CN1179056A - Accompaniment device capable of transmitting signals to color TV sets - Google Patents
Accompaniment device capable of transmitting signals to color TV sets Download PDFInfo
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Abstract
A karaoke apparatus able to transmit signals to colour TV set is composed of control unit for decompressing the compressed digital music data in memory, sound synthesizing unit for decompressing it, analog unit for outputting special stereo signals, and antenna for transmitting the lyrics of audio-video signals to colour TV set in wireless mode.
Description
The present invention relates to a kind of vocal accompany unit that can transmit to color television set, particularly relate to a kind of have be wireless mode emission video and sound synchronously at color television set, FM receiver and earphone etc. three road simultaneously and dynamically help singing speech, music and song and give the vocal accompany unit of special sound effect.
Just known in the past slightly with this case related before case, as shown in Figure 1, 2, 3, be No. 229006 " wireless kara-ok with automatic accompaniment microphone " novel patent case of Announcement Number, its circuit structure, liquid crystal display device structure or the TV lyrics show the calcspar of film titler structure, and it mainly is made up of standard instrument numeral interface source of sound module (MIDI) 110, CPU 120, storage device 130, control panel 140 and radio microphone module 150; Standard instrument numeral interface source of sound module 110 in order to reception musical instrument numeral interface signal, and produces stereo according to the tone color generation method of waveform table; CPU 120 is in order to receive extraneous input to carry out every controlled function; Storage device 130 comprises two read-only memorys 131,132, for being fixed in microphone inside, and one is replaceable, in order to deposit digitized song data after compression; Then linking between CPU 120 and storage device 130 has a static RAM (SRAM) 125, takes out music data through decompression in order to deposit in by CPU 120 in storage device 130; Control panel 140 comprises input keyboard 141 and function shows LCD 142, input keyboard is in order to by the requesting song pattern of external world control microphone and broadcast every function of song pattern, be connected the LCD 142 that can receive and keep on the microphone via CPU 120 controls to show every functional status of microphone; Radio microphone module 150 in order to receiving the outside sound signal, and the music signal mixing sound that produces with it with by standard instrument numeral interface source of sound module 110, and then is exported behind the modulating signal that mixing sound is crossed.
Wherein, CPU 120 receives the instruction of extraneous input, takes out music data and be sent to standard instrument numeral interface source of sound module 110 from storage device 130, uses the generation music signal, this music signal is sent to radio microphone module 150 then, again through modulation output; And, be connected with a film titler expansion slot 111 between standard instrument numeral interface source of sound module 110 and the CPU 120, film titler expansion slot 111 exports the detachable liquid crystal captions of one " external " TV lyrics demonstration film titler 112 or " external " display 113 to for the lyrics and the synchrodata that will deposit in the song; The TV lyrics show that film titler 112 comprises: CPU 1121, font read-only memory 1122, random access memory 1123, lyrics display buffer 1124, data type schema read-only memory 1125, dot matrix to TV signal conversion module 1126, video to hyperfrequency or extremely high frequency are changed module 1127, video signal joint line 1128 and audio mixing circuit 1129; Detachable liquid crystal captions display 113 comprises: CPU 1131, font read-only memory 1132, lcd control circuit 1133, random access memory 1134 and LCD 1135; And this TV lyrics show that the signal output/input interface of film titler 112 comprises: video signal input interface 114, two stereo input interfaces 115 and 116, video signal output interface 117, a stereo audio signal output interface 118, in addition, its vision signal also can be launched by antenna 119 via conversion module 1127 again, the function of this data type schema read-only memory 1125 is when film titler does not have input video source, exports built-in static pattern image.
But still there is following shortcoming in above-mentioned case on actual techniques:
(1) " main demand target ":
Its technical characterictic focuses on: adopt " external " TV lyrics to show film titler 112 or " external " detachable liquid crystal captions display 113 modes; The effect that is presented when causing manipulating, be that the coryphaeus need hold on the other hand, the another hand holds this liquid crystal captions display 113 or the TV lyrics show film titler 112, such as its in advertisement catalog picture announcement, other people that participate in vocal accompaniment then need be centered around coryphaeus's all sides in back and face film titler or display, the monochrome of watching attentively on this display or the film titler shows, the display screen of the monochromatic lyrics that nothing is beated according to cadence synchronization, carry out so-called wireless karaoke accompaniment, still want external backguy eventually, watch liquid crystal display screen (no matter liquid crystal display screen or computer terminals display screen) and rely on the attainments of vocal accompaniment person oneself script tune rhythm in the song, the absorbed screen mould rope of seeing is learnt vocal accompaniment, does what what was happy have? That is, it has the vocal accompaniment lyrics of beating according to the tune beat and changes when not having karaoke accompaniment on the general television set, after just having sung one section lyrics, whole section lyrics directly disappear immediately or stop motionless, the speed that the lyrics can't be followed music rhythm is with the different colours demonstration of beating, can't guide the beginner to accompany unsophisticatedly, though can not with existing television karaoke vocal accompaniment analogy mutually, this can still be difficult to obtain consumer's approval after going on the market and be obtained proof by this product.
(2) go the same way with regard to the emission with regard to modulating FM and TV TV:
Except above-mentioned external display or the film titler of still needing causes reaching the purpose of " wireless " karaoke accompaniment; Moreover, as disclosed in Figure 2, its demand " adds " video and exports video and sound through video mix circuit 1128 and " adding " stereo audio behind audio mixing circuit 1129, though vision signal can directly be launched by single antenna 119 through this video to hyperfrequency or extremely high frequency conversion module 1127 again, also can only distinctly carry out the wireless transmission of video or audio frequency separately, still fail to solve synchronously frequency modulation (FM) modulation signal and television set (TV) amplitude-modulated signal are launched the problem that interferes with each other with release via single antenna simultaneously.
(3) with regard to the music technology:
Only adopt the waveform table composite music, the stereo audio and the common karaoke accompaniment level that can only present similar CD Quality, can't cooperate different occasion adjustment to represent vast range effect, be to belong to general computer MIDI (Musical Instrument Digital Interface) music effect.
(4) with regard to the video treatment circuit:
It there is no built-in full color video treatment circuit, must external video control circuit.
(5) with regard to lyrics treatment circuit:
There is no lyrics treatment circuit, must external film titler.
So, must connect a detachable liquid crystal captions display 113 or TV lyrics demonstration film titler 112 again by film titler expansion slot 111; To show the lyrics by " external " display or film titler, more by learning in its detail specifications, this film titler itself be provided with the video signal input interface 114 of " for external input ", two stereophonic signal input interfaces 115 with 116 and the video signal output interface 117 of " for external backguy output " and a stereophonic signal output interface 118 with outputting video signal and audio signal; But, to form the structure except the inside of undeclared this film titler expansion slot 111, the obvious aforementioned lyrics can't directly be presented on the film titler; And for example described in its detail specifications:, so just draw a snake and add feet to it though its vision signal can be launched by antenna 119 via conversion module (specifically not disclosing internal structure) 1127 again.So this circuit structure feature does not partly possess the value on the industry as yet, the implementation phase of one-tenth not yet.
(6) with regard to the requesting songs mode:
Can only import song number, program request is difficult for.
Main purpose of the present invention, for provide a kind of can be with video, dynamically help singing speech, vocal accompaniment music and user's signals such as sound, wireless synchronization is transmitted to color television set, color television set receives aforementioned signal, just can on screen, show the video of being sent here and dynamically help the singing speech, and export vocal accompaniment music and user's song from loudspeaker.
Another object of the present invention is played the on-the-spot stereo sound with three-dimensional auditory perception of listening to former sound reproducing for a kind of can showing just like coming to personally is provided.
Another purpose of the present invention is for providing a kind of vocal accompany unit that is wireless transmission video and sound synchronously at color television set, FM receiver and earphone etc. three road simultaneously and dynamically helps singing speech, music and song that has concurrently.
A further object of the present invention, for provide a kind of have concurrently can be with video, dynamically help singing speech, vocal accompaniment music and user's signals such as sound, via wireless transmission or wired color television set, FM receiver exported to.
A kind of " can launch acoustic image and lyrics vocal accompany unit to color television set " of the present invention comprises substantially: a control unit, a memory cell, a sound synthesis unit, an analogue unit, a color television set transmitter unit etc.; Wherein, this control unit is for being compressed in the output that decompressed of thousands of digital music data in the memory cell, and through a sound synthesis processor in this sound synthesis unit, the running that combines of one audio digital signal processor and a digital audio effect device, just can listen to former sound reproducing and obtain the vast three-dimensional sound signal that has the shock auditory perception concurrently of range just like coming to the scene of performance personally by the analogue unit output device, and aforementioned signal just can directly be speak picture and dynamically help the singing speech to color television set of wireless transmission by this color television set transmitter unit and antenna again, and is presented at and carries out unruled card on the color television set and draw OK vocal accompaniment; Again, analogue unit also can connect a frequency modulation wireless transmitting unit, a headphone unit respectively, come transmitting of combination tv frequency and modulation frequency by an emission smear mixer again, reach simultaneously and to be wireless transmission or wired output video and sound synchronously at color television set, FM receiver and earphone etc. three road and to reach and dynamically help singing speech, music and song by single antenna emission output; For initiative with video with sound signal, dynamically help the singing speech to combine to be the vocal accompany unit that wireless synchronization is transmitted on the color television set and is shown.
This device more predeterminable one wired jack base is for connecting one " multi-functional wired accessory power outlet ", aforesaid sockets includes a connected to microphone socket for external other wired microphone, an external earphone socket for external stereophone and microphone, an external electric supply socket for external direct current power supply, makes the convenience of fully obtaining in the use; And, comprise that more another is same for being plugged in aforesaid wired one " multi-functional wired output plug " that connects in the seat of hole, it comprises: external video (Video) plug, two external stereo (Audio R, L) plug, make in some mush area or inconvenience emission part can directly be plugged on the color television set with wire cable, also have identical multi-functional; Provide a kind of and be three the road and have the vocal accompany unit that does not have emission and wired output acoustic image and dynamically help the singing speech synchronously concurrently by the above-mentioned member of respectively forming.
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is the circuit block diagram of No. 229006 " wireless kara-ok with automatic accompaniment microphone " novel patent case of Announcement Number.
Fig. 2 is the calcspar of this external LCD among Fig. 1.
Fig. 3 is the calcspar that the TV lyrics that connected on this external film titler expansion slot among Fig. 1 show film titler.
Fig. 4 is the detailed circuit calcspar of a preferred embodiment of the present invention.
Fig. 5 is the block schematic diagram that in the foregoing description music data is compressed, decompresses.
Fig. 6 makes music data produce the handling process block schematic diagram of special sound effect in the foregoing description.
Fig. 7 goes up to produce the colored block schematic diagram that dynamically helps the singing speech among the art embodiment.
Fig. 8 is the schematic diagram of multi-functional wired accessory power outlet that this device connected in the foregoing description.
Fig. 9 is the schematic diagram of multi-functional wired output plug that this device connected in the foregoing description.
Figure 10 is the flow chart of various keypress functions and operation program in the foregoing description.
As shown in Figure 4, it is a kind of device that can transmit to color television set provided by the present invention, the circuit block diagram of this preferred embodiment, it comprises: a control unit 1, a memory cell 2, a sound synthesis unit 3, an analogue unit 4, a color television set transmitter unit 5, a headphone unit 6, a frequency modulation wireless transmitting unit 7, a smear transmitter unit 8 etc.; Wherein:
Display 12 (or color television set screen) then shows the power of selected song number and every function, comprises:
(1) the bent numeral number but display dot is sung;
(2) can make display dot sing bent is the font of " woman " property, " man " property, the chorus of " men and women " property;
(3) can show adjustment " volume " font, and show 1～16 numeral;
(4) can show the font of adjusting music " speed ", and show 1～127 numeral;
(5) can show the font of " reservation " song, and glimmer and stop to preengage the numeral number of song for three times automatically;
(6) can show music " scale " font (KEY), and show the numeral of height;
(7) can show the bracket () of " dance music ", for input dance music number;
(8) in the time of can showing object for appreciation " bingo " by the mess code that transfers to gradually fast at a slow speed.
Please cooperate shown in Figure 5ly, memory cell 2 is selected the music data that decompresses by CPU 10 for selective device 11; Form by read-only memory (ROM) 20 and 21 of random asccess memory (RAM); Please cooperate and consult shown in Figure 5ly, for the digital music data that store a large amount of compressed mistakes, can change expansion arbitrarily according to needs in the read-only memory 20, the music card that promptly is commonly called as is extractable and changeable read-only memory 20 music cards; The temporary music data of 21 confessions of this random access memory through decompressing.
Wherein, each first vocal accompaniment music comprises three parts in this read-only memory (ROM) 20, master data, vocal accompaniment music data, character code.The vocal accompaniment music data is in order to synthetic vocal accompaniment music, character code is in order to produce lyrics captions, the rhythm of master data record song, bat, tone, man sing, the woman sings, classify, bent name, wrirte music, write words, original singer person, song number, system's control formula is form synchronous playing music, video and lyrics captions according to this.
Because general digital compression technology is mainly used digital 0/1 permutation and combination characteristic, use algorithm that numerical data 0/1 is reconfigured, and reach the data compression purpose.This compression and decompression technology is based upon on statistics and the mathematics algorithm basis.General algorithm just deposits in the read-only memory (ROM) 20 after only adopting GM (universal MIDI) the form MIDI archives compression that meets MPEG-1, and its stored digital music data bulk is less; Compress mode of the present invention is then more played the speciality amount according to music theory and is tentatively compressed, promptly, the present invention is for earlier after the music theory fundamental characteristics carries out the note compression, carry out general algorithm compression again, so compression method of the present invention has improved two to four times than the compress technique of the method that generally only performs calculations, the read-only memory of same capacity, the present invention can deposit two to four times digital music data more, and therefore the memory unit cost of every first song reduces.
When desire was play the vocal accompaniment music, the digital music data that read read-only memory 20 by CPU 10 coupled system control programs and decompression program are decompressed to be deposited in the random access memory 21 behind the original form of recovery.
Sound synthesis unit 3 is for receiving aforementioned digital music signal and producing stereo sound; Be interconnected to constitute with 32 of digital audio effect memories (DSER:Digital Sound Effect RAM IC) by sound synthesis processor 30 (SSP:Sound Synthesizer Processor IC), audio digital signal processor (SDSP:Sound Digital Signal Processor IC) 31 in regular turn; Make CPU 10 after the order that receives extraneous input, just from memory cell 2, take out music data and be sent to sound synthesis processor 30, more audio digital signal can be kept in delay and be taken out by digital audio effect memory 32, promote the synthetic quantity of sound effect, allow and synthesize the musical sound that broadcasts, have as coming to personally and play on-the-spot sensation of listening to former sound reproducing.
As shown in Figure 6, when the present invention adopts numbering ES5506 waveform table (Wave table) sound synthesis processor 30 and numbering ES5510 audio digital signal processor 31 (SDSPIC), its maximum expansion capacity can reach 128 megabit units, have 128 kinds of musical instrument sounds, 32 separate track can produce 32 kinds of musical instrument sounds at most simultaneously.When the user imports song number, CPU 10 and system control program convert song number to the address of read-only memory 20, export to sound synthesis processor 30 after reading its music data, sound synthesis processor 30 becomes aforementioned digital music data conversion the address of waveform table and reads the musical instrument sound wave from musical instrument waveform table memory ROM, sound synthesis processor 30 is with the musical instrument waveform that reads, mode with serial exports SDSP IC to, SDSPIC can make sound effect of the present invention attain a yet higher goal, digital music instruments voice data with 30 generations of sound synthesis processor, handle according to the audio that the user requires by SDSP IC, utilize the storage of this digital audio effect memory (RAM IC) 32 to play again, can produce various alternative sounds effects, as trill, echo, after-sound, surround sound can cooperate various different places and sound equipment to be equipped with and produce excellent vocal accompaniment effect.
That is to say that the present invention adopts this audio digital signal processor (SDSP IC) 31 special disposal electronics synthetic video effects, as professional audios such as reverberation (reverberate), trill, sound field, echoes in order to improve electronics composite music tonequality.The sound figure audio is handled palpus delay service time, spectrum analysis, digital filtering, discrete Fourier transform (DFT) and various mathematical operation, especially SDSP IC includes sound wave that floating point calculator can fast computing Simulation of Complex to reach various professional audios, general CPU is not owing to include floating point calculator, so professional audio that can't the Simulation of Complex sound wave.
The sound synthesis processor 30 of sound synthesis unit 3 of the present invention (including the IC that is equivalent to MI DI source of sound wafer), when compiling song, its digital code is divided into two kinds: a kind of be radical-code, a kind of be dance music cohort coding; The song that is MI DI is encoded to according to radicals by which characters are arranged in traditional Chinese dictionaries arrangement four-digit number code, and a galop cohort coding one-bit digital is pressed function key, dance music key and numerical key in regular turn in the operation; Based on aforementioned coded system, this device has the bingo function, this bingo is the interior number of songs character code of cohort of scanning dance music, it is to go to grasp according to cohort that mess code grasps, be that 10 pairs of memory cell of CPU, 2 interior read-only memorys 20 scan fast, the scanning back is according to first song time of delay selected one of inner setting, inside can be set per second and scans hundreds of first songs, when bingo then can scan thousands of first songs 5 seconds, if the read-only memory 20 in the memory cell 2 of the present invention is the memory capacity of 32MEGA, can store first songs up to ten thousand approximately, so after pressing " bingo " key, aforementioned first singing party up to ten thousand becomes random number, be the jumping phenomena of song on LCD 12 or color television set, lose just like dice and to throw on rotating disk generally, it is slack-off gradually to beat fast more earlier, jumps out anyone all prior unexpected song at last.
Sound synthesis processor 30 of the present invention is when coding, other has the third digital code (password), song is categorized as is fit to that the women sings or the male sex sings or men and women's chorus, be to select to be shown in again on LCD 12 or the color television set by the detection control of CPU 10.
Analogue unit 4, wave circuit 41, preamplifier 42 convert digital signal to analog signal after filtration with the digital/analog converter in it 40, exported again via an electronic sound volume control circuit 48, a sound source amplifier 49 then from the music signal of digital/analog converter 40 and synthetic with mixer amplifier 47, and then with the signal that mixing sound is crossed from the singing voice signals of connecting circuits such as microphone 43, microphone amplifier 44 digital talk-back circuits 45, preamplifier 46.
Color television set transmitting station unit 5, comprise in regular turn: a video control microprocessor (VideoControl Micro-processor) 50, one colored video control logic circuit (ASIC) 51, one video buffering area random-access memory 52, one video/font read-only memory 53, a video control program read-only memory 54 that is connected with video control microprocessor 50, and the one video/sound television modulator 55 that connects this colour video control logic circuit 51, one sets up the video/sound frequency multiplier 56 of oscillator 57, one acoustic image is amplified driving radiating circuit 58, and the output of this analogue unit 4 is for being connected to video/sound television modulator 55 again; And this acoustic image is amplified driving radiating circuit 58 and is connected and composed by radio frequency amplifier 581, driver 582 and transmitter 583 etc. in regular turn.
As shown in Figure 7, because of colored video control logic circuit 51 is an ASIC (special requirement integrated circuit) IC, it is made of RGB digital/analog converter and video scanning monitor; Be in conjunction with color digital video treatment technology, especially this video/font read-only memory 53 has removable 32 static image datas and 13777 middle character types, 26 English fonts, 50 Japanese fonts, 24 multi-lingual character types such as Korean font at least in respectively, and use operational manual, all song catalogs to number, and make video, dynamically help singing speech captions demonstration etc. all directly to be finished, video, dynamically help singing speech and vocal accompaniment music to produce synchronously not need external accessory in the circuit inside of this device.
This device lyrics are presented on the color television set picture screen by above-mentioned technical finesse, lyrics color is along with music beat changes, assist the beginner to grasp correct beat and be called " dynamically helping the singing speech ", be to represent pixel on the picture with 24 bit memories, and 24 bit color attributes can be represented 8 bit R (red), G (green), B (indigo plant) three primary colors respectively, 28 powers=256 rank R, G, B analog signal can be produced through digital/analog converter, therefore 2 24 powers=16777216 kind of change color (full-color) can be produced.When system's CPU 10 reads this read-only memory 20, read-only memory 20 includes the beat control code, when detecting this control code, system's CPU 10 just notifies video control microprocessor 50,50 changes of video control microprocessor exist video buffering area 52 to be ready singing lyrics color attribute, through this colour video scanning monitor scanning output, the user just can see that the lyrics are along with music rhythm changes color from the color television set picture.
The integral body of forming by above-mentioned each unit, at last can be by antenna with the sound of above-mentioned video and musical sound and actor and dynamically help the singing speech to be wireless transmission synchronously and be presented on the color television set, and on color television set, carry out unruled card and draw the OK vocal accompaniment.
Aforementioned analogue unit 4 outputs also can connect a headphone unit 6 respectively (in regular turn by a preamplifier 60, one audio amplifier 61 connects and composes with earphone 62), (it is in regular turn by frequency interleaved modulation modulator (FM Modulator) 70 for one frequency modulation wireless transmitting unit 7, frequency modulation frequency multiplier (Frequency multiplier) 72, radio frequency amplifier 73, driver (Driver) 74, transmitter (Transmetter) 75 and the compositions such as an oscillator (OSC) 71 that the frequency modulation frequency multiplier connected, integrate TV and FM signal by the emission smear mixer 80 of a smear transmitter unit 8 again and, reach simultaneously at color television set by single antenna 81 emission outputs, FM receiver and earphone etc. three road is wireless transmission or wired output video and sound (vocal accompaniment music and user's sound) synchronously and dynamically helps the singing speech, music and user's singing voice signals; Be wireless synchronization and be transmitted on the color television set and be presented at vocal accompany unit on the screen for initiative combines video with sound signal.
In order to make aforementioned audio frequency vocal accompaniment music and video imagery signal Synchronization be transmitted to color television set and FM receiver, and shared single antenna uses two interference phenomenons that transmitting antenna is produced to solve, specially design π type emission blender (Combiner) 80 so that after FM radiofrequency signal and TV radiofrequency signal integrate, utilize single antenna 81 to launch.
Shown in Fig. 8,9, this device more predeterminable one wired jack base (figure do not show), this wired jack base are between the special frequency/video amplifier 551 of the output, microphone amplifier 44 and the color television set transmitter unit 5 that are connected analogue unit 4, headphone unit 6; Aforementioned wired jack base is for connecting one " multi-functional wired accessory power outlet 90 ", aforesaid sockets 90 includes at connected to microphone socket 91, external earphone socket 92, the external electric supply socket 93 for external direct current power supply for external three-dimensional earphone and microphone for external other wired microphone, makes the convenience of fully obtaining in the use; And, comprise that more another is same for being plugged in aforesaid wired one " multi-functional wired output plug 94 " that connects in the seat of hole, it comprises: external video (Video) plug 95, two external stereo (Audio R, a L) plug 96,97, make in some mush area or inconvenience emission part (on as hospital, aircraft, under the high-tension electricity, or other has the place of electric field, magnetic field, frequency interferences etc.) variable leading to connect aforementioned wire cable and be plugged into again on the color television set, also enjoy identical functions; Provide a kind of and be three the road and have wireless transmission synchronously concurrently or have an output video, sound (vocal accompaniment music with user song) to reach the vocal accompany unit that dynamically helps the singing speech by the above-mentioned member of respectively forming.
Its operating principle, the present invention puts thousands of various chant musics (comprising the lyrics) compressions then into different categories and is stored in read-only memory 20 (music card), and music card can be substituted renewal.By function selector 11, as long as the user is the numbering of the input program request song of wanting, execution through internally stored program in the CPU 10, computing and analysis, export the address of relevant song, song number also will be presented on the LCD 12 simultaneously, after read-only memory 20 receives the song address, it is temporary to allow song on the relevant address pass out to random access memory 21, random access memory 21 is sent back to CPU 10 to relevant data again, and CPU 10 is delivered to sound synthesis processor 30 with this music signal more various instrument signal are comprehensively become music signal.In addition, for the music that makes broadcast is more interesting to listen to, sound synthesis unit 3 of the present invention, initiative adopts sound synthesis processor 30, audio digital signal processor 31 to be connected to form with digital audio effect device 32; Music signal is through the analysis of this audio digital signal processor 31, mix, after effects such as distortion are handled, be temporary in digital audio effect memory 32, audio digital signal processor 31 is read music signal according to the different time intervals again, can produce such as: postpone sound, the auditory perception of strengthening effect such as echo and placing oneself in the midst of big concert hall seemingly, make and be more suitable for being applied to Karaoke, and convert analog signal to from the digital/analog converter 40 that the digital music signal of sound synthesis unit 3 output then is sent to analogue unit 4, wave circuit 41 filters after filtration, is sent to preamplifier 42 again.
Simultaneously, the person's that uses this device song is by the reception of microphone 43, process microphone amplifier 44 amplifies and is sent to digital talk-back circuit 45, and the power of echo effect can just pass to digital talk-back circuit 45 and finish by selecting control on the selector 11 again after CPU 10 is handled; The signal of handling through echo is sent to preamplifier 46 again, mixes at mixer amplifier 47 places with music signal from preamplifier 42 then, and this mixed signal is passed through electronic sound volume control circuit 48 and regulated volume; Same, the user utilizes selector 11 to control, see through the processing of CPU 10, again control signal is sent to electronic sound volume control circuit 48 and amplified through sound source amplifier 49, signal is transported to color television set transmitter unit 5, headphone unit 6, frequency modulation wireless transmitting unit 7 more simultaneously and launches (can explain in detail after a while) with three kinds of different approaches again.
After the user imports song number, system's CPU 10 coupled system control programs are converted to song number the address of read-only memory 20, read the data and the notice video control microprocessor 50 of read-only memory 20 then, when receiving CPU 10, video control microprocessor 50 sends initial signal, to arrive and read image data in video/font read-only memory (ROM) 53 and deposit video buffering area RAM52 in, the value that system's CPU 10 is relevant with the vocal accompaniment music of #0～#7 in the master data is set this sound synthesis unit 3 and is made to be in and receive music data and be ready for state, #A～#E and lyrics sign indicating number just send these literal codes to video control microprocessor 50 in the master data in this way, video control microprocessor 50 converts Chinese and English ISN to font ROM address by video control program memory ROM54, after video control microprocessor 50 reads font, video control program memory 54 is put picture position according to the lyrics and is converted to video buffering area RAM52 address, and before font deposits video buffering area 52 in, must read earlier in this address display buffer image data with deposit font and carry out the video buffering area 52 of restoring after the OR logical action, font is covered on the picture video, and colored video control logic circuit 51 successive scan image buffering areas 52, image data scanning is read in the colored video control logic circuit 51, through digital-to-analog conversion output R, G, the B image signal, simultaneously colored video control logic 51 produces horizontal-drive signal and colour is that the look signal (is a chrominance signal: burst signal) to cooperate colored image signal modulate emission.
Number about the color television picture (video) of aforementioned built-in storage or music, the lyrics, be to decide according to the capacity of memory, interval as for the color television picture conversion is also determined by the designer, uses this device to need only color television set one start, and colored tableaux manifests immediately.
Wherein, in frequency modulation wireless transmitting unit and color television set transmitter unit, the mixed signal and the image signal of vocal accompaniment music and user's song can send out by following three kinds of approach:
(1), the mixed signal of music and song directly receives preamplifier 60 and audio amplifier 61 is amplified, and then receives earphone 62.
(2), the mixed signal of music and song is received frequency interleaved modulation modulator 70 and is produced the FM FM signal, synthetic 72 li of frequency modulation frequency multipliers with oscillator signal from oscillator 71, amplify and driver 74 promotions and transmitter 75 emissions through radio frequency amplifier 73, synthetic by smear transmitter unit 8 at last with output signal from color television set transmitter unit 5.Owing to used emission smear mixer 80, made FM frequency modulation and TV RF signals can obtain stable and irrelevant launching of disturbing from single antenna 81.
(3), the mixed signal of music and song can be received video/sound television modulator 55 and simultaneously modulated from the image signal of colored video control logic circuit 51, this signal is synthetic with the oscillator signal from oscillator 57 at video/56 li of sound frequency multipliers, amplify and driver 582 promotions and transmitter 583 emissions through radio frequency amplifier 581, synthetic by emission smear mixer 80 at last with signal from FM signal transmitter 75, launch by single antenna 81 again.
As shown in Figure 9, the present invention can obtain following function by button on the selector 11 and function key; And described functional status all can be presented on the color television set screen one by one.
The button of directly controlling has three functions:
(1) reservation song adjustment:
The present invention can like in advance the song code being imported by selector 11 according to the user, is read by CPU 10 scannings and is stored in memory cell 2 broadcast continuously then.
(2) play adjustment continuously:
The present invention can heavily cover by selector 11 input and decide button, read by CPU 10 scannings, via control program with in progress accompanying song repeat playing.
(3) the bingo automatic program locate device is adjusted:
The present invention can import selected songs button at random by selector 11, read by CPU 10 scanning, via control program get 4 yards random numbers as the song code with selected songs at random.
Function key has 11 in conjunction with the function of button:
(1) music rhythm adjustment:
When exporting the vocal accompaniment music, the present invention imports the music rhythm function buttons via selector 11, handle single 10 scannings by central authorities and read this function key code, via after the control program processing this function code being exported to sound synthesis unit 3, sound synthesis processor 30 is received this function code, promptly change music speed, and change the rhythm of composite music output.
(2) volume of music adjustment:
When the present invention exports the vocal accompaniment music, the user adjusts the volume of music function key via selector 11 inputs, read this function key code by CPU 10 scannings, via after the processing of control formula this function key code being exported to sound synthesis unit 3, sound synthesis processor 30 is received this code, set inner composite music volume control value, to change the volume of composite music.
(3) (4) high pitch power, the strong and weak adjustment of bass:
When the present invention exports the vocal accompaniment music, the user adjusts high pitch, the strong and weak function key of bass via selector 11 outputs, read this function key code by CPU 10 scannings, via after the control program processing this function key code being exported to sound synthesis unit 3, sound synthesis processor 30 is received this code, set inner synthetic scale height controlling value,, make the vocal accompaniment music be fit to various different users' tone to change the scale of composite music.
(5) scale is just adjusted:
When the present invention exports the vocal accompaniment music, the user adjusts the high 2 low-function keys of scale via selector 11 inputs, read this function key code by CPU 10 scannings, via after the control program processing this function key code being exported to sound synthesis unit 3, sound synthesis processor 30 is received this code, set inner scale height controlling value,, make the vocal accompaniment music be fit to various different users' tone to change the scale of composite music.
(6) percussion instrument adjustment (tum is strong and weak to be adjusted):
When exporting the vocal accompaniment music, the present invention imports the strong and weak function buttons of tums via selector 11, read this function key code by CPU 10 scannings, via after the processing of control formula this sound synthesis unit function code being exported to 3, sound synthesis processor 30 is received this function code, promptly change the tum gain, and change the tum power of composite music output.
(7) echo is strong and weak adjusts:
User of the present invention can read this function key code by CPU 10 scannings via the strong and weak function key of selector 11 input echoes, handles via control program and sends control signal is adjusted user's sound to digital talk-back circuit 45 echo power.
(8) the trill depth is adjusted:
User of the present invention can read this function key code by CPU 10 scannings via selecting 11 to import single strong and weak function key of quivering, and handles via control program and sends the trill power that control signal is given numerical digit talk-back circuit 45 corrective action person's sound.
(9) musical instrument is selected to adjust:
User of the present invention can be via selector 11 input musical instrument selection function key, read this function key code by CPU 10 scannings, send control signal via the processing of control formula and give sound synthesis unit 3, sound synthesis processor 30 is received this function code, just can select institute to like musical sound arbitrarily by 128 kinds of musical instruments.
(10) dance music is selected to adjust:
The present invention is divided into 10 classes with various vocal accompaniment music type, when vocal accompaniment music burning together with the burning of dance music code, the user is from selector 11 input dance music codes, read this function key code by CPU 10 scannings, handle the dance music of searching code of the same type to memory cell 2 in the back via control program and play.
(11) person's of singing volume adjustment:
User of the present invention can adjust the person's of singing volume functions key via selector 11 inputs, reads this function key code by CPU 10 scannings, sends approach signal via the control program processing and adjusts user's wave volume size for electronic sound volume control circuit 48.
Its control flow is as follows:
Behind electric power starting, as long as color television set one start, colored tableaux shows that immediately system of the present invention is in standby condition, also show each functional status that selector 11 is keyed on the color television set screen synchronously, just wait for that the user imports song number, after input finishes, as long as the user presses " beginning/stop key ", selected song will begin to play, at this moment, if the user wants to stop the broadcast of relevant song, only need press " stop key " just can get back to standby condition.If do not stop song, the user can obtain required function by the various buttons on the selector 11, same, the user can stop the broadcast of song at any time, otherwise song can continue to play up to finishing, at this moment, the holder that the meeting of the CPU 10 in the system goes to store song number detects the song whether reservation is arranged, if having, then system can be according to the priority order played songs of reservation song, all finish up to all songs, get back to standby condition then again.In addition, also have other function keys, as reservation song, broadcast continuously, bingo, dance music options button etc.; With regard to " reservation song " key, this key is to allow the user wanting that the song of singing stores in advance, and by the transfer interval that sets between song, is played to automatically continuously in regular turn to finish; When pressing after " play continuously " reach " initiating key ", system begins broadcast and finishes or ended by the user up to all songs from numbering 1 song; After pressing " bingo " key, aforementioned first song up to ten thousand can become random number, be the jumping phenomena of song on display, just like dice lose throw on rotating disk general, it is slack-off gradually to beat fast more earlier, jump out anyone all prior unexpected song at last, participation player entertaining is robbed sing contest; When pressing " dance music selection " key, the dance music that system can be similar with all is play up to finishing or being ended by the user according to number order.
The present invention with in the past relevant before the case device relatively possess following effect:
(1) applicable object:
The present invention: can have concurrently being synchronously the wireless transmission shadow in colour television set, FM receiver and the earphone etc. three Resemble and sound (vocal accompaniment music with user's sound) reaches the vocal accompany unit of dynamically the beat lyrics, music and song; Also but direct cable connects colour television set with display color video and sound and the song of dynamically beating with wire cable Word with carry out karaoke accompaniment.
Front case: only suitable modulating FM radio or separately liquid crystal or the demonstration of external extension facility.
(2) with regard to music IC deposits the music capacity:
The present invention: adopt the special compression technology, the read-only storage IC of memory cell can be stored in first numbers up to ten thousand The word music data.
Front case: be to adopt common compress technique, the read-only storage IC of memory cell deposits hundreds of first sounds only Happy.
(3) with regard to the music technology:
The present invention: adopt audio digital signal processor (SDSP IC) 31 to handle composite musics and can reach professional sound effect, except basic echo, scale, rhythm adjustment, more can adjust trill, around, to cooperate various places.
Preceding case: only adopt the waveform table composite music, stereo (Stereo) audio and the common computer MI DI Karaoke music accompany level of similar CD Quality can only occur, can't cooperate different occasions to adjust ranges.
(4) with regard to the video treatment circuit:
The present invention: built-in full color video treatment circuit.
Preceding case: there is no built-in full color video treatment circuit, must external video control circuit.
(5): with regard to lyrics treatment circuit:
The present invention: have removable 32 static image datas and 13777 middle character types, 26 English fonts, 50 Japanese fonts, 24 Korean fonts in this video/font read-only memory 53 is minimum ... etc. a plurality of national language character types, and use operational manual, all song catalog numberings, make video, dynamically help the demonstration of singing speech captions directly to finish at internal circuit of the present invention.
Preceding case: must connect a detachable liquid crystal captions display or TV lyrics demonstration film titler again by the film titler expansion slot; Promptly desire to show the lyrics with external captions display or film titler; But, only refer this film titler in its detail specifications and have a video signal output interface and a three-dimensional message output interface confession backguy output video and an audio signal, except the composition structure of undeclared this film titler expansion slot, how also specifically clearly do not disclose the aforementioned lyrics is presented on the film titler, as contained in its specification: its vision signal also can be launched by antenna via conversion module (specifically not disclosing internal structure) again, wouldn't draw a snake and add feet to it? Obvious its do not possess value on the industry as yet.
(6) with regard to dynamically helping the singing speech:
The present invention: can change lyrics color with music beat.
Preceding case: only show that the lyrics can't change lyrics color with rhythm.
(7) with regard to the requesting songs mode:
The present invention adopts multiple program request mode, is fit to various occasions and uses.The selected songs storage: the program request of can in advance the program request sequential storage being got off is convenient.The dance music classification: can be according to the song qualitative classification, the connatural song of requesting tune.Guest fruit selected songs: can count selected songs from turmoil increases contest and interest.Repeat program request: can be with the song repeat playing of liking.
Preceding case: can only import the song number point, sing difficult.
(8) go the same way with regard to the emission with regard to FM and TV:
The present invention uses the radio frequency hybrid circuit that FM signal and TV signal are closed the road after avoided interfering with each other by same antenna emission.
Preceding case: there is not mixer can only act on FM emission or TV emission separately, can be interfering with each other when both launch simultaneously, increase use and go up inconvenience.
In sum, " vocal accompany unit that can transmit to color television set " of the present invention, really can reach the multiple special-effect that computer MI DI music is in the past become emission such as three road synchronous radios that have color television set, FM receiver and earphone concurrently and wired output video and sound (vocal accompaniment music with user song) and dynamically help singing speech or music and song, more listening the hearer has and stays the on-the-spot vocal accompany unit of experiencing.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96120127 CN1179056A (en) | 1996-10-07 | 1996-10-07 | Accompaniment device capable of transmitting signals to color TV sets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96120127 CN1179056A (en) | 1996-10-07 | 1996-10-07 | Accompaniment device capable of transmitting signals to color TV sets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1179056A true CN1179056A (en) | 1998-04-15 |
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ID=5126155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96120127 Pending CN1179056A (en) | 1996-10-07 | 1996-10-07 | Accompaniment device capable of transmitting signals to color TV sets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1179056A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793621A (en) * | 2021-09-22 | 2021-12-14 | Oppo广东移动通信有限公司 | Audio playing method and device, electronic equipment and computer readable storage medium |
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1996
- 1996-10-07 CN CN 96120127 patent/CN1179056A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793621A (en) * | 2021-09-22 | 2021-12-14 | Oppo广东移动通信有限公司 | Audio playing method and device, electronic equipment and computer readable storage medium |
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