CN107257526B - Sound effect processing equipment - Google Patents
Sound effect processing equipment Download PDFInfo
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- CN107257526B CN107257526B CN201710500837.6A CN201710500837A CN107257526B CN 107257526 B CN107257526 B CN 107257526B CN 201710500837 A CN201710500837 A CN 201710500837A CN 107257526 B CN107257526 B CN 107257526B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The invention discloses sound effect processing equipment which comprises an audio input interface, a microprocessor, a DSP sound effect processor and an audio output interface, wherein the audio input interface is connected with the microprocessor; the output end of the audio input interface is connected with the audio input end of the microprocessor, the coding output end of the microprocessor is connected with the audio input end of the DSP sound effect processor, and the audio output end of the DSP sound effect processor is connected with the decoding input end of the microprocessor; the audio output end of the microprocessor is connected with the input end of the audio output interface; the audio input interface is used for connecting an audio input device; the microprocessor is used for coding the audio signal input by the audio input interface and decoding the audio signal processed by the DSP sound effect processor; the DSP sound effect processor is used for adding a tuning effect to the audio signal coded by the microprocessor; the audio output interface is used for connecting an audio output device. The invention can add the tuning effect to the input audio signal, and has simple circuit structure, small size and portability.
Description
Technical Field
The invention relates to the technical field of signal processing, in particular to sound effect processing equipment.
Background
With the increasing living standard of people, more and more people begin to pay attention to cultural entertainment life, and the factors of the handling of various singing programs, the live webcast, the live cell phone production, the popularization of the karaoke and the like all promote people to have higher requirements on the sound effect processing equipment.
Traditional audio equipment mainly comprises decoding mainboard, simulation tone plate, effector etc. and decoding mainboard is used for realizing that the audio frequency is decoded, and the simulation tone plate is used for realizing reverberation and adjusts each frequency channel audio signal's gain value, and the effector is mainly used for adding the sound effect. However, the decoding main board of the traditional sound effect equipment has a complex structure, and the difficulty in realizing the sectional audio adjustment is high, and the complexity of the analog sound adjusting board is increased along with the sectional adjustment of the audio. Therefore, the traditional sound effect equipment is often large in size and complex in equipment connection, and has high professional requirements on operators.
Disclosure of Invention
The invention aims to provide sound effect processing equipment which can add a tuning effect to an input audio signal, has a simple circuit structure, and is small and portable.
In order to achieve the above object, an embodiment of the present invention provides a sound effect processing device, which includes an audio input interface, a microprocessor, a DSP sound effect processor, and an audio output interface;
the output end of the audio input interface is connected with the audio input end of the microprocessor, the coding output end of the microprocessor is connected with the audio input end of the DSP sound effect processor, and the audio output end of the DSP sound effect processor is connected with the decoding input end of the microprocessor; the audio output end of the microprocessor is connected with the input end of the audio output interface;
the audio input interface is used for connecting an audio input device;
the microprocessor is used for coding the audio signal input by the audio input interface and decoding the audio signal processed by the DSP sound effect processor;
the DSP sound effect processor is used for adding a tuning effect to the audio signal coded by the microprocessor;
the audio output interface is used for connecting an audio output device.
In an alternative embodiment, the DSP sound effect processor includes a reverberation tuning unit, an electric tone unit, and a pitch change tuning unit;
the audio input end of the DSP audio processor is respectively connected with the input end of the reverberation tuning unit, the input end of the electric tone unit and the input end of the sound changing tuning unit, and the audio output end of the DSP audio processor is respectively connected with the output end of the reverberation tuning unit, the output end of the electric tone unit and the output end of the sound changing tuning unit;
the reverberation tuning unit is used for adding a reverberation tuning effect to the audio signal coded by the microprocessor;
the electric tone unit is used for adding an electric tone tuning effect to the audio signal coded by the microprocessor;
and the pitch-changing tuning unit is used for adding a pitch-changing tuning effect to the audio signal coded by the microprocessor.
In an optional implementation manner, the DSP sound effect processor further includes a scene sound effect tuning unit and a storage unit;
the storage unit is connected with the scene sound effect tuning unit; the input end of the scene sound effect tuning unit is connected with the audio input end of the DSP sound effect processor, and the output end of the scene sound effect tuning unit is connected with the audio output end of the DSP sound effect processor;
the storage unit is used for storing multiple preset scene sound effect parameters, and the scene sound effect tuning unit is used for adding a selected scene tuning effect for the audio signal coded by the microprocessor according to the scene sound effect parameters.
In an alternative embodiment, the apparatus further comprises an audio input device; the audio input device is connected with the input end of the audio input interface, and the audio input device is an audio connecting wire or a headset.
In an alternative embodiment, the apparatus further comprises an audio input device; the audio input device is connected with the input end of the audio input interface and comprises an audio connecting line and a headset.
In an alternative embodiment, the apparatus further comprises an audio output device; the audio output device is connected with the output end of the audio output interface, and the audio output device is a power amplifier or an earphone.
In an alternative embodiment, the apparatus further comprises a power management unit; and the output end of the power management unit is respectively connected with the power end of the microprocessor and the power end of the DSP sound effect processor.
In an alternative embodiment, the apparatus further comprises a display module; the display module is connected with the display output end of the microprocessor, and the display module is used for displaying the current tuning effect of the equipment.
In an alternative embodiment, the device further comprises a key module; the key module is connected with a tuning control end of the microprocessor, and the key module is used for inputting tuning information.
In an optional embodiment, the device further comprises a wireless communication module; the wireless communication module is connected with the tuning control end of the microprocessor and used for inputting tuning information in a wireless transmission mode.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: the embodiment of the invention provides sound effect processing equipment, which comprises an audio input interface, a microprocessor, a DSP sound effect processor and an audio output interface; the output end of the audio input interface is connected with the audio input end of the microprocessor, the coding output end of the microprocessor is connected with the audio input end of the DSP sound effect processor, and the audio output end of the DSP sound effect processor is connected with the decoding input end of the microprocessor; the audio output end of the microprocessor is connected with the input end of the audio output interface; the audio input interface is used for connecting an audio input device; the microprocessor is used for coding the audio signal input by the audio input interface and decoding the audio signal processed by the DSP sound effect processor; the DSP sound effect processor is used for adding a tuning effect to the audio signal coded by the microprocessor; the audio output interface is used for connecting an audio output device. The embodiment of the invention codes the audio signal input through the audio input interface, adds a tuning effect to the coded audio signal through the DSP sound effect processor, and finally decodes the audio signal through the microprocessor and outputs the audio signal through the audio output interface; the combination of the coding and decoding functions of the microprocessor and the internal algorithm of the DSP sound effect processor is utilized to add the tuning effect to the audio signal, the circuit structure is simplified, and the volume of the product is greatly reduced due to the high integration degree of the DSP sound effect processor.
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In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an audio processing device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a sound processing apparatus according to an embodiment of the present invention. The embodiment of the invention provides sound effect processing equipment, which comprises an audio input interface 1, a microprocessor 2, a DSP (digital signal processor) sound effect processor 3 and an audio output interface 4;
the output end of the audio input interface 1 is connected with the audio input end of the microprocessor 2, the coding output end of the microprocessor 2 is connected with the audio input end of the DSP sound effect processor 3, and the audio output end of the DSP sound effect processor 3 is connected with the decoding input end of the microprocessor 2; the audio output end of the microprocessor 2 is connected with the input end of the audio output interface 4;
the audio input interface 1 is used for connecting an audio input device 5;
the microprocessor 2 is used for coding the audio signal input by the audio input interface 1 and decoding the audio signal processed by the DSP sound effect processor 3;
the DSP sound effect processor 3 is used for adding a tuning effect to the audio signal coded by the microprocessor 2;
the audio output interface 4 is used for connecting an audio output device 6.
The working principle of the embodiment of the invention is as follows: inputting an audio signal A to be processed through the audio input interface 1, and coding the audio signal A input through the audio input interface 1 by the microprocessor 2 to obtain an audio signal C; the DSP sound effect processor 3 adds a tuning effect to the audio signal C to obtain an audio signal D; the microprocessor 2 decodes the audio signal D processed by the sound effect processor to obtain an audio signal E and outputs the audio signal E through the audio output port; through above structure, through microprocessor 2 with traditional simulation tuning is replaced to DSP audio processor 3's combination tuning, has simplified the circuit.
In an alternative embodiment, the DSP effect processor 3 includes a reverberation tuning unit 31, an electric tone unit 32, and a variant tuning unit 33;
the audio input end of the DSP audio processor 3 is connected to the input end of the reverberation tuning unit 31, the input end of the electric tone unit 32, and the input end of the pitch-changing tuning unit 33, and the audio output end of the DSP audio processor 3 is connected to the output end of the reverberation tuning unit 31, the output end of the electric tone unit 32, and the output end of the pitch-changing tuning unit 33;
the reverberation tuning unit 31 is configured to add a reverberation tuning effect to the audio signal encoded by the microprocessor 2;
the electric tone unit 32 is used for adding an electric tone tuning effect to the audio signal coded by the microprocessor 2;
the inflexion tuning unit 33 is used for adding an inflexion tuning effect to the audio signal encoded by the microprocessor 2.
When the microprocessor 2 receives a user instruction input by a user, a corresponding control instruction is generated according to the user instruction, the DSP sound effect processor 3 is controlled to transmit the received audio signal to a related tuning unit for processing, and the tuning effect selected by the user is added to the input audio signal. It should be understood that the reverberation tuning unit 31, the electric tone tuning unit 32 and the inflexion tuning unit 33 in the present invention each store corresponding sound effect parameters, and each tuning unit can add corresponding tuning effects to the input audio signals according to the sound effect parameters. In the embodiment of the present invention, the reverberation tuning effect, the electric tone tuning effect, and the inflexion tuning effect are common knowledge of those skilled in the art, for example, the inflexion tuning effect may be an effect of changing male tone into female tone, changing female tone into male tone, and combining tone, and will not be described in detail here.
In an optional embodiment, the DSP sound effect processor 3 further includes a scene sound effect tuning unit 34 and a storage unit 35;
the storage unit 35 is connected with the scene sound effect tuning unit 34; the input end of the scene sound effect tuning unit 34 is connected with the audio input end of the DSP sound effect processor 3, and the output end of the scene sound effect tuning unit 34 is connected with the audio output end of the DSP sound effect processor 3;
the storage unit 35 is used for storing multiple preset scene sound effect parameters, and the scene sound effect tuning unit 34 is used for adding a selected scene tuning effect to the audio signal encoded by the microprocessor 2 according to the scene sound effect parameters.
The multi-scene sound effect adjusting effect is preset in the storage unit 35, when a user selects a certain scene sound effect adjusting effect, the scene sound effect tuning unit 34 sends a relevant instruction to tune parameters of the selected scene sound effect adjusting effect, and scene sound effects are added for input audio signals according to the parameters, so that scene sound effect selection is enriched, and user experience is optimized.
In an alternative embodiment, the apparatus further comprises audio input means 5; the audio input device 5 is connected with the input end of the audio input interface 1, and the audio input device 5 is an audio connecting wire or a headset.
In another alternative embodiment, the apparatus further comprises an audio input device 5; the audio input device 5 is connected with the input end of the audio input interface 1, and the audio input device 5 comprises an audio connecting line and a headset.
The audio connecting line is used for connecting equipment such as a mobile phone or a computer to input audio signals, and the headset is used for inputting human voice.
In an alternative embodiment, the apparatus further comprises audio output means 6; the audio output device 6 is connected with the output end of the audio output interface 4, and the audio output device 6 is a power amplifier or an earphone. The audio output device 6 is used for playing the audio signal added with the tuning effect.
In an alternative embodiment, the device further comprises a power management module 7; the output end of the power management module 7 is respectively connected with the power end of the microprocessor 2 and the power end of the DSP sound effect processor 3. The power management module 7 is used for controlling the microprocessor 2 and the DSP sound effect processor 3 to be powered on and powered off.
In an alternative embodiment, the device further comprises a display module 8; the display module 8 is connected with the display output end of the microprocessor 2, and the display module 8 is used for displaying the current tuning effect of the equipment.
In an alternative embodiment, the device further comprises a key module 9; the key module 9 is connected with the tuning control end of the microprocessor 2, and the key module 9 is used for inputting tuning information. When a user instruction related to the tuning effect is input through the key module 9, the microprocessor 2 generates a corresponding control instruction according to the user instruction, and controls the DSP sound effect processor 3 to add the tuning effect selected by the user for the received audio signal.
In an alternative embodiment, the device further comprises a wireless communication module 10; the wireless communication module 10 is connected with the tuning control end of the microprocessor 2, and the wireless communication module 10 is used for inputting tuning information in a wireless transmission mode. It should be understood that the wireless communication module 10 may be, but is not limited to, an infrared communication module, a bluetooth communication module, or a wifi communication module.
Compared with the prior art, the embodiment of the invention has the beneficial effects that: the embodiment of the invention provides sound effect processing equipment, which comprises an audio input interface, a microprocessor, a DSP sound effect processor and an audio output interface; the output end of the audio input interface is connected with the audio input end of the microprocessor, the coding output end of the microprocessor is connected with the audio input end of the DSP sound effect processor, and the audio output end of the DSP sound effect processor is connected with the decoding input end of the microprocessor; the audio output end of the microprocessor is connected with the input end of the audio output interface; the audio input interface is used for connecting an audio input device; the microprocessor is used for coding the audio signal input by the audio input interface and decoding the audio signal processed by the DSP sound effect processor; the DSP sound effect processor is used for adding a tuning effect to the audio signal coded by the microprocessor; the audio output interface is used for connecting an audio output device. The embodiment of the invention codes the audio signal input through the audio input interface, adds a tuning effect to the coded audio signal through the DSP sound effect processor, and finally decodes the audio signal through the microprocessor and outputs the audio signal through the audio output interface; the combination of the coding and decoding functions of the microprocessor and the internal algorithm of the DSP sound effect processor is utilized to add the tuning effect to the audio signal, the circuit structure is simplified, and the volume of the product is greatly reduced due to the high integration degree of the DSP sound effect processor.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A sound effect processing device is characterized by comprising an audio input interface, a microprocessor, a DSP sound effect processor and an audio output interface;
the output end of the audio input interface is connected with the audio input end of the microprocessor, the coding output end of the microprocessor is connected with the audio input end of the DSP sound effect processor, and the audio output end of the DSP sound effect processor is connected with the decoding input end of the microprocessor; the audio output end of the microprocessor is connected with the input end of the audio output interface;
the audio input interface is used for connecting an audio input device;
the microprocessor is used for coding the audio signal input by the audio input interface and decoding the audio signal processed by the DSP sound effect processor;
the DSP sound effect processor is used for adding a tuning effect to the audio signal coded by the microprocessor;
the audio output interface is used for connecting an audio output device;
the DSP sound effect processor comprises a reverberation tuning unit, an electric tone unit and a tone-changing tuning unit;
the audio input end of the DSP audio processor is respectively connected with the input end of the reverberation tuning unit, the input end of the electric tone unit and the input end of the sound changing tuning unit, and the audio output end of the DSP audio processor is respectively connected with the output end of the reverberation tuning unit, the output end of the electric tone unit and the output end of the sound changing tuning unit;
the reverberation tuning unit is used for adding a reverberation tuning effect to the audio signal coded by the microprocessor;
the electric tone unit is used for adding an electric tone tuning effect to the audio signal coded by the microprocessor;
and the pitch-changing tuning unit is used for adding a pitch-changing tuning effect to the audio signal coded by the microprocessor.
2. The sound effect processing device according to claim 1, wherein the DSP sound effect processor further comprises a scene sound tuning unit and a storage unit;
the storage unit is connected with the scene sound effect tuning unit; the input end of the scene sound effect tuning unit is connected with the audio input end of the DSP sound effect processor, and the output end of the scene sound effect tuning unit is connected with the audio output end of the DSP sound effect processor;
the storage unit is used for storing multiple preset scene sound effect parameters, and the scene sound effect tuning unit is used for adding a selected scene tuning effect for the audio signal coded by the microprocessor according to the scene sound effect parameters.
3. The sound effect processing device of claim 1 wherein the device further comprises audio input means; the audio input device is connected with the input end of the audio input interface, and the audio input device is an audio connecting wire or a headset.
4. The sound effect processing device of claim 1 wherein the device further comprises audio input means; the audio input device is connected with the input end of the audio input interface and comprises an audio connecting line and a headset.
5. The sound effect processing device of claim 1 wherein the device further comprises audio output means; the audio output device is connected with the output end of the audio output interface, and the audio output device is a power amplifier or an earphone.
6. The sound effect processing device of claim 1 wherein the device further comprises a power management unit; and the output end of the power management unit is respectively connected with the power end of the microprocessor and the power end of the DSP sound effect processor.
7. The sound effect processing device of claim 1 wherein the device further comprises a display module; the display module is connected with the display output end of the microprocessor, and the display module is used for displaying the current tuning effect of the equipment.
8. The sound effect processing device of claim 1 wherein the device further comprises a key module; the key module is connected with a tuning control end of the microprocessor, and the key module is used for inputting tuning information.
9. The sound effect processing device of claim 1 wherein the device further comprises a wireless communication module; the wireless communication module is connected with the tuning control end of the microprocessor and used for inputting tuning information in a wireless transmission mode.
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| CN205071293U (en) * | 2015-09-28 | 2016-03-02 | 深圳市迈悦科技有限公司 | Digital signal processor and audio frequency processing apparatus |
| CN205336531U (en) * | 2016-01-13 | 2016-06-22 | 朱泽忠 | Electrified sub - volume control's wireless microphone |
| CN205862785U (en) * | 2016-07-13 | 2017-01-04 | 徐文波 | Effect device |
| CN205754740U (en) * | 2016-07-13 | 2016-11-30 | 徐文波 | Mike |
| CN206003491U (en) * | 2016-09-05 | 2017-03-08 | 徐文波 | K sings equipment |
| CN206061112U (en) * | 2016-09-30 | 2017-03-29 | 徐文波 | Audio frequency specially good effect material playing device |
| CN206136192U (en) * | 2016-11-10 | 2017-04-26 | 广州市艾涛普电子有限公司 | Wireless microphone device |
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| US5621800A (en) * | 1994-11-01 | 1997-04-15 | Motorola, Inc. | Integrated circuit that performs multiple communication tasks |
| US5652903A (en) * | 1994-11-01 | 1997-07-29 | Motorola, Inc. | DSP co-processor for use on an integrated circuit that performs multiple communication tasks |
| US9484041B1 (en) * | 2014-09-25 | 2016-11-01 | Hm Electronics, Inc. | Backward-compatible communication system components |
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