TWI330004B - Method and apparatus for encoding/ decoding - Google Patents

Description

1330004 IX. Description of the Invention: [Technical Field] The present invention relates to an encoding method and apparatus, and a decoding method and apparatus. More particularly, it relates to an encoding method and apparatus that can use encoded data and encoded information to generate a bit stream, and a decoding method and apparatus that can receive a bit stream and stream the received bit stream. [Prior Art]

As multimedia processing of audio, video, and document data becomes commonplace, more public attention is drawn to: compressing and encoding audio, video, and file data into a bit stream, and streaming this bit. The technology; and receiving the bit stream, thereby recovering the received bit stream, video, receiving file data, and re-generating audio, video, and file data. The typical dragon coding method will be as follows: Pro-code method, detailed description. π first 'converts the time domain audio signal into a frequency domain signal. According to the human psychology 1 this can be seen by the human ear _ _ _ _ _ _ _ _ _ _ _ _ _ _

w _ The time domain that the human ear feels is "Ji Mi": It will be changed, so the data compression efficiency can be enhanced by changing the number of bits allocated from one frequency band to another. The fresh field sound § the slogan, calculated by a shadowing phenomenon, is used to implement the signal on the audio signal in this frequency domain by using the occlusion threshold = the tender shape is deleted and the state is minimized. The amount of audio money is quantified and quantified, and the ship is used for the size of each frequency threshold. And this quantization noise cannot be pre-determined by the human ear. 1_ and __, shame produces the code 7 solution __ When the material code 7 is decoded, 'this is required by the bit stream array obtained by encoding the obtained bit stream array', which does not include any bit code information that can be used to "decode" this bit, therefore, reduce this code / Decoding efficiency. This traditional code is particularly evident when the data is reduced at a low bit rate and degraded by the quality of the decoded data. SUMMARY OF THE INVENTION The present invention is capable of code efficiency by means of a production and/or apparatus, and a decoding method and apparatus. The gossip stream decodes the required information and enhances the encoding/decoding; the point provides an encoding method. This encoding method includes: editing the data or more! Align the bit array. 4 Shake...codes I and generates the inclusion-stream solution. According to another point of view, a decoding method is provided to receive the bit stream and the bit material and the encoding resource include: fetching data bits from the bit stream The array, which includes the information in the coded second = quasi-bit array, the data bit matrix of the age of the Φ roots is sent to the 3 -point view, providing a type of test stream and the decoded decoding of the Yucheng decoding The land code method includes extracting the flag containing the coded data and the coded information from the bit stream, and displaying the pair of cells. The flag is the source of the stream. If the flag is i, the stream is from the bit stream. The array of aligned bits is decoded and the remaining _bit array is decoded using the information of the age of the packet. According to another aspect of the present invention, an encoding apparatus is provided. The coding device comprises: the code is said to be a purely coded; the Yucheng production element, the shape of the limb is encoded by the dragon to generate a bit stream. The bit stream generating unit includes: a data bit array generating unit, the generated data bit array includes encoded data and encoded information; and an aligned bit array generating unit, wherein the generated aligned bit array comprises One or more 1. According to another aspect of the present invention, there is provided a decoding apparatus that receives a bit stream and decodes the bit stream. The decoding device includes: a data bit matrix touch unit that reads the data bit array including the encoded data and the encoded information from the data stream; the aligned bit array capturing unit extracts the bit stream from the bit stream An array of aligned bit elements comprising one or more ones; and a decoding unit that decodes the array of retrieved data bits using information contained in the array of aligned bit elements. 1330004 This data structure includes the ·3 screen of the picture ^ including the bit structure of the code. Flag, which shows that the alignment bit matrix === array includes - or more, according to the invention and its 'there is a record attached to the drawing, the advantages will be borrowed from the fine example of H The examples are also referred to as examples. The following description of the invention is more inconsistent with the present invention, in which the exemplary embodiment of the invention is invented. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the present invention, a typical embodiment of a caplin invention is a block diagram of an encoding apparatus in accordance with an embodiment of the present invention. Reference! The code $ includes: a coding unit, and a bit stream generation unit m. This bit stream generating unit (10) is a lean bit_generating unit 12, a pair of odd number determining unit i3g, and a pair of hard cells 14G. The operation of the encoding device in the first fiscal description will be described in detail below with reference to Fig. 3. # Reference Fig. 3 In operation 3, the coding unit encodes the data by implementing a predetermined coding operation. Examples of this information include all types of information that can be compressed, such as information, video data, and documentation. In operation 3(8), various encoding methods can be used. Moreover, in operation 3, almost all kinds of data compression methods can be used. For example, in operation 300, an MPEG encoding method around spatial audio coding (SAC) can be used. The bitstream generation unit 110 uses the encoded data and the encoded information to generate a bitstream. In detail, in operation 310, the data bit array generation unit 120 of the bit stream generation unit 110 generates: an array of data bits including the encoded data and the encoded information. Figure 2 illustrates the data structure of a bit stream in accordance with an embodiment of the present invention. Referring to Figure 2, this bit is 1330004 pictures, which is the smallest decoding unit. Each of the plurality of bit arrays is paired with a library bit unit, and preferably a byte group (1 byte = &, warp, including the insertion of the data bit array), then The number of quasi-bit array element units. The summary screen can be called for the pre-boundary positioning operation 32G, the number of aligned bits is determined, according to which, the number of (4) in the data bit array generated in the 3) is determined to determine the alignment bit = !; Ϊ Align the number of bits in the 7^ column. The alignment bit «Ϊ 疋杳 ϊ " " " " " " " " " " " " " " " " " "崎崎: Miscellaneous reading, this _ _ _ _ _ _ _ _ _ _ _ _ _ no no no no no no no no no no no no no no no no no no no no no no no no no no no no no no The number of bits in the data bit array that can be inserted into the configuration element of this picture (for example: picture n or picture n+2) is not the number of bits in the pre-boundary location unit, A minimum 8 greater than 8 in the number of bits in the array. For example, if the data bit array 2 = η is 27, the aligned bit array includes the number of bits corresponding to: the difference between 27 and 32, where 2 pins = *21 8 u small multiple . That is, the alignment sequence includes 5 bits, which are transmitted after the transmission of the poor bit array corresponding to the picture η. Positioning such as: 昼面(4)) is a multiple of the ninth in the pre-boundary, and the aligner is aligned with the Array of Bits, which includes the _: the alignment of the picture in the bit stream Tell him about it. · If the picture of the mosquito-repellent surface array is read, then the error check data identified by ^ 1330004 ^ is matched with the information included in the material, and there is no transmission error between the wealth and the age of the face. occur. For the array transmission period of the 枓 position, refer to the figure ^. If the flag value of this operation is determined to be g in operation 5G5, then the pair of miscellaneous _ does not contain purchase: New, secret--multiple; solid 〇 or, the right t yuan is filled in. Therefore, in operation 504, the transcoding unit 430 only "fetches the i-bit array to the real scale (4). Figure 6 is a multi-channel audio signal encoding/decoding according to an embodiment of the present invention. Square M, 6 SU,ound

MPEG Surround SAC decoding device. The encoding device 6〇0 includes: a downmixing module, which generates a downward mixed space estimate by lowering the multichannel a turtle wave to a stereo_number or a single tone signal. It generates an empty job. This encoding device can be connected to any device, and any technique can mix signals down. Decoding device (10) in multiple spatial information pieces Ϊ 龄 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ S_nd is fresh, and lying to the multi-channel tone says that the invention is not limited to this. In other words, the present invention is also applicable to various forms of signal processing operations other than those described herein. ~ > The figure is a block diagram of a (4) channel audio codec device implemented in accordance with the present invention. In particular, Figure 7 illustrates an MpEG Surr〇und SAC encoding device. Reference, Fig. 7 is a multi-channel audio signal encoding apparatus including a downmixer 7A, a spatial parameter calculator 710, a core encoder 72A, and a parameter encoder 73A. Downmixer 700 downmixes the input multichannel audio signal, thus producing a downmix signal. For example, if a multi-channel audio signal having 5 channels is down-mixed into a stereo signal, the down-mix channel 丨 can be combined by combining the first third and fourth channel components of the multi-channel audio signal. The acquisition, and the downmix channel 2, can be obtained by combining the second, third, and fifth channels of the multichannel audio signal. This space information calculator? 1〇 Calculate spatial information. The (4)f message includes a plurality of spatial parameters 12 1330004 ^Channel level difference (CLD), inter-channel interaction correlation (ICC), and channel_coefficient and reference 720 will be compiled by the downmixer to the downmix signal to The code benefit 730 will be provided by the spatial information calculator 71. The spatial information obtained is compiled into stone horses. The second is a money map for implementing the Essence audio money decoding device according to the present (4). Figure 8 illustrates an mpeg Surround SAC decoding device. ^ Decoding 'This 5 audio signal decoding devices include: Demultiplexer 8G°, Core ", Pirate 810, Parameter Decoder 82〇, and Multichannel Synthesizer 83〇. * Gate_ will: the coded downmix signal from the input bit stream, and the coded duplex. The core decoder _ is decoded by the encoded downmix signal, and the multiplex signal is decoded; and the parameter decoder 820 decodes the encoded spatial information by using the encoded spatial information. The multi-channel synthesizer 83G uses: the down-mix signal obtained by the parameter decoder 82〇 and the down-mix signal obtained by the core decoder 81〇 to generate multi-channel audio 1 cloud 5 mud 0

The present invention can be implemented as a computer readable code written on a computer readable recording medium. The electrically readable readable body can be any type of recording device in which the tissue is stored in an electrically readable manner. Examples of such a computer that can be used for recording media include: R〇M, (3), magnetic tape, floppy disk, optical data age, and remainder (for example, the dragon can transmit the recording medium through the network. : Connected to multiple computer systems on the network, so that the computer readable code can be written to and executed by it in a decentralized manner. It can be imagined by the general knowledge of this technology. For the implementation of the present invention: the program, the code, and the code segment. As explained above, according to the present invention, the information f can be enhanced by inserting various information into the array of aligned bits. The aligned bit array is included in the bitstream for performing a plurality of encoded (quad) bit arrays. Further, in accordance with the present invention, it can be effectively used at a low bit rate by enhancing data encoding efficiency: This allocation is used for data encoding/decoding of the data bandwidth. Although 'the invention has been particularly shown and described with reference to its exemplary embodiments, it is understood by those skilled in the art that it can be used in various forms and details. Change, and The spirit and scope of the present invention as defined by the following claims are intended to be <RTIgt; </ RTI> 1330004. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an encoding apparatus according to an embodiment of the present invention. FIG. 2 illustrates a bit according to an embodiment of the present invention. FIG. 3 is a block diagram showing a decoding apparatus according to an embodiment of the present invention; and FIG. 5 is a flowchart illustrating the implementation according to the present invention. FIG. Example of the decoder Figure 6 is a multi-channel audio signal braiding &amp;

Figure 7 is a block diagram of a multi-channel audio signal according to the present invention; Figure 8 is a block diagram of a multi-channel audio message in accordance with an embodiment of the present invention; [Main component symbol description]

100 coding unit 110 bit stream generation unit 120 data bit array generation unit 130 alignment bit number decision unit 140 alignment bit array generation unit 300, 310, 320, 330, 340 operation 400 data bit array operation unit 410 Alignment Bit Number Determination Unit 420 Alignment Byte Array Extraction Unit 430 Decoding Unit 500, 505, 510, 520, 530, 540 Operation 600 Encoding Device ' 610 Decoding Device 700 Downmixer 710 Spatial Parameter Calculator / Spatial Information Calculator 720 Core Encoder 730 Parameter Encoder 800 Demultiplexer 810 Core Decoder 820 Parameter Decoder 830 Multichannel Synthesizer

Claims (1)

X. Application for Patent Range·· 1. An encoding method comprising the following steps: encoding data; a meta-array comprising encoded data and encoded information; 4 columns of heart alignment, including additional information or encoded data Department ^. 2. For example, the encoding method of the first paragraph of the patent scope, in which the Z position: this and her (10) financial coded data 3 ♦ as claimed in the patent range of the first item, wherein the protection of the watermark mark 5 alignment The bit array includes at least one of the encoded data for copying the guaranteed data and the metadata. 4. The encoding method of claim </ RTI> wherein the $ pair of bit arrays includes error checking data: whether an array or alignment bit array has a transmission error.贝 贝 贝 贝 兀 . . . 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码 解码Information is obtained by a quasi-bit array comprising additional information about the array of data bits 70 or portions of encoded data; and using this information to decode the data bit array. 6. The decoding method of claim 5, wherein the number of bits of the aligned bit array mask is equal to the number of bits in the array of captured data bits and the array of data bits being captured is The difference between the number of allocated bits. 7. The decoding method of claim 6, wherein the number of bits allocated to the array of processed data bits is greater than a multiple of a minimum of 8 of the number of mapped data bits 1330004 阵列 array bits. 8. The decoding method of claim 5, wherein the decoding comprises: combining the extracted data bit array with the captured; and decoding the bit array obtained by combining. Aligned bit array 9. The decoding method of claim 5, wherein the decoding comprises: decoding the extracted data bit array; and obtaining additional information about the encoded data by using the array of 70 And the decoded data bit array is obtained. 10. The decoding method of claim 9, wherein at least one of the encoded watermark + the watermark s suffix and the metadata is obtained by decoding the processed data bit array. 11. The decoding method of claim 10, wherein the aligned array of aligned bits is combined with an array of aligned bits before being processed by the bitstream of the previous picture; The solution bit array obtained by the combination is decoded by at least one of the watermark symbol data and the post metadata. 12_such as the decoding method of claim 5, wherein the captured data bit array is decoded; and according to the error check data of the aligned bit p train, the bit stream is determined These transmission errors have occurred during the transmission. 13. If the method of resolving the scope of claim 12, the judgment includes: ', 16 1330004 ft ^ . |Γ; 'data; and this first obtains this corresponding to the aligned bit The array causes the first error check error check data of the number of bits to be compared with the aligned error check data of the aligned bit array thus obtained, and if the first error check (4) * the error check data does not match, Touch this bit stream transfer class, ^ : This %' transmission error occurred. 14. The decoding method of claim 5, wherein the decoding comprises: decoding downmixed data and spatial information included in the array of age data bits, and using the transcoding to downmix data and scales Ma M News, to produce information. ^a 15. - The method of decoding and decoding the recorded city, which includes the following steps: ^ fetching the data bit array including: encoded data and encoding information from the bit stream; fetching the flag , which indicates whether the aligned bit array includes information from the bit stream; and 'if the flag value is 1', the aligned bit array is retrieved from the bit stream, and the use is included in the fetched pair The information in the quasi-bit array will be used to solve the data. 16. An encoding apparatus, comprising: an encoding unit that encodes a data; and a stream generator that uses the encoded data to generate a bitstream, wherein the bitstream generating unit comprises: a data element array generating unit, Generating an array of bins including encoded data and encoded information; and generating a sequence of n-aligned bit arrays that produce alignment information including additional information about the data bit_ or portions of the encoded data Meta array. 17 1330004. The encoding device of claim 16, further comprising: a storage unit storing the data that is not included in the data bit array, wherein the aligned bit array generating unit uses the stored error In the storage unit = the pre-interference number # of the horse data, shouting the array of the odd elements, for the amount of pre-determined silk. #钱里相18. The encoding device of claim 16 of the patent scope further includes: a storage unit that stores additional information about the bit stream, which is stored in the storage unit and corresponds to Pre-determine the array of fresh bits. 19. The encoding device of claim 16 further comprising: an error checking data of the unit 'storing and a plurality of group bit quantities _, the eight-terminal 1^% array generating unit reads from the storage unit: the corresponding Error checking data for the number of aligned bits in advance. The decoding device for receiving the bit stream and decoding the bit stream comprises a data processing unit, and the array of data bits to be fetched includes the bit stream, the sitting, the code data and the encoding Information; alignment bit f-car retrieval unit, which operates on an array of aligned bits including additional information or a portion of the encoded tributary of the data bit array; and decoding a single TL Transfer this asset to the array decoding. 21. The decoding apparatus of claim 20, wherein the number of reds in the array of bits 7&quot; is equal to a multiple of a minimum of 8 of the number of bits in the array of material bit arrays. Difference. 22. The decoding device of claim 2, wherein the decoding unit comprises: a first decoder that borrows the first decommissioner to borrow information. Obtaining data by decoding the extracted data bit array; and obtaining the amount of the data by decoding the alignment bit % array. 23. The decoding device of claim S22, the additional cargo information includes At least one of the watermarks of the f material. The data and the post-data rights are as claimed in claim 2, wherein the decoding unit is based on: including the extracting information, to determine that the transmission error of the bit stream is a wipe. </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; It will be included in the decoding of the bit matrix; and the multi-channel synthesizer, which combines the scale codes into τ to generate multi-channel audio data. Encoded spatial information group of H-mixed. 26. A computer-readable recording medium having a program recorded thereon. A computer-readable recording medium having a program recorded thereon, and a decoding method of the fifteenth patent. 'It is used to execute the application for the execution of the application 19 27.