HK1124681A1 - Apparatus for encoding and decoding audio signal and method thereof - Google Patents
Apparatus for encoding and decoding audio signal and method thereofInfo
- Publication number
- HK1124681A1 HK1124681A1 HK09101883.9A HK09101883A HK1124681A1 HK 1124681 A1 HK1124681 A1 HK 1124681A1 HK 09101883 A HK09101883 A HK 09101883A HK 1124681 A1 HK1124681 A1 HK 1124681A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- encoding
- audio signal
- decoding audio
- decoding
- signal
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71211905P | 2005-08-30 | 2005-08-30 | |
US71920205P | 2005-09-22 | 2005-09-22 | |
US72300705P | 2005-10-04 | 2005-10-04 | |
US72622805P | 2005-10-14 | 2005-10-14 | |
US72922505P | 2005-10-24 | 2005-10-24 | |
KR1020060004062A KR20070037974A (ko) | 2005-10-04 | 2006-01-13 | 멀티채널 오디오 코딩에서 효과적인 넌가이디드 코딩의파라미터 밴드 수 비트스트림 구성방법 |
KR1020060004051A KR20070025903A (ko) | 2005-08-30 | 2006-01-13 | 멀티채널 오디오 코딩에서 효과적인 레지듀얼 신호의파라미터 밴드 수 비트스트림 구성방법 |
KR20060004065 | 2006-01-13 | ||
KR1020060004057A KR20070025904A (ko) | 2005-08-30 | 2006-01-13 | 멀티채널 오디오 코딩에서 효과적인 lfe채널의 파라미터밴드 수 비트스트림 구성방법 |
KR1020060004063A KR20070025907A (ko) | 2005-08-30 | 2006-01-13 | 멀티채널 오디오 코딩에서 효과적인 채널변환모듈에 적용될파라미터 밴드 수 비트스트림 구성방법 |
KR20060004055 | 2006-01-13 | ||
US76253606P | 2006-01-27 | 2006-01-27 | |
PCT/KR2006/003420 WO2007027050A1 (en) | 2005-08-30 | 2006-08-30 | Apparatus for encoding and decoding audio signal and method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1124681A1 true HK1124681A1 (en) | 2009-07-17 |
Family
ID=39805382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK09101883.9A HK1124681A1 (en) | 2005-08-30 | 2009-02-27 | Apparatus for encoding and decoding audio signal and method thereof |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5319846B2 (xx) |
KR (8) | KR100891687B1 (xx) |
HK (1) | HK1124681A1 (xx) |
MX (1) | MX2008002713A (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015009040A1 (ko) * | 2013-07-15 | 2015-01-22 | 한국전자통신연구원 | 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법 |
KR101536855B1 (ko) * | 2014-01-23 | 2015-07-14 | 재단법인 다차원 스마트 아이티 융합시스템 연구단 | 레지듀얼 코딩을 이용하는 인코딩 장치 및 방법 |
ES2956344T3 (es) | 2015-08-25 | 2023-12-19 | Dolby Laboratories Licensing Corp | Descodificador de audio y procedimiento de descodificación |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9000338A (nl) | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
SG49883A1 (en) | 1991-01-08 | 1998-06-15 | Dolby Lab Licensing Corp | Encoder/decoder for multidimensional sound fields |
DE4209544A1 (de) | 1992-03-24 | 1993-09-30 | Inst Rundfunktechnik Gmbh | Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale |
US5481643A (en) | 1993-03-18 | 1996-01-02 | U.S. Philips Corporation | Transmitter, receiver and record carrier for transmitting/receiving at least a first and a second signal component |
EP0827312A3 (de) | 1996-08-22 | 2003-10-01 | Marconi Communications GmbH | Verfahren zur Änderung der Konfiguration von Datenpaketen |
US6016473A (en) | 1998-04-07 | 2000-01-18 | Dolby; Ray M. | Low bit-rate spatial coding method and system |
WO2003085644A1 (en) | 2002-04-11 | 2003-10-16 | Matsushita Electric Industrial Co., Ltd. | Encoding device and decoding device |
BR0305555A (pt) | 2002-07-16 | 2004-09-28 | Koninkl Philips Electronics Nv | Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado |
SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
SE0401408D0 (sv) * | 2004-06-02 | 2004-06-02 | Astrazeneca Ab | Diameter measuring device |
-
2006
- 2006-08-30 KR KR1020087006790A patent/KR100891687B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006785A patent/KR100891685B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006786A patent/KR100880644B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006788A patent/KR100880646B1/ko active IP Right Grant
- 2006-08-30 MX MX2008002713A patent/MX2008002713A/es active IP Right Grant
- 2006-08-30 KR KR1020087021422A patent/KR101165641B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006787A patent/KR100880645B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006789A patent/KR100891686B1/ko active IP Right Grant
- 2006-08-30 KR KR1020087006921A patent/KR100880647B1/ko active IP Right Grant
-
2009
- 2009-02-27 HK HK09101883.9A patent/HK1124681A1/xx not_active IP Right Cessation
-
2013
- 2013-01-11 JP JP2013003356A patent/JP5319846B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR101165641B1 (ko) | 2012-07-17 |
JP5319846B2 (ja) | 2013-10-16 |
KR100880644B1 (ko) | 2009-01-30 |
KR100891685B1 (ko) | 2009-04-03 |
KR100891686B1 (ko) | 2009-04-03 |
KR20080049747A (ko) | 2008-06-04 |
JP2013137546A (ja) | 2013-07-11 |
KR100880647B1 (ko) | 2009-01-30 |
KR100891687B1 (ko) | 2009-04-03 |
MX2008002713A (es) | 2008-03-18 |
KR20080037111A (ko) | 2008-04-29 |
KR20080086551A (ko) | 2008-09-25 |
KR100880645B1 (ko) | 2009-01-30 |
KR100880646B1 (ko) | 2009-01-30 |
KR20080037105A (ko) | 2008-04-29 |
KR20080049746A (ko) | 2008-06-04 |
KR20080036232A (ko) | 2008-04-25 |
KR20080037106A (ko) | 2008-04-29 |
KR20080037104A (ko) | 2008-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20180825 |