HK1127825A1 - 處理音頻信號的方法和裝置 - Google Patents
處理音頻信號的方法和裝置Info
- Publication number
- HK1127825A1 HK1127825A1 HK09105053.4A HK09105053A HK1127825A1 HK 1127825 A1 HK1127825 A1 HK 1127825A1 HK 09105053 A HK09105053 A HK 09105053A HK 1127825 A1 HK1127825 A1 HK 1127825A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- processing
- audio signal
- audio
- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
-
- 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
- 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
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77577506P | 2006-02-23 | 2006-02-23 | |
US79190706P | 2006-04-14 | 2006-04-14 | |
US80382506P | 2006-06-02 | 2006-06-02 | |
KR1020070013364A KR20070087494A (ko) | 2006-02-23 | 2007-02-08 | 멀티 채널 오디오 신호의 디코딩 방법 및 장치 |
PCT/KR2007/000866 WO2007097550A1 (en) | 2006-02-23 | 2007-02-16 | Method and apparatus for processing an audio signal |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1127825A1 true HK1127825A1 (zh) | 2009-10-09 |
Family
ID=39791275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK09105053.4A HK1127825A1 (zh) | 2006-02-23 | 2009-06-05 | 處理音頻信號的方法和裝置 |
Country Status (10)
Country | Link |
---|---|
US (4) | US7991494B2 (zh) |
EP (4) | EP1987594B1 (zh) |
JP (4) | JP5394753B2 (zh) |
KR (5) | KR100904438B1 (zh) |
BR (1) | BRPI0706488A2 (zh) |
CA (1) | CA2636330C (zh) |
ES (4) | ES2391117T3 (zh) |
HK (1) | HK1127825A1 (zh) |
TW (5) | TWI336599B (zh) |
WO (1) | WO2007097549A1 (zh) |
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