HK1126579A1 - System and method of encoding/decoding multi-channel audio signals - Google Patents
System and method of encoding/decoding multi-channel audio signalsInfo
- Publication number
- HK1126579A1 HK1126579A1 HK09105358.6A HK09105358A HK1126579A1 HK 1126579 A1 HK1126579 A1 HK 1126579A1 HK 09105358 A HK09105358 A HK 09105358A HK 1126579 A1 HK1126579 A1 HK 1126579A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- encoding
- audio signals
- channel audio
- decoding multi
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- 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
-
- 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
- H03M7/3002—Conversion to or from differential modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/80—Wired systems using carrier waves having frequencies in two or more frequency bands, e.g. medium wave and VHF
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HK11103919.9A HK1149841A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
HK11103918.0A HK1149840A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73804905P | 2005-11-21 | 2005-11-21 | |
KR1020060030249A KR100888474B1 (ko) | 2005-11-21 | 2006-04-03 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
PCT/KR2006/004890 WO2007058510A1 (en) | 2005-11-21 | 2006-11-21 | System, medium, and method of encoding/decoding multi-channel audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1126579A1 true HK1126579A1 (en) | 2009-09-04 |
Family
ID=38048857
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11103919.9A HK1149841A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
HK09105358.6A HK1126579A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
HK11103918.0A HK1149840A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11103919.9A HK1149841A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11103918.0A HK1149840A1 (en) | 2005-11-21 | 2009-06-16 | System and method of encoding/decoding multi-channel audio signals |
Country Status (7)
Country | Link |
---|---|
US (4) | US8280538B2 (xx) |
EP (3) | EP1958334A4 (xx) |
JP (3) | JP5442995B2 (xx) |
KR (1) | KR100888474B1 (xx) |
CN (8) | CN102779515B (xx) |
HK (3) | HK1149841A1 (xx) |
WO (1) | WO2007058510A1 (xx) |
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EP1735778A1 (en) | 2004-04-05 | 2006-12-27 | Koninklijke Philips Electronics N.V. | Stereo coding and decoding methods and apparatuses thereof |
US20060009985A1 (en) * | 2004-06-16 | 2006-01-12 | Samsung Electronics Co., Ltd. | Multi-channel audio system |
KR100561434B1 (ko) * | 2004-06-16 | 2006-03-17 | 삼성전자주식회사 | 멀티 채널 오디오 시스템 |
KR101283525B1 (ko) * | 2004-07-14 | 2013-07-15 | 돌비 인터네셔널 에이비 | 오디오 채널 변환 |
US7283634B2 (en) * | 2004-08-31 | 2007-10-16 | Dts, Inc. | Method of mixing audio channels using correlated outputs |
WO2007055463A1 (en) * | 2005-08-30 | 2007-05-18 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
JP5108772B2 (ja) * | 2005-09-14 | 2012-12-26 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
KR100888474B1 (ko) | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
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