HK1080979B - 用於低比特率音頻編碼應用高效可標度參數立體聲編碼 - Google Patents
用於低比特率音頻編碼應用高效可標度參數立體聲編碼Info
- Publication number
- HK1080979B HK1080979B HK06100060.9A HK06100060A HK1080979B HK 1080979 B HK1080979 B HK 1080979B HK 06100060 A HK06100060 A HK 06100060A HK 1080979 B HK1080979 B HK 1080979B
- Authority
- HK
- Hong Kong
- Prior art keywords
- stereo
- coding
- efficient
- parametric stereo
- low bitrate
- Prior art date
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- 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
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0102481A SE0102481D0 (sv) | 2001-07-10 | 2001-07-10 | Parametric stereo coding for low bitrate applications |
SE0200796A SE0200796D0 (sv) | 2002-03-15 | 2002-03-15 | Parametic Stereo Coding for Low Bitrate Applications |
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1080979A1 HK1080979A1 (en) | 2006-05-04 |
HK1080979B true HK1080979B (zh) | 2010-09-17 |
Family
ID=27354735
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK04105508A HK1062624A1 (en) | 2001-07-10 | 2004-07-27 | Efficient and scalable parametric stereo coding for low bitrate applications. |
HK06100060.9A HK1080979B (zh) | 2001-07-10 | 2006-01-04 | 用於低比特率音頻編碼應用高效可標度參數立體聲編碼 |
HK17105908.1A HK1232335A1 (zh) | 2001-07-10 | 2006-01-04 | 參數立體聲音頻解碼 |
HK06100113.6A HK1080207B (zh) | 2001-07-10 | 2006-01-04 | 接收機和用於對參數立體聲編碼的比特流進行解碼的方法 |
HK06100114.5A HK1080208B (zh) | 2001-07-10 | 2006-01-04 | 用於低比特率音頻編碼應用的高效可標度參數立體聲編碼 |
HK06100111.8A HK1080206B (zh) | 2001-07-10 | 2006-01-04 | 用於偽立體聲音頻合成的回聲尾部自適應控製 |
HK09101999.0A HK1124950A1 (en) | 2001-07-10 | 2009-03-03 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
HK10112237.6A HK1145728A1 (en) | 2001-07-10 | 2010-12-30 | Method and receiver for high frequency reconstruction of a stereo audio signal |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK04105508A HK1062624A1 (en) | 2001-07-10 | 2004-07-27 | Efficient and scalable parametric stereo coding for low bitrate applications. |
Family Applications After (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK17105908.1A HK1232335A1 (zh) | 2001-07-10 | 2006-01-04 | 參數立體聲音頻解碼 |
HK06100113.6A HK1080207B (zh) | 2001-07-10 | 2006-01-04 | 接收機和用於對參數立體聲編碼的比特流進行解碼的方法 |
HK06100114.5A HK1080208B (zh) | 2001-07-10 | 2006-01-04 | 用於低比特率音頻編碼應用的高效可標度參數立體聲編碼 |
HK06100111.8A HK1080206B (zh) | 2001-07-10 | 2006-01-04 | 用於偽立體聲音頻合成的回聲尾部自適應控製 |
HK09101999.0A HK1124950A1 (en) | 2001-07-10 | 2009-03-03 | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
HK10112237.6A HK1145728A1 (en) | 2001-07-10 | 2010-12-30 | Method and receiver for high frequency reconstruction of a stereo audio signal |
Country Status (13)
Country | Link |
---|---|
US (8) | US7382886B2 (zh) |
EP (9) | EP1600945B1 (zh) |
JP (10) | JP4447317B2 (zh) |
KR (5) | KR100679376B1 (zh) |
CN (7) | CN1758338B (zh) |
AT (5) | ATE499675T1 (zh) |
DE (5) | DE60206390T2 (zh) |
DK (4) | DK3104367T3 (zh) |
ES (7) | ES2714153T3 (zh) |
HK (8) | HK1062624A1 (zh) |
PT (2) | PT1603118T (zh) |
SE (1) | SE0202159D0 (zh) |
WO (1) | WO2003007656A1 (zh) |
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