TW200746871A - Decoding of binaural audio signals - Google Patents
Decoding of binaural audio signalsInfo
- Publication number
- TW200746871A TW200746871A TW096100650A TW96100650A TW200746871A TW 200746871 A TW200746871 A TW 200746871A TW 096100650 A TW096100650 A TW 096100650A TW 96100650 A TW96100650 A TW 96100650A TW 200746871 A TW200746871 A TW 200746871A
- Authority
- TW
- Taiwan
- Prior art keywords
- audio signal
- binaural audio
- signal
- binaural
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
- 238000000034 method Methods 0.000 abstract 2
- 230000002194 synthesizing effect Effects 0.000 abstract 2
- 238000004590 computer program Methods 0.000 abstract 1
Classifications
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- 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
- G10L19/02—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
-
- 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
- G10L19/02—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
-
- 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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- 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
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
- H04S3/004—For headphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/FI2006/050014 WO2007080211A1 (en) | 2006-01-09 | 2006-01-09 | Decoding of binaural audio signals |
US11/334,041 US20070160218A1 (en) | 2006-01-09 | 2006-01-17 | Decoding of binaural audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200746871A true TW200746871A (en) | 2007-12-16 |
Family
ID=38232768
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096100650A TW200746871A (en) | 2006-01-09 | 2007-01-08 | Decoding of binaural audio signals |
TW096100651A TW200727729A (en) | 2006-01-09 | 2007-01-08 | Decoding of binaural audio signals |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096100651A TW200727729A (en) | 2006-01-09 | 2007-01-08 | Decoding of binaural audio signals |
Country Status (11)
Country | Link |
---|---|
US (2) | US20070160218A1 (zh) |
EP (2) | EP1971979A4 (zh) |
JP (2) | JP2009522895A (zh) |
KR (3) | KR20110002491A (zh) |
CN (2) | CN101366081A (zh) |
AU (2) | AU2007204332A1 (zh) |
BR (2) | BRPI0706306A2 (zh) |
CA (2) | CA2635024A1 (zh) |
RU (2) | RU2409911C2 (zh) |
TW (2) | TW200746871A (zh) |
WO (1) | WO2007080211A1 (zh) |
Cited By (4)
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US8645145B2 (en) | 2010-01-12 | 2014-02-04 | Fraunhoffer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries |
US8655669B2 (en) | 2009-10-20 | 2014-02-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
US8798776B2 (en) | 2008-09-30 | 2014-08-05 | Dolby International Ab | Transcoding of audio metadata |
TWI459379B (zh) * | 2008-07-11 | 2014-11-01 | Fraunhofer Ges Forschung | 用以把音訊樣本編碼和解碼之音訊編碼器與解碼器 |
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DE602007004451D1 (de) | 2006-02-21 | 2010-03-11 | Koninkl Philips Electronics Nv | Audiokodierung und audiodekodierung |
KR100773560B1 (ko) * | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
KR100754220B1 (ko) * | 2006-03-07 | 2007-09-03 | 삼성전자주식회사 | Mpeg 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법 |
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- 2007-01-04 EP EP07700270A patent/EP1971979A4/en not_active Withdrawn
- 2007-01-04 CN CNA2007800020893A patent/CN101366321A/zh active Pending
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- 2007-01-04 BR BRPI0722425-7A2A patent/BRPI0722425A2/pt not_active IP Right Cessation
- 2007-01-08 TW TW096100650A patent/TW200746871A/zh unknown
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TWI459379B (zh) * | 2008-07-11 | 2014-11-01 | Fraunhofer Ges Forschung | 用以把音訊樣本編碼和解碼之音訊編碼器與解碼器 |
US8892449B2 (en) | 2008-07-11 | 2014-11-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder/decoder with switching between first and second encoders/decoders using first and second framing rules |
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TWI457913B (zh) * | 2008-09-30 | 2014-10-21 | Dolby Int Ab | 音訊元資料的轉碼方法與系統、及其電腦程式產品與機上盒 |
US8655669B2 (en) | 2009-10-20 | 2014-02-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
US9978380B2 (en) | 2009-10-20 | 2018-05-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
US11443752B2 (en) | 2009-10-20 | 2022-09-13 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
US8645145B2 (en) | 2010-01-12 | 2014-02-04 | Fraunhoffer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries |
US8682681B2 (en) | 2010-01-12 | 2014-03-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
US8898068B2 (en) | 2010-01-12 | 2014-11-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value |
TWI466103B (zh) * | 2010-01-12 | 2014-12-21 | Fraunhofer Ges Forschung | 音訊編碼器、音訊解碼器、用以將音訊資訊編碼的方法、用以將音訊資訊解碼的方法、及使用描述有效狀態值及區間邊界二者之散列表的電腦程式 |
TWI476757B (zh) * | 2010-01-12 | 2015-03-11 | Fraunhofer Ges Forschung | 音訊編碼器、音訊解碼器、用以將音訊資訊編碼及解碼之方法、以及基於先前解碼頻譜值之範數來獲取脈絡子區值之電腦程式 |
US9633664B2 (en) | 2010-01-12 | 2017-04-25 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a modification of a number representation of a numeric previous context value |
Also Published As
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RU2409911C2 (ru) | 2011-01-20 |
RU2409912C9 (ru) | 2011-06-10 |
US20070160219A1 (en) | 2007-07-12 |
KR20080074223A (ko) | 2008-08-12 |
JP2009522895A (ja) | 2009-06-11 |
CA2635985A1 (en) | 2007-07-19 |
AU2007204333A1 (en) | 2007-07-19 |
KR20080078882A (ko) | 2008-08-28 |
US20070160218A1 (en) | 2007-07-12 |
CN101366321A (zh) | 2009-02-11 |
RU2008127062A (ru) | 2010-02-20 |
EP1971979A4 (en) | 2011-12-28 |
AU2007204332A1 (en) | 2007-07-19 |
TW200727729A (en) | 2007-07-16 |
CN101366081A (zh) | 2009-02-11 |
RU2008126699A (ru) | 2010-02-20 |
RU2409912C2 (ru) | 2011-01-20 |
EP1972180A4 (en) | 2011-06-29 |
BRPI0706306A2 (pt) | 2011-03-22 |
EP1971979A1 (en) | 2008-09-24 |
CA2635024A1 (en) | 2007-07-19 |
EP1972180A1 (en) | 2008-09-24 |
JP2009522894A (ja) | 2009-06-11 |
KR20110002491A (ko) | 2011-01-07 |
WO2007080211A1 (en) | 2007-07-19 |
BRPI0722425A2 (pt) | 2014-10-29 |
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