PL376889A1 - Kodowanie sygnału audio - Google Patents
Kodowanie sygnału audioInfo
- Publication number
- PL376889A1 PL376889A1 PL376889A PL37688903A PL376889A1 PL 376889 A1 PL376889 A1 PL 376889A1 PL 376889 A PL376889 A PL 376889A PL 37688903 A PL37688903 A PL 37688903A PL 376889 A1 PL376889 A1 PL 376889A1
- Authority
- PL
- Poland
- Prior art keywords
- parameters
- values
- audio signal
- calculated
- coding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
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
- G10L19/008—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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02080008 | 2002-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL376889A1 true PL376889A1 (pl) | 2006-01-09 |
Family
ID=32338131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL376889A PL376889A1 (pl) | 2002-11-28 | 2003-10-31 | Kodowanie sygnału audio |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7644001B2 (pl) |
| EP (1) | EP1568010B1 (pl) |
| JP (1) | JP4538324B2 (pl) |
| KR (1) | KR101008520B1 (pl) |
| CN (1) | CN100405460C (pl) |
| AT (1) | ATE348386T1 (pl) |
| AU (1) | AU2003274520A1 (pl) |
| BR (1) | BR0316611A (pl) |
| DE (1) | DE60310449T2 (pl) |
| ES (1) | ES2278192T3 (pl) |
| MX (1) | MXPA05005602A (pl) |
| PL (1) | PL376889A1 (pl) |
| RU (1) | RU2005120236A (pl) |
| WO (1) | WO2004049309A1 (pl) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583805B2 (en) | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| US20070168183A1 (en) * | 2004-02-17 | 2007-07-19 | Koninklijke Philips Electronics, N.V. | Audio distribution system, an audio encoder, an audio decoder and methods of operation therefore |
| US7805313B2 (en) | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| US8204261B2 (en) | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| JP5017121B2 (ja) | 2004-11-30 | 2012-09-05 | アギア システムズ インコーポレーテッド | 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化 |
| KR101215868B1 (ko) | 2004-11-30 | 2012-12-31 | 에이저 시스템즈 엘엘시 | 오디오 채널들을 인코딩 및 디코딩하는 방법, 및 오디오 채널들을 인코딩 및 디코딩하는 장치 |
| US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
| KR100707177B1 (ko) * | 2005-01-19 | 2007-04-13 | 삼성전자주식회사 | 디지털 신호 부호화/복호화 방법 및 장치 |
| CN101283254B (zh) * | 2005-10-05 | 2011-07-06 | Lg电子株式会社 | 信号处理的方法和装置以及编码和解码方法及其装置 |
| US8194754B2 (en) | 2005-10-13 | 2012-06-05 | Lg Electronics Inc. | Method for processing a signal and apparatus for processing a signal |
| AU2006300103B2 (en) * | 2005-10-13 | 2010-09-09 | Lg Electronics Inc. | Method and apparatus for signal processing |
| ATE456261T1 (de) | 2006-02-21 | 2010-02-15 | Koninkl Philips Electronics Nv | Audiokodierung und audiodekodierung |
| KR101346771B1 (ko) * | 2007-08-16 | 2013-12-31 | 삼성전자주식회사 | 심리 음향 모델에 따른 마스킹 값보다 작은 정현파 신호를효율적으로 인코딩하는 방법 및 장치, 그리고 인코딩된오디오 신호를 디코딩하는 방법 및 장치 |
| KR101646650B1 (ko) * | 2009-10-15 | 2016-08-08 | 오렌지 | 최적의 저-스루풋 파라메트릭 코딩/디코딩 |
| TWI759223B (zh) * | 2010-12-03 | 2022-03-21 | 美商杜比實驗室特許公司 | 音頻解碼裝置、音頻解碼方法及音頻編碼方法 |
| EP2477418B1 (en) * | 2011-01-12 | 2014-06-04 | Nxp B.V. | Signal processing method |
| KR20140117931A (ko) | 2013-03-27 | 2014-10-08 | 삼성전자주식회사 | 오디오 디코딩 장치 및 방법 |
| US10692030B2 (en) * | 2016-06-21 | 2020-06-23 | Amazon Technologies, Inc. | Process visualization platform |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2982637B2 (ja) * | 1995-01-17 | 1999-11-29 | 日本電気株式会社 | スペクトルパラメータを用いた音声信号伝送システムおよびそれに用いられる音声パラメータ符号化装置および復号化装置 |
| DE19742655C2 (de) * | 1997-09-26 | 1999-08-05 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals |
| US6029126A (en) * | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
| US6539357B1 (en) | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| JP2003502703A (ja) * | 1999-06-18 | 2003-01-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善された符号器を有するオーディオ伝送システム |
| US6446037B1 (en) * | 1999-08-09 | 2002-09-03 | Dolby Laboratories Licensing Corporation | Scalable coding method for high quality audio |
| CN1647156B (zh) | 2002-04-22 | 2010-05-26 | 皇家飞利浦电子股份有限公司 | 参数编码方法、参数编码器、用于提供音频信号的设备、解码方法、解码器、用于提供解码后的多声道音频信号的设备 |
-
2003
- 2003-10-31 DE DE60310449T patent/DE60310449T2/de not_active Expired - Lifetime
- 2003-10-31 KR KR1020057009408A patent/KR101008520B1/ko not_active IP Right Cessation
- 2003-10-31 RU RU2005120236/09A patent/RU2005120236A/ru not_active Application Discontinuation
- 2003-10-31 ES ES03758495T patent/ES2278192T3/es not_active Expired - Lifetime
- 2003-10-31 MX MXPA05005602A patent/MXPA05005602A/es active IP Right Grant
- 2003-10-31 CN CNB2003801043447A patent/CN100405460C/zh not_active Expired - Fee Related
- 2003-10-31 US US10/536,243 patent/US7644001B2/en not_active Expired - Fee Related
- 2003-10-31 AT AT03758495T patent/ATE348386T1/de not_active IP Right Cessation
- 2003-10-31 AU AU2003274520A patent/AU2003274520A1/en not_active Abandoned
- 2003-10-31 JP JP2004554728A patent/JP4538324B2/ja not_active Expired - Fee Related
- 2003-10-31 PL PL376889A patent/PL376889A1/pl not_active Application Discontinuation
- 2003-10-31 BR BR0316611-2A patent/BR0316611A/pt not_active IP Right Cessation
- 2003-10-31 WO PCT/IB2003/004864 patent/WO2004049309A1/en active IP Right Grant
- 2003-10-31 EP EP03758495A patent/EP1568010B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006508384A (ja) | 2006-03-09 |
| CN1717577A (zh) | 2006-01-04 |
| DE60310449D1 (de) | 2007-01-25 |
| RU2005120236A (ru) | 2006-01-20 |
| DE60310449T2 (de) | 2007-10-31 |
| KR20050086809A (ko) | 2005-08-30 |
| ES2278192T3 (es) | 2007-08-01 |
| MXPA05005602A (es) | 2005-07-26 |
| ATE348386T1 (de) | 2007-01-15 |
| BR0316611A (pt) | 2005-10-11 |
| JP4538324B2 (ja) | 2010-09-08 |
| EP1568010A1 (en) | 2005-08-31 |
| AU2003274520A1 (en) | 2004-06-18 |
| WO2004049309A1 (en) | 2004-06-10 |
| US20060147047A1 (en) | 2006-07-06 |
| US7644001B2 (en) | 2010-01-05 |
| EP1568010B1 (en) | 2006-12-13 |
| KR101008520B1 (ko) | 2011-01-14 |
| CN100405460C (zh) | 2008-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REFS | Decisions on refusal to grant patents (taken after the publication of the particulars of the applications) |