DE60304520D1 - Kodier-/Dekodiervorrichtung und -verfahren - Google Patents
Kodier-/Dekodiervorrichtung und -verfahrenInfo
- Publication number
- DE60304520D1 DE60304520D1 DE60304520T DE60304520T DE60304520D1 DE 60304520 D1 DE60304520 D1 DE 60304520D1 DE 60304520 T DE60304520 T DE 60304520T DE 60304520 T DE60304520 T DE 60304520T DE 60304520 D1 DE60304520 D1 DE 60304520D1
- Authority
- DE
- Germany
- Prior art keywords
- coding
- decoding apparatus
- decoding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002244021 | 2002-08-23 | ||
JP2002244021A JP4022111B2 (ja) | 2002-08-23 | 2002-08-23 | 信号符号化装置及び信号符号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60304520D1 true DE60304520D1 (de) | 2006-05-24 |
DE60304520T2 DE60304520T2 (de) | 2006-11-23 |
Family
ID=31185241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60304520T Expired - Lifetime DE60304520T2 (de) | 2002-08-23 | 2003-08-22 | Kodier-/Dekodiervorrichtung und -verfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US7363231B2 (de) |
EP (1) | EP1391880B1 (de) |
JP (1) | JP4022111B2 (de) |
CN (1) | CN100346577C (de) |
DE (1) | DE60304520T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7457415B2 (en) | 1998-08-20 | 2008-11-25 | Akikaze Technologies, Llc | Secure information distribution system utilizing information segment scrambling |
WO2005020210A2 (en) * | 2003-08-26 | 2005-03-03 | Sarnoff Corporation | Method and apparatus for adaptive variable bit rate audio encoding |
US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
EP1851866B1 (de) * | 2005-02-23 | 2011-08-17 | Telefonaktiebolaget LM Ericsson (publ) | Adaptive bitzuweisung für die mehrkanal-audiokodierung |
US8032368B2 (en) | 2005-07-11 | 2011-10-04 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding |
BRPI0719886A2 (pt) | 2006-10-10 | 2014-05-06 | Qualcomm Inc | Método e equipamento para codificação e decodificação de sinais de áudio |
CA2672165C (en) * | 2006-12-12 | 2014-07-29 | Ralf Geiger | Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
US8279889B2 (en) * | 2007-01-04 | 2012-10-02 | Qualcomm Incorporated | Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate |
WO2009136872A1 (en) * | 2008-05-07 | 2009-11-12 | Agency For Science, Technology And Research | Method and device for encoding an audio signal, method and device for generating encoded audio data and method and device for determining a bit-rate of an encoded audio signal |
CN109150375A (zh) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | 一种编码方法、无线设备和芯片 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5166686A (en) * | 1989-06-30 | 1992-11-24 | Nec Corporation | Variable length block coding with changing characteristics of input samples |
JPH0398318A (ja) * | 1989-09-11 | 1991-04-23 | Fujitsu Ltd | 音声符号化方式 |
JPH0970041A (ja) | 1995-08-30 | 1997-03-11 | Kokusai Denshin Denwa Co Ltd <Kdd> | 可変ビットレート符号化装置 |
WO1999010719A1 (en) * | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
US6263312B1 (en) * | 1997-10-03 | 2001-07-17 | Alaris, Inc. | Audio compression and decompression employing subband decomposition of residual signal and distortion reduction |
KR100294893B1 (ko) * | 1999-03-09 | 2001-07-12 | 윤종용 | 개선된 dc 억압 능력을 갖는 rll 코드 생성 방법 과 생성된 rll 코드 변복조 방법 |
KR100565046B1 (ko) * | 1999-04-21 | 2006-03-30 | 삼성전자주식회사 | 개선된 dc 억압 능력을 갖는 rll 코드 배치 방법, 변복조 방법 및 복조 장치 |
US6496794B1 (en) * | 1999-11-22 | 2002-12-17 | Motorola, Inc. | Method and apparatus for seamless multi-rate speech coding |
-
2002
- 2002-08-23 JP JP2002244021A patent/JP4022111B2/ja not_active Expired - Fee Related
-
2003
- 2003-08-22 DE DE60304520T patent/DE60304520T2/de not_active Expired - Lifetime
- 2003-08-22 EP EP03255243A patent/EP1391880B1/de not_active Expired - Fee Related
- 2003-08-25 US US10/646,752 patent/US7363231B2/en not_active Expired - Fee Related
- 2003-08-25 CN CNB031558704A patent/CN100346577C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1391880B1 (de) | 2006-04-12 |
JP4022111B2 (ja) | 2007-12-12 |
EP1391880A3 (de) | 2004-12-15 |
CN100346577C (zh) | 2007-10-31 |
DE60304520T2 (de) | 2006-11-23 |
US7363231B2 (en) | 2008-04-22 |
EP1391880A2 (de) | 2004-02-25 |
CN1489292A (zh) | 2004-04-14 |
JP2004088255A (ja) | 2004-03-18 |
US20040098267A1 (en) | 2004-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |