CN101836252A - 用于在音频代码化系统中生成增强层的方法和装置 - Google Patents
用于在音频代码化系统中生成增强层的方法和装置 Download PDFInfo
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- CN101836252A CN101836252A CN200880113244A CN200880113244A CN101836252A CN 101836252 A CN101836252 A CN 101836252A CN 200880113244 A CN200880113244 A CN 200880113244A CN 200880113244 A CN200880113244 A CN 200880113244A CN 101836252 A CN101836252 A CN 101836252A
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- 238000000034 method Methods 0.000 title claims description 45
- 230000005236 sound signal Effects 0.000 claims abstract description 130
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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
- G10L19/04—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
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- Computational Linguistics (AREA)
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- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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Abstract
Description
Claims (10)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98256607P | 2007-10-25 | 2007-10-25 | |
US60/982,566 | 2007-10-25 | ||
US12/187,423 US8209190B2 (en) | 2007-10-25 | 2008-08-07 | Method and apparatus for generating an enhancement layer within an audio coding system |
US12/187,423 | 2008-08-07 | ||
PCT/US2008/077693 WO2009055192A1 (en) | 2007-10-25 | 2008-09-25 | Method and apparatus for generating an enhancement layer within an audio coding system |
Publications (2)
Publication Number | Publication Date |
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CN101836252A true CN101836252A (zh) | 2010-09-15 |
CN101836252B CN101836252B (zh) | 2016-06-15 |
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ID=39930381
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880113244.3A Active CN101836252B (zh) | 2007-10-25 | 2008-09-25 | 用于在音频代码化系统中生成增强层的方法和装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8209190B2 (zh) |
EP (1) | EP2206112A1 (zh) |
KR (1) | KR101125429B1 (zh) |
CN (1) | CN101836252B (zh) |
BR (1) | BRPI0817800A8 (zh) |
MX (1) | MX2010004479A (zh) |
RU (1) | RU2469422C2 (zh) |
WO (1) | WO2009055192A1 (zh) |
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US7889103B2 (en) * | 2008-03-13 | 2011-02-15 | Motorola Mobility, Inc. | Method and apparatus for low complexity combinatorial coding of signals |
US8639519B2 (en) | 2008-04-09 | 2014-01-28 | Motorola Mobility Llc | Method and apparatus for selective signal coding based on core encoder performance |
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US8428936B2 (en) * | 2010-03-05 | 2013-04-23 | Motorola Mobility Llc | Decoder for audio signal including generic audio and speech frames |
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JP6082126B2 (ja) * | 2013-01-29 | 2017-02-15 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. | 音声信号を合成するための装置及び方法、デコーダ、エンコーダ、システム及びコンピュータプログラム |
EP2951825B1 (en) * | 2013-01-29 | 2021-11-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating a frequency enhanced signal using temporal smoothing of subbands |
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US11823688B2 (en) * | 2021-07-30 | 2023-11-21 | Electronics And Telecommunications Research Institute | Audio signal encoding and decoding method, and encoder and decoder performing the methods |
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-
2008
- 2008-08-07 US US12/187,423 patent/US8209190B2/en active Active
- 2008-09-25 KR KR1020107009055A patent/KR101125429B1/ko not_active IP Right Cessation
- 2008-09-25 BR BRPI0817800A patent/BRPI0817800A8/pt not_active IP Right Cessation
- 2008-09-25 WO PCT/US2008/077693 patent/WO2009055192A1/en active Application Filing
- 2008-09-25 RU RU2010120878/08A patent/RU2469422C2/ru active
- 2008-09-25 MX MX2010004479A patent/MX2010004479A/es active IP Right Grant
- 2008-09-25 EP EP08842247A patent/EP2206112A1/en not_active Withdrawn
- 2008-09-25 CN CN200880113244.3A patent/CN101836252B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101836252B (zh) | 2016-06-15 |
US20090112607A1 (en) | 2009-04-30 |
EP2206112A1 (en) | 2010-07-14 |
RU2010120878A (ru) | 2011-11-27 |
BRPI0817800A2 (pt) | 2015-03-24 |
RU2469422C2 (ru) | 2012-12-10 |
KR101125429B1 (ko) | 2012-03-28 |
US8209190B2 (en) | 2012-06-26 |
MX2010004479A (es) | 2010-05-03 |
BRPI0817800A8 (pt) | 2015-11-03 |
WO2009055192A1 (en) | 2009-04-30 |
KR20100063127A (ko) | 2010-06-10 |
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