DE602007001625D1 - Adaptiver Ratensteuerungsalgorithmus zur AAC-Kodierung mit niedriger Komplexität - Google Patents

Adaptiver Ratensteuerungsalgorithmus zur AAC-Kodierung mit niedriger Komplexität

Info

Publication number
DE602007001625D1
DE602007001625D1 DE602007001625T DE602007001625T DE602007001625D1 DE 602007001625 D1 DE602007001625 D1 DE 602007001625D1 DE 602007001625 T DE602007001625 T DE 602007001625T DE 602007001625 T DE602007001625 T DE 602007001625T DE 602007001625 D1 DE602007001625 D1 DE 602007001625D1
Authority
DE
Germany
Prior art keywords
rate control
control algorithm
low complexity
adaptive rate
aac coding
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 - Fee Related
Application number
DE602007001625T
Other languages
English (en)
Inventor
Evelyn Kurniawati
Sapna George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics Asia Pacific Pte Ltd
Original Assignee
STMicroelectronics Asia Pacific Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STMicroelectronics Asia Pacific Pte Ltd filed Critical STMicroelectronics Asia Pacific Pte Ltd
Publication of DE602007001625D1 publication Critical patent/DE602007001625D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G10L19/02—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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602007001625T 2006-04-28 2007-04-27 Adaptiver Ratensteuerungsalgorithmus zur AAC-Kodierung mit niedriger Komplexität Expired - Fee Related DE602007001625D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200602922-7A SG136836A1 (en) 2006-04-28 2006-04-28 Adaptive rate control algorithm for low complexity aac encoding

Publications (1)

Publication Number Publication Date
DE602007001625D1 true DE602007001625D1 (de) 2009-09-03

Family

ID=38179450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007001625T Expired - Fee Related DE602007001625D1 (de) 2006-04-28 2007-04-27 Adaptiver Ratensteuerungsalgorithmus zur AAC-Kodierung mit niedriger Komplexität

Country Status (5)

Country Link
US (1) US7873510B2 (de)
EP (1) EP1850327B1 (de)
CN (1) CN101064106B (de)
DE (1) DE602007001625D1 (de)
SG (1) SG136836A1 (de)

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Publication number Priority date Publication date Assignee Title
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
US8374857B2 (en) 2006-08-08 2013-02-12 Stmicroelectronics Asia Pacific Pte, Ltd. Estimating rate controlling parameters in perceptual audio encoders
FR2911228A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard.
EP2162880B1 (de) * 2007-06-22 2014-12-24 VoiceAge Corporation Verfahren und einrichtung zur schätzung der tonalität eines schallsignals
JP5539203B2 (ja) 2007-08-27 2014-07-02 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 改良された音声及びオーディオ信号の変換符号化
US8254588B2 (en) * 2007-11-13 2012-08-28 Stmicroelectronics Asia Pacific Pte., Ltd. System and method for providing step size control for subband affine projection filters for echo cancellation applications
WO2009081568A1 (ja) * 2007-12-21 2009-07-02 Panasonic Corporation 符号化装置、復号装置および符号化方法
JP5262171B2 (ja) * 2008-02-19 2013-08-14 富士通株式会社 符号化装置、符号化方法および符号化プログラム
KR101599875B1 (ko) * 2008-04-17 2016-03-14 삼성전자주식회사 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 부호화 방법 및 장치, 멀티미디어의 컨텐트 특성에 기반한 멀티미디어 복호화 방법 및 장치
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
KR20090110242A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 신호를 처리하는 방법 및 장치
CN101562015A (zh) * 2008-04-18 2009-10-21 华为技术有限公司 音频处理方法及装置
KR20090122142A (ko) * 2008-05-23 2009-11-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8204744B2 (en) 2008-12-01 2012-06-19 Research In Motion Limited Optimization of MP3 audio encoding by scale factors and global quantization step size
ATE532175T1 (de) * 2008-12-01 2011-11-15 Research In Motion Ltd Optimierung von mp3-kodierung mit vollständiger dekodiererkompatibilität
CN102332266B (zh) * 2010-07-13 2013-04-24 炬力集成电路设计有限公司 一种音频数据的编码方法及装置
US8489391B2 (en) * 2010-08-05 2013-07-16 Stmicroelectronics Asia Pacific Pte., Ltd. Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication
JP5609591B2 (ja) * 2010-11-30 2014-10-22 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
EP2464146A1 (de) 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Dekomposition eines Eingabesignals mit einer im Voraus berechneten Bezugskurve
JP5732994B2 (ja) * 2011-04-19 2015-06-10 ソニー株式会社 楽曲検索装置および方法、プログラム、並びに記録媒体
CN105825859B (zh) * 2011-05-13 2020-02-14 三星电子株式会社 比特分配、音频编码和解码
US10572876B2 (en) * 2012-12-28 2020-02-25 Capital One Services, Llc Systems and methods for authenticating potentially fraudulent transactions using voice print recognition
RU2712814C2 (ru) 2013-04-05 2020-01-31 Долби Лабораторис Лайсэнзин Корпорейшн Система компандирования и способ для снижения шума квантования с использованием усовершенствованного спектрального расширения
CN104616657A (zh) * 2015-01-13 2015-05-13 中国电子科技集团公司第三十二研究所 高级音频编码系统
CN106653035B (zh) * 2016-12-26 2019-12-13 广州广晟数码技术有限公司 数字音频编码中码率分配的方法和装置
CN114566174B (zh) * 2022-04-24 2022-07-19 北京百瑞互联技术有限公司 一种优化语音编码的方法、装置、系统、介质及设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801886B1 (en) * 2000-06-22 2004-10-05 Sony Corporation System and method for enhancing MPEG audio encoder quality
KR100467617B1 (ko) * 2002-10-30 2005-01-24 삼성전자주식회사 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치
CN1461112A (zh) * 2003-07-04 2003-12-10 北京阜国数字技术有限公司 一种基于极小化全局噪声掩蔽比准则和熵编码的量化的音频编码方法
CN100459436C (zh) * 2005-09-16 2009-02-04 北京中星微电子有限公司 一种音频编码中比特分配的方法

Also Published As

Publication number Publication date
SG136836A1 (en) 2007-11-29
CN101064106A (zh) 2007-10-31
CN101064106B (zh) 2011-12-28
US20070255562A1 (en) 2007-11-01
EP1850327B1 (de) 2009-07-22
EP1850327A1 (de) 2007-10-31
US7873510B2 (en) 2011-01-18

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee