SG136836A1 - Adaptive rate control algorithm for low complexity aac encoding - Google Patents

Adaptive rate control algorithm for low complexity aac encoding

Info

Publication number
SG136836A1
SG136836A1 SG200602922-7A SG2006029227A SG136836A1 SG 136836 A1 SG136836 A1 SG 136836A1 SG 2006029227 A SG2006029227 A SG 2006029227A SG 136836 A1 SG136836 A1 SG 136836A1
Authority
SG
Singapore
Prior art keywords
rate control
control algorithm
low complexity
adaptive rate
encoding
Prior art date
Application number
SG200602922-7A
Other languages
English (en)
Inventor
Evelyn Kurniawati
Sapna George
Original Assignee
St Microelectronics Asia
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 St Microelectronics Asia filed Critical St Microelectronics Asia
Priority to SG200602922-7A priority Critical patent/SG136836A1/en
Priority to US11/796,036 priority patent/US7873510B2/en
Priority to EP07251789A priority patent/EP1850327B1/en
Priority to DE602007001625T priority patent/DE602007001625D1/de
Priority to CN2007101029717A priority patent/CN101064106B/zh
Publication of SG136836A1 publication Critical patent/SG136836A1/en

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)
SG200602922-7A 2006-04-28 2006-04-28 Adaptive rate control algorithm for low complexity aac encoding SG136836A1 (en)

Priority Applications (5)

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
US11/796,036 US7873510B2 (en) 2006-04-28 2007-04-26 Adaptive rate control algorithm for low complexity AAC encoding
EP07251789A EP1850327B1 (en) 2006-04-28 2007-04-27 Adaptive rate control algorithm for low complexity AAC encoding
DE602007001625T DE602007001625D1 (de) 2006-04-28 2007-04-27 Adaptiver Ratensteuerungsalgorithmus zur AAC-Kodierung mit niedriger Komplexität
CN2007101029717A CN101064106B (zh) 2006-04-28 2007-04-27 用于低复杂度高级音频编码的自适应速率控制算法

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
SG136836A1 true SG136836A1 (en) 2007-11-29

Family

ID=38179450

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (26)

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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.
JP5395066B2 (ja) * 2007-06-22 2014-01-22 ヴォイスエイジ・コーポレーション 音声区間検出および音声信号分類ための方法および装置
WO2009029035A1 (en) 2007-08-27 2009-03-05 Telefonaktiebolaget Lm Ericsson (Publ) Improved transform coding of speech and audio signals
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
KR20090110244A (ko) * 2008-04-17 2009-10-21 삼성전자주식회사 오디오 시맨틱 정보를 이용한 오디오 신호의 부호화/복호화 방법 및 그 장치
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
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
EP2192577B1 (en) * 2008-12-01 2011-11-02 Research In Motion Limited Optimization of MP3 encoding with complete decoder compatibility
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
EP2464145A1 (en) * 2010-12-10 2012-06-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decomposing an input signal using a downmixer
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
MY164164A (en) 2011-05-13 2017-11-30 Samsung Electronics Co Ltd Bit allocating, audio encoding and decoding
US10572876B2 (en) * 2012-12-28 2020-02-25 Capital One Services, Llc Systems and methods for authenticating potentially fraudulent transactions using voice print recognition
CN114566183A (zh) * 2013-04-05 2022-05-31 杜比实验室特许公司 使用高级频谱延拓降低量化噪声的压扩装置和方法
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
EP1850327B1 (en) 2009-07-22
DE602007001625D1 (de) 2009-09-03
EP1850327A1 (en) 2007-10-31
CN101064106A (zh) 2007-10-31
US7873510B2 (en) 2011-01-18
US20070255562A1 (en) 2007-11-01
CN101064106B (zh) 2011-12-28

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