ATE373856T1 - Adaptive bit-zuordnung für audio-kodierer - Google Patents

Adaptive bit-zuordnung für audio-kodierer

Info

Publication number
ATE373856T1
ATE373856T1 AT99967316T AT99967316T ATE373856T1 AT E373856 T1 ATE373856 T1 AT E373856T1 AT 99967316 T AT99967316 T AT 99967316T AT 99967316 T AT99967316 T AT 99967316T AT E373856 T1 ATE373856 T1 AT E373856T1
Authority
AT
Austria
Prior art keywords
audio data
bands
bit allocation
adaptive bit
audio encoders
Prior art date
Application number
AT99967316T
Other languages
English (en)
Inventor
Lin Yin
Original Assignee
Sony Electronics Inc
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 Sony Electronics Inc filed Critical Sony Electronics Inc
Application granted granted Critical
Publication of ATE373856T1 publication Critical patent/ATE373856T1/de

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
    • G10L19/002—Dynamic bit allocation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT99967316T 1998-12-24 1999-12-14 Adaptive bit-zuordnung für audio-kodierer ATE373856T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/220,320 US6240379B1 (en) 1998-12-24 1998-12-24 System and method for preventing artifacts in an audio data encoder device

Publications (1)

Publication Number Publication Date
ATE373856T1 true ATE373856T1 (de) 2007-10-15

Family

ID=22823086

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99967316T ATE373856T1 (de) 1998-12-24 1999-12-14 Adaptive bit-zuordnung für audio-kodierer

Country Status (10)

Country Link
US (1) US6240379B1 (de)
EP (1) EP1057173B1 (de)
JP (1) JP2002533790A (de)
KR (1) KR20010034370A (de)
AT (1) ATE373856T1 (de)
AU (1) AU2361700A (de)
CA (1) CA2320171A1 (de)
DE (1) DE69937140T2 (de)
TW (1) TW454172B (de)
WO (1) WO2000039790A1 (de)

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DE19907964C1 (de) * 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals
US6745162B1 (en) * 2000-06-22 2004-06-01 Sony Corporation System and method for bit allocation in an audio encoder
EP1532734A4 (de) 2002-06-05 2008-10-01 Sonic Focus Inc Akustische virtual-reality-engine und erweiterte techniken zur verbesserung des abgelieferten schalls
KR100723400B1 (ko) * 2004-05-12 2007-05-30 삼성전자주식회사 복수의 룩업테이블을 이용한 디지털 신호 부호화 방법 및장치
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
KR100851970B1 (ko) 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US9276787B2 (en) 2008-03-28 2016-03-01 Qualcomm Incorporated Transmission of signaling messages using beacon signals
US8995559B2 (en) * 2008-03-28 2015-03-31 Qualcomm Incorporated Signaling message transmission in a wireless communication network
TWI484473B (zh) * 2009-10-30 2015-05-11 Dolby Int Ab 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統
US8621246B2 (en) * 2009-12-23 2013-12-31 Intel Corporation Power management system and method to provide supply voltage to a load
JP6039678B2 (ja) * 2011-10-27 2016-12-07 エルジー エレクトロニクス インコーポレイティド 音声信号符号化方法及び復号化方法とこれを利用する装置
US20150025894A1 (en) * 2013-07-16 2015-01-22 Electronics And Telecommunications Research Institute Method for encoding and decoding of multi channel audio signal, encoder and decoder
CN104934034B (zh) * 2014-03-19 2016-11-16 华为技术有限公司 用于信号处理的方法和装置
JP6586804B2 (ja) * 2015-07-14 2019-10-09 富士通株式会社 符号化装置、符号化方法、及びプログラム
GB2565268B (en) * 2017-06-22 2021-11-24 Avago Tech Int Sales Pte Lid Apparatus and method for packing a bit stream

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Publication number Priority date Publication date Assignee Title
JP2913731B2 (ja) 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法
CA2075156A1 (en) 1991-08-02 1993-02-03 Kenzo Akagiri Digital encoder with dynamic quantization bit allocation
EP0559348A3 (de) * 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
US5396497A (en) 1993-02-26 1995-03-07 Sony Corporation Synchronization of audio/video information
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EP0734021A3 (de) * 1995-03-23 1999-05-26 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Verfahren und Vorrichtung zur Dekodierung digitaler, im MPEG-Format Layer 1 oder 2 kodierter Audiodaten
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Also Published As

Publication number Publication date
EP1057173B1 (de) 2007-09-19
EP1057173A1 (de) 2000-12-06
DE69937140T2 (de) 2008-06-19
KR20010034370A (ko) 2001-04-25
US6240379B1 (en) 2001-05-29
AU2361700A (en) 2000-07-31
DE69937140D1 (de) 2007-10-31
JP2002533790A (ja) 2002-10-08
TW454172B (en) 2001-09-11
WO2000039790A1 (en) 2000-07-06
CA2320171A1 (en) 2000-07-06

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