DE69737012D1 - Sprachkodierer, sprachdekodierer und aufzeichnungsmedium dafür - Google Patents

Sprachkodierer, sprachdekodierer und aufzeichnungsmedium dafür

Info

Publication number
DE69737012D1
DE69737012D1 DE69737012T DE69737012T DE69737012D1 DE 69737012 D1 DE69737012 D1 DE 69737012D1 DE 69737012 T DE69737012 T DE 69737012T DE 69737012 T DE69737012 T DE 69737012T DE 69737012 D1 DE69737012 D1 DE 69737012D1
Authority
DE
Germany
Prior art keywords
language
codier
recording medium
decoder
medium therefor
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
Application number
DE69737012T
Other languages
English (en)
Other versions
DE69737012T2 (de
Inventor
Hiroyuki Ehara
Toshiyuki Morii
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP03672697A external-priority patent/JP4063911B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69737012D1 publication Critical patent/DE69737012D1/de
Application granted granted Critical
Publication of DE69737012T2 publication Critical patent/DE69737012T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69737012T 1996-08-02 1997-08-04 Sprachkodierer, sprachdekodierer und aufzeichnungsmedium dafür Expired - Lifetime DE69737012T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP20443996 1996-08-02
JP20443996 1996-08-02
JP03672697A JP4063911B2 (ja) 1996-02-21 1997-02-20 音声符号化装置
JP3672697 1997-02-20
PCT/JP1997/002703 WO1998006091A1 (fr) 1996-08-02 1997-08-04 Codec vocal, support sur lequel est enregistre un programme codec vocal, et appareil mobile de telecommunications

Publications (2)

Publication Number Publication Date
DE69737012D1 true DE69737012D1 (de) 2007-01-11
DE69737012T2 DE69737012T2 (de) 2007-06-06

Family

ID=26375818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69737012T Expired - Lifetime DE69737012T2 (de) 1996-08-02 1997-08-04 Sprachkodierer, sprachdekodierer und aufzeichnungsmedium dafür

Country Status (6)

Country Link
US (4) US6226604B1 (de)
EP (2) EP1553564A3 (de)
CN (1) CN1163870C (de)
AU (1) AU3708597A (de)
DE (1) DE69737012T2 (de)
WO (1) WO1998006091A1 (de)

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US8766995B2 (en) * 2006-04-26 2014-07-01 Qualcomm Incorporated Graphics system with configurable caches
US20070268289A1 (en) * 2006-05-16 2007-11-22 Chun Yu Graphics system with dynamic reposition of depth engine
US8884972B2 (en) * 2006-05-25 2014-11-11 Qualcomm Incorporated Graphics processor with arithmetic and elementary function units
US8869147B2 (en) * 2006-05-31 2014-10-21 Qualcomm Incorporated Multi-threaded processor with deferred thread output control
US8644643B2 (en) * 2006-06-14 2014-02-04 Qualcomm Incorporated Convolution filtering in a graphics processor
US8766996B2 (en) * 2006-06-21 2014-07-01 Qualcomm Incorporated Unified virtual addressed register file
US20080276359A1 (en) * 2007-05-09 2008-11-13 Morgan Terra J Drain clog remover
JP4882899B2 (ja) * 2007-07-25 2012-02-22 ソニー株式会社 音声解析装置、および音声解析方法、並びにコンピュータ・プログラム
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
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
CN101604525B (zh) * 2008-12-31 2011-04-06 华为技术有限公司 基音增益获取方法、装置及编码器、解码器
US8504378B2 (en) * 2009-01-22 2013-08-06 Panasonic Corporation Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same
US8670990B2 (en) * 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
JPWO2011048810A1 (ja) * 2009-10-20 2013-03-07 パナソニック株式会社 ベクトル量子化装置及びベクトル量子化方法
KR101761629B1 (ko) * 2009-11-24 2017-07-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8990094B2 (en) * 2010-09-13 2015-03-24 Qualcomm Incorporated Coding and decoding a transient frame
US9082416B2 (en) 2010-09-16 2015-07-14 Qualcomm Incorporated Estimating a pitch lag
US8862465B2 (en) 2010-09-17 2014-10-14 Qualcomm Incorporated Determining pitch cycle energy and scaling an excitation signal
CN107342094B (zh) 2011-12-21 2021-05-07 华为技术有限公司 非常短的基音周期检测和编码
CN104254886B (zh) 2011-12-21 2018-08-14 华为技术有限公司 自适应编码浊音语音的基音周期
CN103426441B (zh) 2012-05-18 2016-03-02 华为技术有限公司 检测基音周期的正确性的方法和装置
US9589570B2 (en) 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates
WO2014053261A1 (en) * 2012-10-05 2014-04-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for encoding a speech signal employing acelp in the autocorrelation domain
US9208775B2 (en) 2013-02-21 2015-12-08 Qualcomm Incorporated Systems and methods for determining pitch pulse period signal boundaries
CN113192517B (zh) 2020-01-13 2024-04-26 华为技术有限公司 一种音频编解码方法和音频编解码设备

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Also Published As

Publication number Publication date
US20010001139A1 (en) 2001-05-10
EP1553564A3 (de) 2005-10-19
CN1205097A (zh) 1999-01-13
EP0858069A1 (de) 1998-08-12
US20010003812A1 (en) 2001-06-14
EP1553564A2 (de) 2005-07-13
US6226604B1 (en) 2001-05-01
WO1998006091A1 (fr) 1998-02-12
US6549885B2 (en) 2003-04-15
US6687666B2 (en) 2004-02-03
US6421638B2 (en) 2002-07-16
AU3708597A (en) 1998-02-25
US20010001142A1 (en) 2001-05-10
EP0858069B1 (de) 2006-11-29
CN1163870C (zh) 2004-08-25
DE69737012T2 (de) 2007-06-06
EP0858069A4 (de) 2000-08-23

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Legal Events

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8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP