DE69125909D1 - Verfahren und Einrichtung zur Transformationskodierung mit Teilbandanregung und dynamischer Bitzordnung - Google Patents

Verfahren und Einrichtung zur Transformationskodierung mit Teilbandanregung und dynamischer Bitzordnung

Info

Publication number
DE69125909D1
DE69125909D1 DE69125909T DE69125909T DE69125909D1 DE 69125909 D1 DE69125909 D1 DE 69125909D1 DE 69125909 T DE69125909 T DE 69125909T DE 69125909 T DE69125909 T DE 69125909T DE 69125909 D1 DE69125909 D1 DE 69125909D1
Authority
DE
Germany
Prior art keywords
bit order
dynamic bit
transformation coding
subband excitation
subband
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
DE69125909T
Other languages
English (en)
Other versions
DE69125909T2 (de
Inventor
Baruch Mazor
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.)
Verizon Laboratories Inc
Original Assignee
GTE Laboratories 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24391497&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69125909(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GTE Laboratories Inc filed Critical GTE Laboratories Inc
Publication of DE69125909D1 publication Critical patent/DE69125909D1/de
Application granted granted Critical
Publication of DE69125909T2 publication Critical patent/DE69125909T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0204—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 using subband decomposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69125909T 1990-10-15 1991-10-11 Verfahren und Einrichtung zur Transformationskodierung mit Teilbandanregung und dynamischer Bitzordnung Expired - Lifetime DE69125909T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/597,438 US5235671A (en) 1990-10-15 1990-10-15 Dynamic bit allocation subband excited transform coding method and apparatus

Publications (2)

Publication Number Publication Date
DE69125909D1 true DE69125909D1 (de) 1997-06-05
DE69125909T2 DE69125909T2 (de) 1997-08-14

Family

ID=24391497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125909T Expired - Lifetime DE69125909T2 (de) 1990-10-15 1991-10-11 Verfahren und Einrichtung zur Transformationskodierung mit Teilbandanregung und dynamischer Bitzordnung

Country Status (4)

Country Link
US (1) US5235671A (de)
EP (1) EP0481374B1 (de)
CA (1) CA2053064C (de)
DE (1) DE69125909T2 (de)

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EP0525809B1 (de) * 1991-08-02 2001-12-05 Sony Corporation Digitaler Kodierer mit dynamischer Quantisierungsbitverteilung
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DE4209544A1 (de) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3150475B2 (ja) * 1993-02-19 2001-03-26 松下電器産業株式会社 量子化方法
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
JP3137805B2 (ja) * 1993-05-21 2001-02-26 三菱電機株式会社 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
US5659659A (en) * 1993-07-26 1997-08-19 Alaris, Inc. Speech compressor using trellis encoding and linear prediction
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US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
JP3250376B2 (ja) * 1994-06-13 2002-01-28 ソニー株式会社 情報符号化方法及び装置並びに情報復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
DE4433819A1 (de) * 1994-09-22 1996-03-28 Philips Patentverwaltung Coder zur segmentweisen Codierung eines Eingangssignales
US5915235A (en) * 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
EP0756386B1 (de) * 1995-07-27 2003-09-17 Victor Company Of Japan, Limited Verfahren und Gerät zum Kodieren digitaler akustischer Signale
JP3521596B2 (ja) * 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
JP2891193B2 (ja) * 1996-08-16 1999-05-17 日本電気株式会社 広帯域音声スペクトル係数量子化装置
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
US6081783A (en) * 1997-11-14 2000-06-27 Cirrus Logic, Inc. Dual processor digital audio decoder with shared memory data transfer and task partitioning for decompressing compressed audio data, and systems and methods using the same
US6242545B1 (en) * 1997-12-08 2001-06-05 Univation Technologies Polymerization catalyst systems comprising substituted hafinocenes
US6134274A (en) * 1997-12-23 2000-10-17 At&T Corp Method and apparatus for allocating data for transmission via discrete multiple tones
DE69924922T2 (de) * 1998-06-15 2006-12-21 Matsushita Electric Industrial Co., Ltd., Kadoma Audiokodierungsmethode und Audiokodierungsvorrichtung
US6445732B1 (en) * 1998-09-23 2002-09-03 Conexant Systems, Inc. Dynamic range reduction circuitry for a digital communications receiver
US6665409B1 (en) 1999-04-12 2003-12-16 Cirrus Logic, Inc. Methods for surround sound simulation and circuits and systems using the same
US6356871B1 (en) 1999-06-14 2002-03-12 Cirrus Logic, Inc. Methods and circuits for synchronizing streaming data and systems using the same
US6349285B1 (en) 1999-06-28 2002-02-19 Cirrus Logic, Inc. Audio bass management methods and circuits and systems using the same
JP3804902B2 (ja) * 1999-09-27 2006-08-02 パイオニア株式会社 量子化誤差補正方法及び装置並びにオーディオ情報復号方法及び装置
DE69932861T2 (de) * 1999-10-30 2007-03-15 Stmicroelectronics Asia Pacific Pte Ltd. Verfahren zur kodierung eines audiosignals mit einem qualitätswert für bit-zuordnung
US7058150B2 (en) * 2000-04-28 2006-06-06 Broadcom Corporation High-speed serial data transceiver and related methods
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP4055336B2 (ja) * 2000-07-05 2008-03-05 日本電気株式会社 音声符号化装置及びそれに用いる音声符号化方法
JP2008199209A (ja) * 2007-02-09 2008-08-28 Matsushita Electric Ind Co Ltd 無線受信装置
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI591625B (zh) 2009-05-27 2017-07-11 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
CN108198564B (zh) 2013-07-01 2021-02-26 华为技术有限公司 信号编码和解码方法以及设备

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US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
US4330689A (en) * 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
JPS5921039B2 (ja) * 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
US4535472A (en) * 1982-11-05 1985-08-13 At&T Bell Laboratories Adaptive bit allocator
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
WO1986003873A1 (en) * 1984-12-20 1986-07-03 Gte Laboratories Incorporated Method and apparatus for encoding speech
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4956871A (en) * 1988-09-30 1990-09-11 At&T Bell Laboratories Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands
US5042069A (en) * 1989-04-18 1991-08-20 Pacific Communications Sciences, Inc. Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals

Also Published As

Publication number Publication date
CA2053064C (en) 2002-12-10
US5235671A (en) 1993-08-10
EP0481374B1 (de) 1997-05-02
EP0481374A2 (de) 1992-04-22
EP0481374A3 (en) 1993-04-07
CA2053064A1 (en) 1992-04-16
DE69125909T2 (de) 1997-08-14

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Legal Events

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

Owner name: VERIZON LABORATORIES INC., WILMINGTON, DEL., US