DE3171311D1 - Voice coding method and arrangment for carrying out said method - Google Patents

Voice coding method and arrangment for carrying out said method

Info

Publication number
DE3171311D1
DE3171311D1 DE8181430023T DE3171311T DE3171311D1 DE 3171311 D1 DE3171311 D1 DE 3171311D1 DE 8181430023 T DE8181430023 T DE 8181430023T DE 3171311 T DE3171311 T DE 3171311T DE 3171311 D1 DE3171311 D1 DE 3171311D1
Authority
DE
Germany
Prior art keywords
arrangment
carrying
voice coding
coding method
voice
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
Application number
DE8181430023T
Other languages
English (en)
Inventor
Henri Nussbaumer
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.)
Compagnie IBM France SAS
International Business Machines Corp
Original Assignee
Compagnie IBM France SAS
International Business Machines Corp
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 Compagnie IBM France SAS, International Business Machines Corp filed Critical Compagnie IBM France SAS
Application granted granted Critical
Publication of DE3171311D1 publication Critical patent/DE3171311D1/de
Expired 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
DE8181430023T 1981-07-28 1981-07-28 Voice coding method and arrangment for carrying out said method Expired DE3171311D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81430023A EP0070948B1 (de) 1981-07-28 1981-07-28 Sprachkodierungsverfahren und Ausführungsanordnung für das genannte Verfahren

Publications (1)

Publication Number Publication Date
DE3171311D1 true DE3171311D1 (en) 1985-08-14

Family

ID=8188594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181430023T Expired DE3171311D1 (en) 1981-07-28 1981-07-28 Voice coding method and arrangment for carrying out said method

Country Status (4)

Country Link
US (1) US4569075A (de)
EP (1) EP0070948B1 (de)
JP (1) JPS5936278B2 (de)
DE (1) DE3171311D1 (de)

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US5051991A (en) * 1984-10-17 1991-09-24 Ericsson Ge Mobile Communications Inc. Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing
DE3510573A1 (de) * 1985-03-23 1986-09-25 Philips Patentverwaltung Digitale analyse-synthese-filterbank mit maximaler taktreduktion
US5067158A (en) * 1985-06-11 1991-11-19 Texas Instruments Incorporated Linear predictive residual representation via non-iterative spectral reconstruction
US4825396A (en) * 1986-02-14 1989-04-25 Siemens Aktiengesellschaft Digital circuit for sampling rate variation and signal filtering and method for constructing the circuit
DE3683767D1 (de) * 1986-04-30 1992-03-12 Ibm Sprachkodierungsverfahren und einrichtung zur ausfuehrung dieses verfahrens.
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
DE3785189T2 (de) * 1987-04-22 1993-10-07 Ibm Verfahren und Einrichtung zur Veränderung von Sprachgeschwindigkeit.
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US4817182A (en) * 1987-05-04 1989-03-28 General Electric Company Truncated subband coding of images
DE3871369D1 (de) * 1988-03-08 1992-06-25 Ibm Verfahren und einrichtung zur sprachkodierung mit niedriger datenrate.
US4964166A (en) * 1988-05-26 1990-10-16 Pacific Communication Science, Inc. Adaptive transform coder having minimal bit allocation processing
US4991213A (en) * 1988-05-26 1991-02-05 Pacific Communication Sciences, Inc. Speech specific adaptive transform coder
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
EP0400222A1 (de) * 1989-06-02 1990-12-05 ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace Digitales Übertragungssystem unter Verwendung der Teilbandkodierung eines digitalen Signals
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JPH04150233A (ja) * 1990-10-09 1992-05-22 Matsushita Electric Ind Co Ltd 信号伝送方法
US5420891A (en) * 1993-03-18 1995-05-30 New Jersey Institute Of Technology Multiplierless 2-band perfect reconstruction quadrature mirror filter (PR-QMF) banks
BE1007616A3 (nl) * 1993-10-11 1995-08-22 Philips Electronics Nv Transmissiesysteem met vereenvoudigde broncodering.
JP3302229B2 (ja) 1994-09-20 2002-07-15 株式会社リコー 符号化方法、符号化／復号方法及び復号方法
US5748786A (en) * 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
US5881176A (en) 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US6229927B1 (en) 1994-09-21 2001-05-08 Ricoh Company, Ltd. Reversible embedded wavelet system implementation
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6873734B1 (en) * 1994-09-21 2005-03-29 Ricoh Company Ltd Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US6549666B1 (en) * 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
US5966465A (en) * 1994-09-21 1999-10-12 Ricoh Corporation Compression/decompression using reversible embedded wavelets
US5610942A (en) * 1995-03-07 1997-03-11 Chen; Keping Digital signal transcoder and method of transcoding a digital signal
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
US6044172A (en) * 1997-12-22 2000-03-28 Ricoh Company Ltd. Method and apparatus for reversible color conversion
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6314452B1 (en) 1999-08-31 2001-11-06 Rtimage, Ltd. System and method for transmitting a digital image over a communication network
US20010047516A1 (en) * 2000-02-01 2001-11-29 Compaq Computer Corporation System for time shifting live streamed video-audio distributed via the internet
WO2001080561A1 (en) * 2000-04-18 2001-10-25 Rtimage Inc. System and method for the lossless progressive streaming of images over a communication network
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
AU2002229090A1 (en) * 2000-12-14 2002-06-24 Rtimage Inc. Three-dimensional image streaming system and method for medical images
US6898323B2 (en) * 2001-02-15 2005-05-24 Ricoh Company, Ltd. Memory usage scheme for performing wavelet processing
US7062101B2 (en) 2001-03-30 2006-06-13 Ricoh Co., Ltd. Method and apparatus for storing bitplanes of coefficients in a reduced size memory
US6895120B2 (en) 2001-03-30 2005-05-17 Ricoh Co., Ltd. 5,3 wavelet filter having three high pair and low pair filter elements with two pairs of cascaded delays
US7006697B1 (en) 2001-03-30 2006-02-28 Ricoh Co., Ltd. Parallel block MQ arithmetic image compression of wavelet transform coefficients
US6950558B2 (en) 2001-03-30 2005-09-27 Ricoh Co., Ltd. Method and apparatus for block sequential processing
US6859563B2 (en) 2001-03-30 2005-02-22 Ricoh Co., Ltd. Method and apparatus for decoding information using late contexts
US7581027B2 (en) * 2001-06-27 2009-08-25 Ricoh Co., Ltd. JPEG 2000 for efficent imaging in a client/server environment
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7469206B2 (en) 2001-11-29 2008-12-23 Coding Technologies Ab Methods for improving high frequency reconstruction
US7280252B1 (en) 2001-12-19 2007-10-09 Ricoh Co., Ltd. Error diffusion of multiresolutional representations
US7095907B1 (en) 2002-01-10 2006-08-22 Ricoh Co., Ltd. Content and display device dependent creation of smaller representation of images
US7120305B2 (en) * 2002-04-16 2006-10-10 Ricoh, Co., Ltd. Adaptive nonlinear image enlargement using wavelet transform coefficients
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
DE10360470B4 (de) * 2003-12-22 2010-11-18 Infineon Technologies Ag Verfahren und Vorrichtung zum Demodulieren eines Empfangssignals

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US3360610A (en) * 1964-05-07 1967-12-26 Bell Telephone Labor Inc Bandwidth compression utilizing magnitude and phase coded signals representative of the input signal
US3484556A (en) * 1966-11-01 1969-12-16 Bell Telephone Labor Inc Bandwidth compression eliminating frequency transposition and overcoming phase ambiguity
NL168099C (nl) * 1974-09-12 1982-02-16 Philips Nv Modulatie- en filterinrichting voor digitale signalen.
FR2389277A1 (fr) * 1977-04-29 1978-11-24 Ibm France Procede de quantification a allocation dynamique du taux de bits disponible, et dispositif de mise en oeuvre dudit procede
FR2412987A1 (fr) * 1977-12-23 1979-07-20 Ibm France Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing

Also Published As

Publication number Publication date
EP0070948A1 (de) 1983-02-09
JPS5936278B2 (ja) 1984-09-03
US4569075A (en) 1986-02-04
JPS5823100A (ja) 1983-02-10
EP0070948B1 (de) 1985-07-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee