BE737031A - - Google Patents

Info

Publication number
BE737031A
BE737031A BE737031DA BE737031A BE 737031 A BE737031 A BE 737031A BE 737031D A BE737031D A BE 737031DA BE 737031 A BE737031 A BE 737031A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE737031A publication Critical patent/BE737031A/xx

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
BE737031D 1968-08-19 1969-08-04 BE737031A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75340868A 1968-08-19 1968-08-19

Publications (1)

Publication Number Publication Date
BE737031A true BE737031A (enrdf_load_stackoverflow) 1970-01-16

Family

ID=25030515

Family Applications (1)

Application Number Title Priority Date Filing Date
BE737031D BE737031A (enrdf_load_stackoverflow) 1968-08-19 1969-08-04

Country Status (9)

Country Link
US (1) US3631520A (enrdf_load_stackoverflow)
JP (1) JPS5021203B1 (enrdf_load_stackoverflow)
BE (1) BE737031A (enrdf_load_stackoverflow)
DE (1) DE1941336C3 (enrdf_load_stackoverflow)
ES (1) ES371061A1 (enrdf_load_stackoverflow)
FR (1) FR2016969A1 (enrdf_load_stackoverflow)
GB (1) GB1266929A (enrdf_load_stackoverflow)
NL (1) NL176822C (enrdf_load_stackoverflow)
SE (1) SE351066B (enrdf_load_stackoverflow)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740476A (en) * 1971-07-09 1973-06-19 Bell Telephone Labor Inc Speech signal pitch detector using prediction error data
US3742138A (en) * 1971-08-30 1973-06-26 Bell Telephone Labor Inc Predictive delayed encoders
US3784747A (en) * 1971-12-03 1974-01-08 Bell Telephone Labor Inc Speech suppression by predictive filtering
US3715512A (en) * 1971-12-20 1973-02-06 Bell Telephone Labor Inc Adaptive predictive speech signal coding system
BE793564A (fr) * 1971-12-30 1973-04-16 Western Electric Co Convertisseur analogique-numerique
US4008435A (en) * 1972-05-30 1977-02-15 Nippon Electric Company, Ltd. Delta modulation encoder
US3916105A (en) * 1972-12-04 1975-10-28 Ibm Pitch peak detection using linear prediction
CH581878A5 (enrdf_load_stackoverflow) * 1974-07-22 1976-11-15 Gretag Ag
US3975587A (en) * 1974-09-13 1976-08-17 International Telephone And Telegraph Corporation Digital vocoder
JPS5154714A (en) * 1974-10-16 1976-05-14 Nippon Telegraph & Telephone Tajuonseidensohoshiki
FR2312884A1 (fr) * 1975-05-27 1976-12-24 Ibm France Procede de quantification par blocs d'echantillons d'un signal electrique, et dispositif de mise en oeuvre dudit procede
NL174611C (nl) * 1975-06-12 1984-07-02 Philips Nv Differentieel pulscodemodulatie overdrachtstelsel.
US3973081A (en) * 1975-09-12 1976-08-03 Trw Inc. Feedback residue compression for digital speech systems
US4121051A (en) * 1977-06-29 1978-10-17 International Telephone & Telegraph Corporation Speech synthesizer
SE433998B (sv) * 1977-10-11 1984-06-25 Carl Erik Wilhelm Sundberg Anordning vid signalmottagare for att kompensera digitala fel i overford digital signal
US4133976A (en) * 1978-04-07 1979-01-09 Bell Telephone Laboratories, Incorporated Predictive speech signal coding with reduced noise effects
USRE32124E (en) * 1980-04-08 1986-04-22 At&T Bell Laboratories Predictive signal coding with partitioned quantization
US4354057A (en) * 1980-04-08 1982-10-12 Bell Telephone Laboratories, Incorporated Predictive signal coding with partitioned quantization
US4509150A (en) * 1980-12-31 1985-04-02 Mobil Oil Corporation Linear prediction coding for compressing of seismic data
US4532494A (en) * 1981-01-09 1985-07-30 Tokyo Shibaura Denki Kabushiki Kaisha Adaptive delta codec which varies a delta signal in accordance with a characteristic of an input analog signal
FR2515901A1 (fr) * 1981-11-04 1983-05-06 Trt Telecom Radio Electr Systeme de transmission mic-differentiel avec prediction adaptative
US4437087A (en) * 1982-01-27 1984-03-13 Bell Telephone Laboratories, Incorporated Adaptive differential PCM coding
US4561102A (en) * 1982-09-20 1985-12-24 At&T Bell Laboratories Pitch detector for speech analysis
GB2128825A (en) * 1982-10-20 1984-05-02 Dbx Analog to digital and digital to analog converter
JPS59153346A (ja) * 1983-02-21 1984-09-01 Nec Corp 音声符号化・復号化装置
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
AU572555B2 (en) * 1983-10-07 1988-05-12 Dolby Laboratories Licensing Corporation Spectral preemphasis/deemphasis
US4701954A (en) * 1984-03-16 1987-10-20 American Telephone And Telegraph Company, At&T Bell Laboratories Multipulse LPC speech processing arrangement
US4709390A (en) * 1984-05-04 1987-11-24 American Telephone And Telegraph Company, At&T Bell Laboratories Speech message code modifying arrangement
US4617676A (en) * 1984-09-04 1986-10-14 At&T Bell Laboratories Predictive communication system filtering arrangement
US4719642A (en) * 1985-02-27 1988-01-12 Scientific Atlanta, Inc. Error detection and concealment using predicted signal values
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4726037A (en) * 1986-03-26 1988-02-16 American Telephone And Telegraph Company, At&T Bell Laboratories Predictive communication system filtering arrangement
EP0289285A3 (en) * 1987-04-30 1989-11-29 Oki Electric Industry Company, Limited Linear predictive coding analysing apparatus and bandlimited circuit therefor
US4791654A (en) * 1987-06-05 1988-12-13 American Telephone And Telegraph Company, At&T Bell Laboratories Resisting the effects of channel noise in digital transmission of information
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
US5274559A (en) * 1988-10-19 1993-12-28 Hitachi, Ltd. Method for predicting a future value of measurement data and for controlling engine fuel injection based thereon
US5127055A (en) * 1988-12-30 1992-06-30 Kurzweil Applied Intelligence, Inc. Speech recognition apparatus & method having dynamic reference pattern adaptation
US5261027A (en) * 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5263119A (en) * 1989-06-29 1993-11-16 Fujitsu Limited Gain-shape vector quantization method and apparatus
JPH0365822A (ja) * 1989-08-04 1991-03-20 Fujitsu Ltd ベクトル量子化符号器及びベクトル量子化復号器
US5195168A (en) * 1991-03-15 1993-03-16 Codex Corporation Speech coder and method having spectral interpolation and fast codebook search
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
DE19729494C2 (de) * 1997-07-10 1999-11-04 Grundig Ag Verfahren und Anordnung zur Codierung und/oder Decodierung von Sprachsignalen, insbesondere für digitale Diktiergeräte
US7218491B2 (en) * 2002-12-23 2007-05-15 Intel Corporation Electrostatic discharge protection unit including equalization
DE102004007185B3 (de) * 2004-02-13 2005-06-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Prädiktives Codierungsschema
KR100629997B1 (ko) * 2004-02-26 2006-09-27 엘지전자 주식회사 오디오 신호의 인코딩 방법
WO2009023807A1 (en) * 2007-08-15 2009-02-19 Massachusetts Institute Of Technology Speech processing apparatus and method employing feedback
US8519867B2 (en) 2010-12-23 2013-08-27 General Electric Company Method and system for reducing transmitter power consumption while avoiding delay of displayed information

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732424A (en) * 1956-01-24 oliver
US3026375A (en) * 1958-05-09 1962-03-20 Bell Telephone Labor Inc Transmission of quantized signals
US3236947A (en) * 1961-12-21 1966-02-22 Ibm Word code generator
US3305854A (en) * 1963-12-19 1967-02-21 Raytheon Co Sampled data system
US3461244A (en) * 1966-08-16 1969-08-12 Bell Telephone Labor Inc Delta modulation system with continuously variable compander

Also Published As

Publication number Publication date
DE1941336B2 (de) 1979-04-19
FR2016969A1 (enrdf_load_stackoverflow) 1970-05-15
NL176822B (nl) 1985-01-02
NL6912534A (enrdf_load_stackoverflow) 1970-02-23
JPS5021203B1 (enrdf_load_stackoverflow) 1975-07-21
ES371061A1 (es) 1971-08-01
SE351066B (enrdf_load_stackoverflow) 1972-11-13
GB1266929A (enrdf_load_stackoverflow) 1972-03-15
DE1941336C3 (de) 1979-12-13
NL176822C (nl) 1985-06-03
US3631520A (en) 1971-12-28
DE1941336A1 (de) 1970-02-26

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19890804