ATE15415T1 - Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung. - Google Patents

Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.

Info

Publication number
ATE15415T1
ATE15415T1 AT82810391T AT82810391T ATE15415T1 AT E15415 T1 ATE15415 T1 AT E15415T1 AT 82810391 T AT82810391 T AT 82810391T AT 82810391 T AT82810391 T AT 82810391T AT E15415 T1 ATE15415 T1 AT E15415T1
Authority
AT
Austria
Prior art keywords
speech
section
sections
parameters
data rate
Prior art date
Application number
AT82810391T
Other languages
English (en)
Inventor
Stephan Dr Horvath
Carlo Bernasconi
Original Assignee
Gretag Ag
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 Gretag Ag filed Critical Gretag Ag
Application granted granted Critical
Publication of ATE15415T1 publication Critical patent/ATE15415T1/de

Links

Classifications

    • 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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Exchange Systems With Centralized Control (AREA)
AT82810391T 1981-09-24 1982-09-20 Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung. ATE15415T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH616881 1981-09-24
EP82810391A EP0076234B1 (de) 1981-09-24 1982-09-20 Verfahren und Vorrichtung zur redundanzvermindernden digitalen Sprachverarbeitung

Publications (1)

Publication Number Publication Date
ATE15415T1 true ATE15415T1 (de) 1985-09-15

Family

ID=4305342

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82810391T ATE15415T1 (de) 1981-09-24 1982-09-20 Verfahren und vorrichtung zur redundanzvermindernden digitalen sprachverarbeitung.

Country Status (6)

Country Link
US (1) US4618982A (de)
EP (1) EP0076234B1 (de)
JP (1) JPS5870300A (de)
AT (1) ATE15415T1 (de)
CA (1) CA1184656A (de)
DE (1) DE3266042D1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1229681A (en) * 1984-03-06 1987-11-24 Kazunori Ozawa Method and apparatus for speech-band signal coding
CA1255802A (en) * 1984-07-05 1989-06-13 Kazunori Ozawa Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses
CA1252568A (en) * 1984-12-24 1989-04-11 Kazunori Ozawa Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate
US4912764A (en) * 1985-08-28 1990-03-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder with different excitation types
US4890328A (en) * 1985-08-28 1989-12-26 American Telephone And Telegraph Company Voice synthesis utilizing multi-level filter excitation
EP0245531A1 (de) * 1986-05-14 1987-11-19 Deutsche ITT Industries GmbH Verwendung von halbleitertechnischen Festwertspeichern
EP0360265B1 (de) * 1988-09-21 1994-01-26 Nec Corporation Zur Sprachqualitätsmodifizierung geeignetes Übertragungssystem durch Klassifizierung der Sprachsignale
US4972474A (en) * 1989-05-01 1990-11-20 Cylink Corporation Integer encryptor
JPH03136100A (ja) * 1989-10-20 1991-06-10 Canon Inc 音声処理方法及び装置
US6006174A (en) 1990-10-03 1999-12-21 Interdigital Technology Coporation Multiple impulse excitation speech encoder and decoder
JP2810252B2 (ja) * 1991-05-22 1998-10-15 シャープ株式会社 音声再生装置
US5272698A (en) * 1991-09-12 1993-12-21 The United States Of America As Represented By The Secretary Of The Air Force Multi-speaker conferencing over narrowband channels
US5317567A (en) * 1991-09-12 1994-05-31 The United States Of America As Represented By The Secretary Of The Air Force Multi-speaker conferencing over narrowband channels
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
US5517511A (en) * 1992-11-30 1996-05-14 Digital Voice Systems, Inc. Digital transmission of acoustic signals over a noisy communication channel
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
US5457685A (en) * 1993-11-05 1995-10-10 The United States Of America As Represented By The Secretary Of The Air Force Multi-speaker conferencing over narrowband channels
CA2153170C (en) * 1993-11-30 2000-12-19 At&T Corp. Transmitted noise reduction in communications systems
US5715365A (en) * 1994-04-04 1998-02-03 Digital Voice Systems, Inc. Estimation of excitation parameters
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
US6240384B1 (en) 1995-12-04 2001-05-29 Kabushiki Kaisha Toshiba Speech synthesis method
SE506034C2 (sv) * 1996-02-01 1997-11-03 Ericsson Telefon Ab L M Förfarande och anordning för förbättring av parametrar representerande brusigt tal
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
US6199037B1 (en) 1997-12-04 2001-03-06 Digital Voice Systems, Inc. Joint quantization of speech subframe voicing metrics and fundamental frequencies
US6377916B1 (en) 1999-11-29 2002-04-23 Digital Voice Systems, Inc. Multiband harmonic transform coder
US7080009B2 (en) * 2000-05-01 2006-07-18 Motorola, Inc. Method and apparatus for reducing rate determination errors and their artifacts
DE102004001293A1 (de) * 2004-01-07 2005-08-11 Deutsche Thomson-Brandt Gmbh Vorrichtung und Verfahren zur Datenübertragung mit reduzierter Datenmenge

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017456A (en) * 1958-03-24 1962-01-16 Technicolor Corp Bandwidth reduction system for television signals
DE1162399B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, deren statistische Verteilung sehr stark schwankt
US3236947A (en) * 1961-12-21 1966-02-22 Ibm Word code generator
US3439753A (en) * 1966-04-19 1969-04-22 Bell Telephone Labor Inc Reduced bandwidth pulse modulation scheme using dual mode encoding in selected sub-block sampling periods
US4053712A (en) * 1976-08-24 1977-10-11 The United States Of America As Represented By The Secretary Of The Army Adaptive digital coder and decoder
CA1123955A (en) * 1978-03-30 1982-05-18 Tetsu Taguchi Speech analysis and synthesis apparatus
US4335277A (en) * 1979-05-07 1982-06-15 Texas Instruments Incorporated Control interface system for use with a memory device executing variable length instructions

Also Published As

Publication number Publication date
EP0076234B1 (de) 1985-09-04
DE3266042D1 (en) 1985-10-10
US4618982A (en) 1986-10-21
CA1184656A (en) 1985-03-26
JPS5870300A (ja) 1983-04-26
EP0076234A1 (de) 1983-04-06

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Legal Events

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EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee