DE3782025D1 - Verfahren zur verbesserung der qualitaet kodierter sprache. - Google Patents

Verfahren zur verbesserung der qualitaet kodierter sprache.

Info

Publication number
DE3782025D1
DE3782025D1 DE8787117576T DE3782025T DE3782025D1 DE 3782025 D1 DE3782025 D1 DE 3782025D1 DE 8787117576 T DE8787117576 T DE 8787117576T DE 3782025 T DE3782025 T DE 3782025T DE 3782025 D1 DE3782025 D1 DE 3782025D1
Authority
DE
Germany
Prior art keywords
improving
quality
encoded language
encoded
language
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
DE8787117576T
Other languages
English (en)
Other versions
DE3782025T2 (de
Inventor
Dale E Veeneman
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
Application filed by GTE Laboratories Inc filed Critical GTE Laboratories Inc
Application granted granted Critical
Publication of DE3782025D1 publication Critical patent/DE3782025D1/de
Publication of DE3782025T2 publication Critical patent/DE3782025T2/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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
DE8787117576T 1986-12-16 1987-11-27 Verfahren zur verbesserung der qualitaet kodierter sprache. Expired - Lifetime DE3782025T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/942,300 US4852169A (en) 1986-12-16 1986-12-16 Method for enhancing the quality of coded speech

Publications (2)

Publication Number Publication Date
DE3782025D1 true DE3782025D1 (de) 1992-11-05
DE3782025T2 DE3782025T2 (de) 1993-02-18

Family

ID=25477882

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787117576T Expired - Lifetime DE3782025T2 (de) 1986-12-16 1987-11-27 Verfahren zur verbesserung der qualitaet kodierter sprache.

Country Status (4)

Country Link
US (1) US4852169A (de)
EP (1) EP0275416B1 (de)
CA (1) CA1277720C (de)
DE (1) DE3782025T2 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU620384B2 (en) * 1988-03-28 1992-02-20 Nec Corporation Linear predictive speech analysis-synthesis apparatus
JPH0218598A (ja) * 1988-07-06 1990-01-22 Hitachi Ltd 音声分析装置
GB2230132B (en) * 1988-11-19 1993-06-23 Sony Corp Signal recording method
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
DE69033011T2 (de) * 1989-10-17 2001-10-04 Motorola Inc Digitaler sprachdekodierer unter verwendung einer nachfilterung mit einer reduzierten spektralverzerrung
US5241650A (en) * 1989-10-17 1993-08-31 Motorola, Inc. Digital speech decoder having a postfilter with reduced spectral distortion
JP2751604B2 (ja) * 1990-09-07 1998-05-18 松下電器産業株式会社 音声信号処理装置と音声信号処理方法
DE69228211T2 (de) * 1991-08-09 1999-07-08 Koninkl Philips Electronics Nv Verfahren und Apparat zur Handhabung von Höhe und Dauer eines physikalischen Audiosignals
DE69231266T2 (de) * 1991-08-09 2001-03-15 Koninkl Philips Electronics Nv Verfahren und Gerät zur Manipulation der Dauer eines physikalischen Audiosignals und eine Darstellung eines solchen physikalischen Audiosignals enthaltendes Speichermedium
US5353372A (en) * 1992-01-27 1994-10-04 The Board Of Trustees Of The Leland Stanford Junior University Accurate pitch measurement and tracking system and method
US5590241A (en) * 1993-04-30 1996-12-31 Motorola Inc. Speech processing system and method for enhancing a speech signal in a noisy environment
US5577117A (en) * 1994-06-09 1996-11-19 Northern Telecom Limited Methods and apparatus for estimating and adjusting the frequency response of telecommunications channels
US5933808A (en) * 1995-11-07 1999-08-03 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for generating modified speech from pitch-synchronous segmented speech waveforms
DE19643900C1 (de) * 1996-10-30 1998-02-12 Ericsson Telefon Ab L M Nachfiltern von Hörsignalen, speziell von Sprachsignalen
US5987320A (en) * 1997-07-17 1999-11-16 Llc, L.C.C. Quality measurement method and apparatus for wireless communicaion networks
JP4505899B2 (ja) * 1999-10-26 2010-07-21 ソニー株式会社 再生速度変換装置及び方法
US6738739B2 (en) * 2001-02-15 2004-05-18 Mindspeed Technologies, Inc. Voiced speech preprocessing employing waveform interpolation or a harmonic model
US7653127B2 (en) * 2004-03-02 2010-01-26 Xilinx, Inc. Bit-edge zero forcing equalizer
US8543390B2 (en) 2004-10-26 2013-09-24 Qnx Software Systems Limited Multi-channel periodic signal enhancement system
US8306821B2 (en) 2004-10-26 2012-11-06 Qnx Software Systems Limited Sub-band periodic signal enhancement system
US7680652B2 (en) 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
EP1653445A1 (de) * 2004-10-26 2006-05-03 Harman Becker Automotive Systems-Wavemakers, Inc. System zur Verbesserung periodischer Signale
US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
US8170879B2 (en) 2004-10-26 2012-05-01 Qnx Software Systems Limited Periodic signal enhancement system
US7716046B2 (en) 2004-10-26 2010-05-11 Qnx Software Systems (Wavemakers), Inc. Advanced periodic signal enhancement
WO2007086365A1 (ja) * 2006-01-24 2007-08-02 Matsushita Electric Industrial Co., Ltd. 変換装置
US8850154B2 (en) 2007-09-11 2014-09-30 2236008 Ontario Inc. Processing system having memory partitioning
US8904400B2 (en) 2007-09-11 2014-12-02 2236008 Ontario Inc. Processing system having a partitioning component for resource partitioning
US8694310B2 (en) 2007-09-17 2014-04-08 Qnx Software Systems Limited Remote control server protocol system
US8209514B2 (en) 2008-02-04 2012-06-26 Qnx Software Systems Limited Media processing system having resource partitioning

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134303A (en) * 1976-05-06 1977-11-10 Tadamutsu Hirata Device for processing audio pitch correcting signal
GB1601811A (en) * 1977-02-22 1981-11-04 Morling R C S Signal processing
CH604409A5 (de) * 1977-05-17 1978-09-15 Landis & Gyr Ag
JPS6054680B2 (ja) * 1981-07-16 1985-11-30 カシオ計算機株式会社 Ｌｓｐ音声合成装置

Also Published As

Publication number Publication date
US4852169A (en) 1989-07-25
EP0275416B1 (de) 1992-09-30
DE3782025T2 (de) 1993-02-18
EP0275416A1 (de) 1988-07-27
CA1277720C (en) 1990-12-11

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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