DE60017880D1 - Adaptive postfiltertechnik auf basis eines yule-walkerfilters - Google Patents

Adaptive postfiltertechnik auf basis eines yule-walkerfilters

Info

Publication number
DE60017880D1
DE60017880D1 DE60017880T DE60017880T DE60017880D1 DE 60017880 D1 DE60017880 D1 DE 60017880D1 DE 60017880 T DE60017880 T DE 60017880T DE 60017880 T DE60017880 T DE 60017880T DE 60017880 D1 DE60017880 D1 DE 60017880D1
Authority
DE
Germany
Prior art keywords
filter
walker
formants
technology based
yule
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
DE60017880T
Other languages
English (en)
Other versions
DE60017880T2 (de
Inventor
Azhar Mustapha
Suat Yeldener
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Application granted granted Critical
Publication of DE60017880D1 publication Critical patent/DE60017880D1/de
Publication of DE60017880T2 publication Critical patent/DE60017880T2/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
    • 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)
  • Filters That Use Time-Delay Elements (AREA)
  • Processing Of Color Television Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Noise Elimination (AREA)
DE60017880T 1999-03-12 2000-03-13 Adaptive postfiltertechnik auf basis eines yule-walkerfilters Expired - Lifetime DE60017880T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US266770 1994-06-28
US09/266,770 US6233552B1 (en) 1999-03-12 1999-03-12 Adaptive post-filtering technique based on the Modified Yule-Walker filter
PCT/US2000/003718 WO2000055845A1 (en) 1999-03-12 2000-03-13 An adaptive post-filtering technique based on the modified yule-walker filter

Publications (2)

Publication Number Publication Date
DE60017880D1 true DE60017880D1 (de) 2005-03-10
DE60017880T2 DE60017880T2 (de) 2006-01-12

Family

ID=23015937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60017880T Expired - Lifetime DE60017880T2 (de) 1999-03-12 2000-03-13 Adaptive postfiltertechnik auf basis eines yule-walkerfilters

Country Status (6)

Country Link
US (1) US6233552B1 (de)
EP (1) EP1163668B1 (de)
AT (1) ATE288616T1 (de)
AU (1) AU3858200A (de)
DE (1) DE60017880T2 (de)
WO (1) WO2000055845A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3785542B2 (ja) * 2003-02-25 2006-06-14 よこはまティーエルオー株式会社 パルス波形の生成方法
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
US8311812B2 (en) * 2009-12-01 2012-11-13 Eliza Corporation Fast and accurate extraction of formants for speech recognition using a plurality of complex filters in parallel
EP2737479B1 (de) * 2011-07-29 2017-01-18 Dts Llc Adaptive sprachverständlichkeitsverbesserung
US9576590B2 (en) * 2012-02-24 2017-02-21 Nokia Technologies Oy Noise adaptive post filtering
US20150162014A1 (en) * 2013-12-06 2015-06-11 Qualcomm Incorporated Systems and methods for enhancing an audio signal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764963A (en) 1983-04-12 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Speech pattern compression arrangement utilizing speech event identification
US5054085A (en) * 1983-05-18 1991-10-01 Speech Systems, Inc. Preprocessing system for speech recognition
NL8603163A (nl) * 1986-12-12 1988-07-01 Philips Nv Werkwijze en inrichting voor het afleiden van formantfrekwenties uit een gedeelte van een spraaksignaal.
US5235669A (en) * 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
DE69233502T2 (de) * 1991-06-11 2006-02-23 Qualcomm, Inc., San Diego Vocoder mit veränderlicher Bitrate
UA41913C2 (uk) 1993-11-30 2001-10-15 Ейті Енд Ті Корп. Спосіб шумозаглушення у системах зв'язку
WO1995018523A1 (en) 1993-12-23 1995-07-06 Philips Electronics N.V. Method and apparatus for encoding multibit coded digital sound through subtracting adaptive dither, inserting buried channel bits and filtering, and encoding and decoding apparatus for use with this method
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
US5675701A (en) * 1995-04-28 1997-10-07 Lucent Technologies Inc. Speech coding parameter smoothing method
US5729694A (en) * 1996-02-06 1998-03-17 The Regents Of The University Of California Speech coding, reconstruction and recognition using acoustics and electromagnetic waves
US6026357A (en) * 1996-05-15 2000-02-15 Advanced Micro Devices, Inc. First formant location determination and removal from speech correlation information for pitch detection
US6041297A (en) * 1997-03-10 2000-03-21 At&T Corp Vocoder for coding speech by using a correlation between spectral magnitudes and candidate excitations

Also Published As

Publication number Publication date
DE60017880T2 (de) 2006-01-12
AU3858200A (en) 2000-10-04
EP1163668A4 (de) 2004-03-31
US6233552B1 (en) 2001-05-15
ATE288616T1 (de) 2005-02-15
EP1163668A1 (de) 2001-12-19
WO2000055845A1 (en) 2000-09-21
EP1163668B1 (de) 2005-02-02

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