AU2001284329A1 - Speech coding exploiting a power ratio of different speech signal components - Google Patents

Speech coding exploiting a power ratio of different speech signal components

Info

Publication number
AU2001284329A1
AU2001284329A1 AU2001284329A AU8432901A AU2001284329A1 AU 2001284329 A1 AU2001284329 A1 AU 2001284329A1 AU 2001284329 A AU2001284329 A AU 2001284329A AU 8432901 A AU8432901 A AU 8432901A AU 2001284329 A1 AU2001284329 A1 AU 2001284329A1
Authority
AU
Australia
Prior art keywords
signal components
power ratio
speech
different
speech signal
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.)
Abandoned
Application number
AU2001284329A
Inventor
Jani Nurminen
Mikko Tammi
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of AU2001284329A1 publication Critical patent/AU2001284329A1/en
Abandoned legal-status Critical Current

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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/097—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2001284329A 2000-09-20 2001-08-31 Speech coding exploiting a power ratio of different speech signal components Abandoned AU2001284329A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/666,971 US6801887B1 (en) 2000-09-20 2000-09-20 Speech coding exploiting the power ratio of different speech signal components
US09666971 2000-09-20
PCT/IB2001/001599 WO2002025639A1 (en) 2000-09-20 2001-08-31 Speech coding exploiting a power ratio of different speech signal components

Publications (1)

Publication Number Publication Date
AU2001284329A1 true AU2001284329A1 (en) 2002-04-02

Family

ID=24676290

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001284329A Abandoned AU2001284329A1 (en) 2000-09-20 2001-08-31 Speech coding exploiting a power ratio of different speech signal components

Country Status (3)

Country Link
US (1) US6801887B1 (en)
AU (1) AU2001284329A1 (en)
WO (1) WO2002025639A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1568431A (en) 2001-08-13 2005-01-19 霍尼韦尔国际公司 Systems for wafer level burn-in of electronic devices
US7899667B2 (en) * 2006-06-19 2011-03-01 Electronics And Telecommunications Research Institute Waveform interpolation speech coding apparatus and method for reducing complexity thereof
JP2008058667A (en) * 2006-08-31 2008-03-13 Sony Corp Signal processing apparatus and method, recording medium, and program
US8355921B2 (en) * 2008-06-13 2013-01-15 Nokia Corporation Method, apparatus and computer program product for providing improved audio processing
CN101983402B (en) * 2008-09-16 2012-06-27 松下电器产业株式会社 Speech analyzing apparatus, speech analyzing/synthesizing apparatus, correction rule information generating apparatus, speech analyzing system, speech analyzing method, correction rule information and generating method
US20110246187A1 (en) * 2008-12-16 2011-10-06 Koninklijke Philips Electronics N.V. Speech signal processing
WO2011094710A2 (en) * 2010-01-29 2011-08-04 Carol Espy-Wilson Systems and methods for speech extraction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5884253A (en) 1992-04-09 1999-03-16 Lucent Technologies, Inc. Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter
CN1099777C (en) 1993-06-30 2003-01-22 索尼公司 Digital signal encoding device, its decoding device, and its recording medium
DE69426860T2 (en) 1993-12-10 2001-07-19 Nec Corp Speech coder and method for searching codebooks
US5517595A (en) 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5774846A (en) * 1994-12-19 1998-06-30 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
US5903866A (en) 1997-03-10 1999-05-11 Lucent Technologies Inc. Waveform interpolation speech coding using splines
US6266644B1 (en) 1998-09-26 2001-07-24 Liquid Audio, Inc. Audio encoding apparatus and methods
US6418408B1 (en) 1999-04-05 2002-07-09 Hughes Electronics Corporation Frequency domain interpolative speech codec system
US6604070B1 (en) 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals

Also Published As

Publication number Publication date
WO2002025639A1 (en) 2002-03-28
US6801887B1 (en) 2004-10-05

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