ATE433183T1 - Sprachdekodierung - Google Patents

Sprachdekodierung

Info

Publication number
ATE433183T1
ATE433183T1 AT06076855T AT06076855T ATE433183T1 AT E433183 T1 ATE433183 T1 AT E433183T1 AT 06076855 T AT06076855 T AT 06076855T AT 06076855 T AT06076855 T AT 06076855T AT E433183 T1 ATE433183 T1 AT E433183T1
Authority
AT
Austria
Prior art keywords
bits
bit stream
voicing
pitch
information
Prior art date
Application number
AT06076855T
Other languages
German (de)
English (en)
Inventor
John C Hardwick
Original Assignee
Digital Voice Systems 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 Digital Voice Systems Inc filed Critical Digital Voice Systems Inc
Application granted granted Critical
Publication of ATE433183T1 publication Critical patent/ATE433183T1/de

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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Led Device Packages (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT06076855T 2003-04-01 2004-03-26 Sprachdekodierung ATE433183T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/402,938 US8359197B2 (en) 2003-04-01 2003-04-01 Half-rate vocoder

Publications (1)

Publication Number Publication Date
ATE433183T1 true ATE433183T1 (de) 2009-06-15

Family

ID=32850558

Family Applications (2)

Application Number Title Priority Date Filing Date
AT06076855T ATE433183T1 (de) 2003-04-01 2004-03-26 Sprachdekodierung
AT04251796T ATE348387T1 (de) 2003-04-01 2004-03-26 Halbrätiger vocoder

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04251796T ATE348387T1 (de) 2003-04-01 2004-03-26 Halbrätiger vocoder

Country Status (6)

Country Link
US (2) US8359197B2 (https=)
EP (2) EP1465158B1 (https=)
JP (1) JP2004310088A (https=)
AT (2) ATE433183T1 (https=)
CA (1) CA2461704C (https=)
DE (2) DE602004003610T2 (https=)

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US8036600B2 (en) 2009-04-27 2011-10-11 Airbiquity, Inc. Using a bluetooth capable mobile phone to access a remote network
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US8452606B2 (en) * 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
US8249865B2 (en) * 2009-11-23 2012-08-21 Airbiquity Inc. Adaptive data transmission for a digital in-band modem operating over a voice channel
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KR101247652B1 (ko) * 2011-08-30 2013-04-01 광주과학기술원 잡음 제거 장치 및 방법
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US11270714B2 (en) 2020-01-08 2022-03-08 Digital Voice Systems, Inc. Speech coding using time-varying interpolation
US12254895B2 (en) * 2021-07-02 2025-03-18 Digital Voice Systems, Inc. Detecting and compensating for the presence of a speaker mask in a speech signal
US11990144B2 (en) 2021-07-28 2024-05-21 Digital Voice Systems, Inc. Reducing perceived effects of non-voice data in digital speech
US12451151B2 (en) * 2022-04-08 2025-10-21 Digital Voice Systems, Inc. Tone frame detector for digital speech
US12462814B2 (en) 2023-10-06 2025-11-04 Digital Voice Systems, Inc. Bit error correction in digital speech

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US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder

Also Published As

Publication number Publication date
EP1748425A3 (en) 2007-05-09
DE602004021438D1 (de) 2009-07-16
US20130144613A1 (en) 2013-06-06
US8595002B2 (en) 2013-11-26
US8359197B2 (en) 2013-01-22
EP1748425A2 (en) 2007-01-31
EP1465158B1 (en) 2006-12-13
DE602004003610D1 (de) 2007-01-25
DE602004003610T2 (de) 2007-04-05
CA2461704A1 (en) 2004-10-01
EP1465158A3 (en) 2005-09-21
EP1465158A2 (en) 2004-10-06
CA2461704C (en) 2010-12-21
US20050278169A1 (en) 2005-12-15
JP2004310088A (ja) 2004-11-04
EP1748425B1 (en) 2009-06-03
ATE348387T1 (de) 2007-01-15

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