DE69613910T2 - Adaptives, auf der Grundlage eines Kodebuchs arbeitendes Sprachkompressionssystem - Google Patents

Adaptives, auf der Grundlage eines Kodebuchs arbeitendes Sprachkompressionssystem

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Publication number
DE69613910T2
DE69613910T2 DE69613910T DE69613910T DE69613910T2 DE 69613910 T2 DE69613910 T2 DE 69613910T2 DE 69613910 T DE69613910 T DE 69613910T DE 69613910 T DE69613910 T DE 69613910T DE 69613910 T2 DE69613910 T2 DE 69613910T2
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DE
Germany
Prior art keywords
codebook
system based
compression system
speech compression
adaptive speech
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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
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DE69613910T
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English (en)
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DE69613910D1 (de
Inventor
Peter Kroon
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BlackBerry Ltd
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AT&T Corp
AT&T IPM Corp
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23917151&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69613910(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Publication of DE69613910D1 publication Critical patent/DE69613910D1/de
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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
DE69613910T 1995-06-07 1996-05-29 Adaptives, auf der Grundlage eines Kodebuchs arbeitendes Sprachkompressionssystem Expired - Lifetime DE69613910T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/482,715 US5664055A (en) 1995-06-07 1995-06-07 CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity

Publications (2)

Publication Number Publication Date
DE69613910D1 DE69613910D1 (de) 2001-08-23
DE69613910T2 true DE69613910T2 (de) 2002-04-04

Family

ID=23917151

Family Applications (1)

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DE69613910T Expired - Lifetime DE69613910T2 (de) 1995-06-07 1996-05-29 Adaptives, auf der Grundlage eines Kodebuchs arbeitendes Sprachkompressionssystem

Country Status (8)

Country Link
US (1) US5664055A (de)
EP (1) EP0749110B1 (de)
JP (1) JP3272953B2 (de)
KR (1) KR100433608B1 (de)
AU (1) AU700205B2 (de)
CA (1) CA2177414C (de)
DE (1) DE69613910T2 (de)
ES (1) ES2163590T3 (de)

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MX9602143A (es) 1997-09-30
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KR100433608B1 (ko) 2004-08-30
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EP0749110A2 (de) 1996-12-18
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JPH09120299A (ja) 1997-05-06
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JP3272953B2 (ja) 2002-04-08
KR970004369A (ko) 1997-01-29
AU700205B2 (en) 1998-12-24
US5664055A (en) 1997-09-02
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