DE60310716D1 - System für die audiokodierung mit füllung von spektralen lücken - Google Patents

System für die audiokodierung mit füllung von spektralen lücken

Info

Publication number
DE60310716D1
DE60310716D1 DE60310716T DE60310716T DE60310716D1 DE 60310716 D1 DE60310716 D1 DE 60310716D1 DE 60310716 T DE60310716 T DE 60310716T DE 60310716 T DE60310716 T DE 60310716T DE 60310716 D1 DE60310716 D1 DE 60310716D1
Authority
DE
Germany
Prior art keywords
spectral components
generating
signal
subband signals
subband
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
DE60310716T
Other languages
English (en)
Other versions
DE60310716T2 (de
DE60310716T8 (de
Inventor
Mead Truman
Allen Davidson
Conrad Fellers
Stuart Vinton
Aubrey Watson
Quito Robinson
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Application granted granted Critical
Publication of DE60310716D1 publication Critical patent/DE60310716D1/de
Publication of DE60310716T2 publication Critical patent/DE60310716T2/de
Publication of DE60310716T8 publication Critical patent/DE60310716T8/de
Active 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
DE60310716T 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken Active DE60310716T8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
US174493 2002-06-17
PCT/US2003/017078 WO2003107328A1 (en) 2002-06-17 2003-05-30 Audio coding system using spectral hole filling

Publications (3)

Publication Number Publication Date
DE60310716D1 true DE60310716D1 (de) 2007-02-08
DE60310716T2 DE60310716T2 (de) 2007-10-11
DE60310716T8 DE60310716T8 (de) 2008-01-31

Family

ID=29733607

Family Applications (3)

Application Number Title Priority Date Filing Date
DE60310716T Active DE60310716T8 (de) 2002-06-17 2003-05-30 System für die audiokodierung mit füllung von spektralen lücken
DE60333316T Expired - Lifetime DE60333316D1 (de) 2002-06-17 2003-05-30 Verfahren zur Erzeugung von Toninformationen
DE60332833T Expired - Lifetime DE60332833D1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE60333316T Expired - Lifetime DE60333316D1 (de) 2002-06-17 2003-05-30 Verfahren zur Erzeugung von Toninformationen
DE60332833T Expired - Lifetime DE60332833D1 (de) 2002-06-17 2003-06-09 Audiocodierungssystem, das eigenschaften eines decodierten signals zur anpassung synthetisierter spektralkomponenten verwendet

Country Status (20)

Country Link
US (4) US7447631B2 (de)
EP (6) EP1736966B1 (de)
JP (6) JP4486496B2 (de)
KR (5) KR100991448B1 (de)
CN (1) CN100369109C (de)
AT (7) ATE536615T1 (de)
CA (6) CA2736046A1 (de)
DE (3) DE60310716T8 (de)
DK (3) DK1514261T3 (de)
ES (1) ES2275098T3 (de)
HK (6) HK1070729A1 (de)
IL (2) IL165650A (de)
MX (1) MXPA04012539A (de)
MY (2) MY159022A (de)
PL (1) PL208344B1 (de)
PT (1) PT2216777E (de)
SG (3) SG177013A1 (de)
SI (2) SI2209115T1 (de)
TW (1) TWI352969B (de)
WO (1) WO2003107328A1 (de)

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