DE4397106T1 - Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung - Google Patents

Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung

Info

Publication number
DE4397106T1
DE4397106T1 DE4397106T DE4397106T DE4397106T1 DE 4397106 T1 DE4397106 T1 DE 4397106T1 DE 4397106 T DE4397106 T DE 4397106T DE 4397106 T DE4397106 T DE 4397106T DE 4397106 T1 DE4397106 T1 DE 4397106T1
Authority
DE
Germany
Prior art keywords
tree structure
vector quantization
fast method
quantization based
fast
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.)
Pending
Application number
DE4397106T
Other languages
English (en)
Other versions
DE4397106B4 (de
Inventor
Alejandro Acero
Kai-Fu Lee
Yen-Lu Chow
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.)
Apple Inc
Original Assignee
Apple Computer 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 Apple Computer Inc filed Critical Apple Computer Inc
Publication of DE4397106T1 publication Critical patent/DE4397106T1/de
Pending 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
DE4397106T 1992-12-31 1993-12-29 Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung Pending DE4397106T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/999,354 US5734791A (en) 1992-12-31 1992-12-31 Rapid tree-based method for vector quantization
PCT/US1993/012637 WO1994016436A1 (en) 1992-12-31 1993-12-29 A rapid tree-based method for vector quantization

Publications (1)

Publication Number Publication Date
DE4397106T1 true DE4397106T1 (de) 1995-12-07

Family

ID=25546235

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4397106T Pending DE4397106T1 (de) 1992-12-31 1993-12-29 Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung
DE4397106A Expired - Lifetime DE4397106B4 (de) 1992-12-31 1993-12-29 Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4397106A Expired - Lifetime DE4397106B4 (de) 1992-12-31 1993-12-29 Schnelles auf einer Baumstruktur basierendes Verfahren zur Vektorquantisierung

Country Status (5)

Country Link
US (1) US5734791A (de)
AU (1) AU5961794A (de)
CA (1) CA2151372C (de)
DE (2) DE4397106T1 (de)
WO (1) WO1994016436A1 (de)

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Also Published As

Publication number Publication date
DE4397106B4 (de) 2004-09-30
CA2151372C (en) 2005-04-19
US5734791A (en) 1998-03-31
AU5961794A (en) 1994-08-15
WO1994016436A1 (en) 1994-07-21
CA2151372A1 (en) 1994-07-21

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