FR2891100B1 - Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie. - Google Patents

Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.

Info

Publication number
FR2891100B1
FR2891100B1 FR0607091A FR0607091A FR2891100B1 FR 2891100 B1 FR2891100 B1 FR 2891100B1 FR 0607091 A FR0607091 A FR 0607091A FR 0607091 A FR0607091 A FR 0607091A FR 2891100 B1 FR2891100 B1 FR 2891100B1
Authority
FR
France
Prior art keywords
plot
decomposition
fourier transformation
audio codec
energy based
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.)
Active
Application number
FR0607091A
Other languages
English (en)
Other versions
FR2891100A1 (fr
Inventor
Georges Samake
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR0509677A external-priority patent/FR2891099B3/fr
Application filed by Individual filed Critical Individual
Priority to FR0607091A priority Critical patent/FR2891100B1/fr
Priority to US11/532,563 priority patent/US20070094015A1/en
Publication of FR2891100A1 publication Critical patent/FR2891100A1/fr
Application granted granted Critical
Publication of FR2891100B1 publication Critical patent/FR2891100B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3053—Block-companding PCM systems
FR0607091A 2005-09-22 2006-08-03 Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie. Active FR2891100B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0607091A FR2891100B1 (fr) 2005-09-22 2006-08-03 Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.
US11/532,563 US20070094015A1 (en) 2005-09-22 2006-09-18 Audio codec using the Fast Fourier Transform, the partial overlap and a decomposition in two plans based on the energy.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0509677A FR2891099B3 (fr) 2005-09-22 2005-09-22 Codec audio utilisant la transformation de fourier rapide et une decomposition en deux plans basee sur l'energie.
FR0607091A FR2891100B1 (fr) 2005-09-22 2006-08-03 Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.

Publications (2)

Publication Number Publication Date
FR2891100A1 FR2891100A1 (fr) 2007-03-23
FR2891100B1 true FR2891100B1 (fr) 2008-10-10

Family

ID=37831794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0607091A Active FR2891100B1 (fr) 2005-09-22 2006-08-03 Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie.

Country Status (2)

Country Link
US (1) US20070094015A1 (fr)
FR (1) FR2891100B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US8391212B2 (en) * 2009-05-05 2013-03-05 Huawei Technologies Co., Ltd. System and method for frequency domain audio post-processing based on perceptual masking
FR3049799A1 (fr) * 2016-03-29 2017-10-06 Georges Samake Compression d'images, de sequences d'images et de videos a l'aide de la transformation de fourier rapide et de methodes unidimensionnelles
FR3093600B1 (fr) 2019-03-10 2021-08-20 Georges Samake Procédés d'utilisation des phases pour réduire les largeurs de bande ou pour transporter des données avec des codecs multimédia n'utilisant que les magnitudes ou amplitudes
US11863367B2 (en) * 2021-08-20 2024-01-02 Georges Samake Methods of using phases to reduce bandwidths or to transport data with multimedia codecs using only magnitudes or amplitudes

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550738A (en) * 1978-10-05 1980-04-12 Nec Corp Decoding method of adaptability forecasting type differential pulse code and its unit
US4751736A (en) * 1985-01-31 1988-06-14 Communications Satellite Corporation Variable bit rate speech codec with backward-type prediction and quantization
US4776014A (en) * 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
DE59008047D1 (de) * 1989-03-06 1995-02-02 Bosch Gmbh Robert Verfahren zur Datenreduktion bei digitalen Tonsignalen und zur genäherten Rückgewinnung der digitalen Tonsignale.
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
CA2105269C (fr) * 1992-10-09 1998-08-25 Yair Shoham Technique d'interpolation temps-frequence pouvant s'appliquer au codage de la parole en regime lent
EP0653846B1 (fr) * 1993-05-31 2001-12-19 Sony Corporation Appareil et procede de codage ou decodage de signaux, et support d'enregistrement
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
JP3277692B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 情報符号化方法、情報復号化方法及び情報記録媒体
TW295747B (fr) * 1994-06-13 1997-01-11 Sony Co Ltd
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
JP3491425B2 (ja) * 1996-01-30 2004-01-26 ソニー株式会社 信号符号化方法
TW384434B (en) * 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
GB2326572A (en) * 1997-06-19 1998-12-23 Softsound Limited Low bit rate audio coder and decoder
US6263312B1 (en) * 1997-10-03 2001-07-17 Alaris, Inc. Audio compression and decompression employing subband decomposition of residual signal and distortion reduction
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
US20020147753A1 (en) * 2001-01-30 2002-10-10 Cirrus Logic, Inc. Methods and systems for raising a numerical value to a fractional power
US7136418B2 (en) * 2001-05-03 2006-11-14 University Of Washington Scalable and perceptually ranked signal coding and decoding
US20030187663A1 (en) * 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
AU2003274524A1 (en) * 2002-11-27 2004-06-18 Koninklijke Philips Electronics N.V. Sinusoidal audio coding
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder

Also Published As

Publication number Publication date
FR2891100A1 (fr) 2007-03-23
US20070094015A1 (en) 2007-04-26

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