ATE512437T1 - Quellenabhängige codierung und decodierung mit mehreren codebüchern - Google Patents

Quellenabhängige codierung und decodierung mit mehreren codebüchern

Info

Publication number
ATE512437T1
ATE512437T1 AT06829172T AT06829172T ATE512437T1 AT E512437 T1 ATE512437 T1 AT E512437T1 AT 06829172 T AT06829172 T AT 06829172T AT 06829172 T AT06829172 T AT 06829172T AT E512437 T1 ATE512437 T1 AT E512437T1
Authority
AT
Austria
Prior art keywords
class
filter
source
frames
belonging
Prior art date
Application number
AT06829172T
Other languages
English (en)
Inventor
Paolo Massimino
Paolo Coppo
Marco Vecchietti
Original Assignee
Loquendo Spa
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 Loquendo Spa filed Critical Loquendo Spa
Application granted granted Critical
Publication of ATE512437T1 publication Critical patent/ATE512437T1/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
    • G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
    • 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
    • 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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G10L2015/025—Phonemes, fenemes or fenones being the recognition units
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06829172T 2006-11-29 2006-11-29 Quellenabhängige codierung und decodierung mit mehreren codebüchern ATE512437T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/011431 WO2008064697A1 (en) 2006-11-29 2006-11-29 Multicodebook source -dependent coding and decoding

Publications (1)

Publication Number Publication Date
ATE512437T1 true ATE512437T1 (de) 2011-06-15

Family

ID=38226531

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06829172T ATE512437T1 (de) 2006-11-29 2006-11-29 Quellenabhängige codierung und decodierung mit mehreren codebüchern

Country Status (6)

Country Link
US (1) US8447594B2 (de)
EP (1) EP2087485B1 (de)
AT (1) ATE512437T1 (de)
CA (1) CA2671068C (de)
ES (1) ES2366551T3 (de)
WO (1) WO2008064697A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8447594B2 (en) * 2006-11-29 2013-05-21 Loquendo S.P.A. Multicodebook source-dependent coding and decoding
US8005466B2 (en) * 2007-02-14 2011-08-23 Samsung Electronics Co., Ltd. Real time reproduction method of file being received according to non real time transfer protocol and a video apparatus thereof
JP5448344B2 (ja) * 2008-01-08 2014-03-19 株式会社Ｎｔｔドコモ 情報処理装置およびプログラム
CA3111501C (en) * 2011-09-26 2023-09-19 Sirius Xm Radio Inc. System and method for increasing transmission bandwidth efficiency ("ebt2")
US9361899B2 (en) * 2014-07-02 2016-06-07 Nuance Communications, Inc. System and method for compressed domain estimation of the signal to noise ratio of a coded speech signal

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9809820D0 (en) 1998-05-09 1998-07-08 Univ Manchester Speech encoding
JP3180762B2 (ja) * 1998-05-11 2001-06-25 日本電気株式会社 音声符号化装置及び音声復号化装置
ATE520122T1 (de) 1998-06-09 2011-08-15 Panasonic Corp Sprachkodierung und sprachdekodierung
US6330533B2 (en) * 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
US6493665B1 (en) * 1998-08-24 2002-12-10 Conexant Systems, Inc. Speech classification and parameter weighting used in codebook search
US6260010B1 (en) * 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
US6188980B1 (en) * 1998-08-24 2001-02-13 Conexant Systems, Inc. Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients
US6385573B1 (en) * 1998-08-24 2002-05-07 Conexant Systems, Inc. Adaptive tilt compensation for synthesized speech residual
US6104992A (en) * 1998-08-24 2000-08-15 Conexant Systems, Inc. Adaptive gain reduction to produce fixed codebook target signal
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
US6480822B2 (en) * 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US6173257B1 (en) * 1998-08-24 2001-01-09 Conexant Systems, Inc Completed fixed codebook for speech encoder
US6507814B1 (en) * 1998-08-24 2003-01-14 Conexant Systems, Inc. Pitch determination using speech classification and prior pitch estimation
GB2346785B (en) * 1998-09-15 2000-11-15 Motorola Ltd Speech coder for a communications system and method for operation thereof
SE521225C2 (sv) 1998-09-16 2003-10-14 Ericsson Telefon Ab L M Förfarande och anordning för CELP-kodning/avkodning
JP3180786B2 (ja) * 1998-11-27 2001-06-25 日本電気株式会社 音声符号化方法及び音声符号化装置
US6988065B1 (en) 1999-08-23 2006-01-17 Matsushita Electric Industrial Co., Ltd. Voice encoder and voice encoding method
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
WO2008007698A1 (en) * 2006-07-12 2008-01-17 Panasonic Corporation Lost frame compensating method, audio encoding apparatus and audio decoding apparatus
US8447594B2 (en) * 2006-11-29 2013-05-21 Loquendo S.P.A. Multicodebook source-dependent coding and decoding

Also Published As

Publication number Publication date
EP2087485A1 (de) 2009-08-12
US20100057448A1 (en) 2010-03-04
CA2671068C (en) 2015-06-30
CA2671068A1 (en) 2008-06-05
ES2366551T3 (es) 2011-10-21
US8447594B2 (en) 2013-05-21
EP2087485B1 (de) 2011-06-08
WO2008064697A1 (en) 2008-06-05

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