JP3964144B2 - 入力信号をボコーディングする方法と装置 - Google Patents

入力信号をボコーディングする方法と装置 Download PDF

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Publication number
JP3964144B2
JP3964144B2 JP2001036935A JP2001036935A JP3964144B2 JP 3964144 B2 JP3964144 B2 JP 3964144B2 JP 2001036935 A JP2001036935 A JP 2001036935A JP 2001036935 A JP2001036935 A JP 2001036935A JP 3964144 B2 JP3964144 B2 JP 3964144B2
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signal
pulse
track
receiver
input
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JP2001265397A (ja
JP2001265397A5 (enExample
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エイ、ベノ スティーブン
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ルーセント テクノロジーズ インコーポレーテッド
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    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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  • 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)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2001036935A 2000-02-15 2001-02-14 入力信号をボコーディングする方法と装置 Expired - Fee Related JP3964144B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/504626 2000-02-15
US09/504,626 US6539349B1 (en) 2000-02-15 2000-02-15 Constraining pulse positions in CELP vocoding

Publications (3)

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JP2001265397A JP2001265397A (ja) 2001-09-28
JP2001265397A5 JP2001265397A5 (enExample) 2004-10-14
JP3964144B2 true JP3964144B2 (ja) 2007-08-22

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JP2001036935A Expired - Fee Related JP3964144B2 (ja) 2000-02-15 2001-02-14 入力信号をボコーディングする方法と装置

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US (1) US6539349B1 (enExample)
EP (1) EP1132893A3 (enExample)
JP (1) JP3964144B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728669B1 (en) * 2000-08-07 2004-04-27 Lucent Technologies Inc. Relative pulse position in celp vocoding
US6980948B2 (en) * 2000-09-15 2005-12-27 Mindspeed Technologies, Inc. System of dynamic pulse position tracks for pulse-like excitation in speech coding
US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
TW200629870A (en) * 2005-02-03 2006-08-16 Cal Comp Electronics & Comm Co Multifunctional portable electronic apparatus with digital answering and method thereof
BRPI0520115B1 (pt) * 2005-03-09 2018-07-17 Ericsson Telefon Ab L M métodos para codificar e para decodificar sinais de áudio e codificador e decodificador para sinais de áudio
US20080320088A1 (en) * 2007-06-19 2008-12-25 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Helping valuable message content pass apparent message filtering
US9374242B2 (en) * 2007-11-08 2016-06-21 Invention Science Fund I, Llc Using evaluations of tentative message content
US8682982B2 (en) * 2007-06-19 2014-03-25 The Invention Science Fund I, Llc Preliminary destination-dependent evaluation of message content
US8984133B2 (en) * 2007-06-19 2015-03-17 The Invention Science Fund I, Llc Providing treatment-indicative feedback dependent on putative content treatment
US7930389B2 (en) * 2007-11-20 2011-04-19 The Invention Science Fund I, Llc Adaptive filtering of annotated messages or the like
EP2763137B1 (en) * 2011-09-28 2016-09-14 LG Electronics Inc. Voice signal encoding method and voice signal decoding method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1219079A (en) * 1983-06-27 1987-03-10 Tetsu Taguchi Multi-pulse type vocoder
BR9006761A (pt) 1989-05-11 1991-08-13 Ericsson Telefon Ab L M Processo para posicionar pulsos de excitacao para um codificador de predicao linear
TW326070B (en) * 1996-12-19 1998-02-01 Holtek Microelectronics Inc The estimation method of the impulse gain for coding vocoder
US6260010B1 (en) * 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
EP1112625B1 (en) 1998-09-11 2006-05-31 Motorola, Inc. Method for coding an information signal

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Publication number Publication date
US6539349B1 (en) 2003-03-25
JP2001265397A (ja) 2001-09-28
EP1132893A3 (en) 2002-10-16
EP1132893A2 (en) 2001-09-12

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