FI935423A - Foerfarande samt anordning foer kvantisering av excitationsfoerstaerkning i talkodare, som baserade pao syntesanalysteknik - Google Patents

Foerfarande samt anordning foer kvantisering av excitationsfoerstaerkning i talkodare, som baserade pao syntesanalysteknik Download PDF

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Publication number
FI935423A
FI935423A FI935423A FI935423A FI935423A FI 935423 A FI935423 A FI 935423A FI 935423 A FI935423 A FI 935423A FI 935423 A FI935423 A FI 935423A FI 935423 A FI935423 A FI 935423A
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FI
Finland
Prior art keywords
gain
index
subframe
quantizing
analysis technology
Prior art date
Application number
FI935423A
Other languages
English (en)
Finnish (fi)
Other versions
FI935423A0 (fi
FI115327B (sv
Inventor
Luca Cellario
Daniele Sereno
Original Assignee
Sip Societ Italiana Per L Eser
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 Sip Societ Italiana Per L Eser filed Critical Sip Societ Italiana Per L Eser
Publication of FI935423A0 publication Critical patent/FI935423A0/fi
Publication of FI935423A publication Critical patent/FI935423A/sv
Application granted granted Critical
Publication of FI115327B publication Critical patent/FI115327B/sv

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FI935423A 1992-12-04 1993-12-03 Förfarande samt anordning för kvantisering av excitationsförstärkningar i talkodare, som baserade på syntesanalysteknik FI115327B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO920982 1992-12-04
ITTO920982A IT1257431B (it) 1992-12-04 1992-12-04 Procedimento e dispositivo per la quantizzazione dei guadagni dell'eccitazione in codificatori della voce basati su tecniche di analisi per sintesi

Publications (3)

Publication Number Publication Date
FI935423A0 FI935423A0 (fi) 1993-12-03
FI935423A true FI935423A (sv) 1994-06-05
FI115327B FI115327B (sv) 2005-04-15

Family

ID=11410902

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935423A FI115327B (sv) 1992-12-04 1993-12-03 Förfarande samt anordning för kvantisering av excitationsförstärkningar i talkodare, som baserade på syntesanalysteknik

Country Status (10)

Country Link
US (1) US5519807A (sv)
EP (1) EP0600504B1 (sv)
JP (1) JP3204581B2 (sv)
AT (1) ATE172045T1 (sv)
CA (1) CA2110645C (sv)
DE (2) DE600504T1 (sv)
ES (1) ES2054606T3 (sv)
FI (1) FI115327B (sv)
GR (1) GR940300069T1 (sv)
IT (1) IT1257431B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW419645B (en) * 1996-05-24 2001-01-21 Koninkl Philips Electronics Nv A method for coding Human speech and an apparatus for reproducing human speech so coded
US6069940A (en) * 1997-09-19 2000-05-30 Siemens Information And Communication Networks, Inc. Apparatus and method for adding a subject line to voice mail messages
US6370238B1 (en) 1997-09-19 2002-04-09 Siemens Information And Communication Networks Inc. System and method for improved user interface in prompting systems
US6584181B1 (en) 1997-09-19 2003-06-24 Siemens Information & Communication Networks, Inc. System and method for organizing multi-media messages folders from a displayless interface and selectively retrieving information using voice labels
SE519563C2 (sv) * 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
DE60214027T2 (de) * 2001-11-14 2007-02-15 Matsushita Electric Industrial Co., Ltd., Kadoma Kodiervorrichtung und dekodiervorrichtung
DE10249386B3 (de) * 2002-10-23 2004-07-08 Pingo Erzeugnisse Gmbh Mittel zur präventiven und abwehrenden Bekämpfung von Metallbränden
US7542899B2 (en) * 2003-09-30 2009-06-02 Alcatel-Lucent Usa Inc. Method and apparatus for adjusting the level of a speech signal in its encoded format
US8265929B2 (en) * 2004-12-08 2012-09-11 Electronics And Telecommunications Research Institute Embedded code-excited linear prediction speech coding and decoding apparatus and method
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
MY164399A (en) * 2009-10-20 2017-12-15 Fraunhofer Ges Forschung Multi-mode audio codec and celp coding adapted therefore
US10373608B2 (en) * 2015-10-22 2019-08-06 Texas Instruments Incorporated Time-based frequency tuning of analog-to-information feature extraction

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1229681A (en) * 1984-03-06 1987-11-24 Kazunori Ozawa Method and apparatus for speech-band signal coding
US4704730A (en) * 1984-03-12 1987-11-03 Allophonix, Inc. Multi-state speech encoder and decoder
CA1255802A (en) * 1984-07-05 1989-06-13 Kazunori Ozawa Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses
JPS6332599A (ja) * 1986-07-25 1988-02-12 松下電器産業株式会社 音声符号化装置
US4771465A (en) * 1986-09-11 1988-09-13 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech sinusoidal vocoder with transmission of only subset of harmonics
US4803730A (en) * 1986-10-31 1989-02-07 American Telephone And Telegraph Company, At&T Bell Laboratories Fast significant sample detection for a pitch detector
DE68912692T2 (de) * 1988-09-21 1994-05-26 Nippon Electric Co Zur Sprachqualitätsmodifizierung geeignetes Übertragungssystem durch Klassifizierung der Sprachsignale.
EP0422232B1 (en) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
IT1232084B (it) * 1989-05-03 1992-01-23 Cselt Centro Studi Lab Telecom Sistema di codifica per segnali audio a banda allargata
US5144671A (en) * 1990-03-15 1992-09-01 Gte Laboratories Incorporated Method for reducing the search complexity in analysis-by-synthesis coding
DE69129329T2 (de) * 1990-09-14 1998-09-24 Fujitsu Ltd Sprachkodierungsystem
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients

Also Published As

Publication number Publication date
DE69321444T2 (de) 1999-04-22
FI935423A0 (fi) 1993-12-03
CA2110645C (en) 1998-06-16
JPH06348300A (ja) 1994-12-22
DE600504T1 (de) 1994-12-08
IT1257431B (it) 1996-01-16
EP0600504B1 (en) 1998-10-07
CA2110645A1 (en) 1994-06-05
ES2054606T3 (es) 1998-12-16
ITTO920982A0 (it) 1992-12-04
GR940300069T1 (en) 1994-10-31
FI115327B (sv) 2005-04-15
JP3204581B2 (ja) 2001-09-04
ITTO920982A1 (it) 1994-06-04
ATE172045T1 (de) 1998-10-15
DE69321444D1 (de) 1998-11-12
EP0600504A1 (en) 1994-06-08
US5519807A (en) 1996-05-21
ES2054606T1 (es) 1994-08-16

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