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 PDFInfo
- 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
- Authority
- FI
- Finland
- Prior art keywords
- gain
- index
- subframe
- quantizing
- analysis technology
- Prior art date
Links
- 230000005284 excitation Effects 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000003786 synthesis reaction Methods 0.000 title abstract 2
- 238000013139 quantization Methods 0.000 abstract 1
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
- G10L19/04—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
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- 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
- G10L19/12—Determination 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)
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)
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)
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 |
-
1992
- 1992-12-04 IT ITTO920982A patent/IT1257431B/it active IP Right Grant
-
1993
- 1993-10-12 US US08/135,298 patent/US5519807A/en not_active Expired - Lifetime
- 1993-12-02 JP JP32962093A patent/JP3204581B2/ja not_active Expired - Lifetime
- 1993-12-03 ES ES93119522T patent/ES2054606T3/es not_active Expired - Lifetime
- 1993-12-03 FI FI935423A patent/FI115327B/sv not_active IP Right Cessation
- 1993-12-03 CA CA002110645A patent/CA2110645C/en not_active Expired - Lifetime
- 1993-12-03 EP EP93119522A patent/EP0600504B1/en not_active Expired - Lifetime
- 1993-12-03 AT AT93119522T patent/ATE172045T1/de active
- 1993-12-03 DE DE0600504T patent/DE600504T1/de active Pending
- 1993-12-03 DE DE69321444T patent/DE69321444T2/de not_active Expired - Lifetime
-
1994
- 1994-10-31 GR GR940300069T patent/GR940300069T1/el unknown
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: TELECOM ITALIA MOBILE S.P.A. |
|
FG | Patent granted |
Ref document number: 115327 Country of ref document: FI |
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MA | Patent expired |