AR000436A1 - Método y aparato para generar y codificar raices cuadradas de lineas espectrales - Google Patents
Método y aparato para generar y codificar raices cuadradas de lineas espectralesInfo
- Publication number
- AR000436A1 AR000436A1 AR33770196A AR33770196A AR000436A1 AR 000436 A1 AR000436 A1 AR 000436A1 AR 33770196 A AR33770196 A AR 33770196A AR 33770196 A AR33770196 A AR 33770196A AR 000436 A1 AR000436 A1 AR 000436A1
- Authority
- AR
- Argentina
- Prior art keywords
- spectral line
- square root
- error
- new
- generating
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 4
- 238000013139 quantization Methods 0.000 abstract 3
- 230000035945 sensitivity Effects 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000011002 quantification Methods 0.000 abstract 1
- 238000005303 weighing 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
- G10L13/00—Speech synthesis; Text to speech systems
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Se descibre un método y aparato nuevo y mejorado para codificar datos de codificación de predicción lineal LPC en un sistema de compresión de vozutilizando raíces cuadradas de línea espectral. Se describe un procedimiento nuevo ycomputacionalm ente eficiente para determinar la serie de sensibilidadesde cuantificación para los valores de raíz cuadrada de línea espectral, que resulta en una medida de error para utilizar en la cuantificación del vector delos valores deraíz cuadrada de lí nea espectral. Se describe un método nuevo de pesar el error de cuantificación, el cual acumula el error de cuantificación encada valor de raíz cuadrada de línea espectral y pesa ese error por la sensibilidad de esevalor de raíz cuadrada de línea espectral.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/509,848 US5754733A (en) | 1995-08-01 | 1995-08-01 | Method and apparatus for generating and encoding line spectral square roots |
Publications (1)
Publication Number | Publication Date |
---|---|
AR000436A1 true AR000436A1 (es) | 1997-06-18 |
Family
ID=24028330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR33770196A AR000436A1 (es) | 1995-08-01 | 1996-07-31 | Método y aparato para generar y codificar raices cuadradas de lineas espectrales |
Country Status (21)
Country | Link |
---|---|
US (1) | US5754733A (es) |
EP (1) | EP0842509B1 (es) |
JP (2) | JP3343125B2 (es) |
KR (1) | KR100408911B1 (es) |
CN (1) | CN1147833C (es) |
AR (1) | AR000436A1 (es) |
AT (1) | ATE218740T1 (es) |
BR (1) | BR9609841B1 (es) |
CA (1) | CA2228172A1 (es) |
DE (1) | DE69621620T2 (es) |
DK (1) | DK0842509T3 (es) |
ES (1) | ES2176478T3 (es) |
FI (1) | FI980207A (es) |
IL (2) | IL118977A (es) |
MX (1) | MX9800851A (es) |
MY (1) | MY112330A (es) |
PT (1) | PT842509E (es) |
RU (1) | RU98103512A (es) |
TW (1) | TW410273B (es) |
WO (1) | WO1997005602A1 (es) |
ZA (1) | ZA966401B (es) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0821505A1 (en) * | 1996-07-25 | 1998-01-28 | Hewlett-Packard Company | Apparatus providing connectivity between devices attached to different interfaces of the apparatus |
FI973873A (fi) * | 1997-10-02 | 1999-04-03 | Nokia Mobile Phones Ltd | Puhekoodaus |
JPH11296904A (ja) | 1998-04-03 | 1999-10-29 | Toshiba Corp | 情報記録媒体およびこれに用いられる樹脂基板の製造方法 |
US7003454B2 (en) * | 2001-05-16 | 2006-02-21 | Nokia Corporation | Method and system for line spectral frequency vector quantization in speech codec |
US8352248B2 (en) * | 2003-01-03 | 2013-01-08 | Marvell International Ltd. | Speech compression method and apparatus |
US7272557B2 (en) * | 2003-05-01 | 2007-09-18 | Microsoft Corporation | Method and apparatus for quantizing model parameters |
US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
DE602008005250D1 (de) | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
PL3779978T3 (pl) * | 2010-04-13 | 2022-08-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sposób dekodowania enkodowanego sygnału audio stereo z wykorzystaniem zmiennego kierunku predykcji |
KR101747917B1 (ko) * | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
MY165853A (en) * | 2011-02-14 | 2018-05-18 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
PL2676264T3 (pl) | 2011-02-14 | 2015-06-30 | Fraunhofer Ges Forschung | Koder audio estymujący szum tła podczas faz aktywnych |
US9071954B2 (en) | 2011-05-31 | 2015-06-30 | Alcatel Lucent | Wireless optimized content delivery network |
US9609370B2 (en) | 2011-05-31 | 2017-03-28 | Alcatel Lucent | Video delivery modification based on network availability |
US20140358529A1 (en) * | 2013-05-29 | 2014-12-04 | Tencent Technology (Shenzhen) Company Limited | Systems, Devices and Methods for Processing Speech Signals |
EP2824661A1 (en) | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
JP6422813B2 (ja) * | 2015-04-13 | 2018-11-14 | 日本電信電話株式会社 | 符号化装置、復号装置、これらの方法及びプログラム |
EP3384893B1 (en) * | 2015-12-01 | 2022-03-09 | Bae Yong Kim | Bio-active material composite, method for preparing same and cosmetic composition containing same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4975956A (en) * | 1989-07-26 | 1990-12-04 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
US5012518A (en) * | 1989-07-26 | 1991-04-30 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
CA2483322C (en) * | 1991-06-11 | 2008-09-23 | Qualcomm Incorporated | Error masking in a variable rate vocoder |
-
1995
- 1995-08-01 US US08/509,848 patent/US5754733A/en not_active Expired - Lifetime
-
1996
- 1996-07-26 ZA ZA9606401A patent/ZA966401B/xx unknown
- 1996-07-30 IL IL11897796A patent/IL118977A/xx not_active IP Right Cessation
- 1996-07-31 MY MYPI96003124A patent/MY112330A/en unknown
- 1996-07-31 AR AR33770196A patent/AR000436A1/es unknown
- 1996-08-01 EP EP96926869A patent/EP0842509B1/en not_active Expired - Lifetime
- 1996-08-01 CA CA002228172A patent/CA2228172A1/en not_active Abandoned
- 1996-08-01 JP JP50790597A patent/JP3343125B2/ja not_active Expired - Fee Related
- 1996-08-01 MX MX9800851A patent/MX9800851A/es active IP Right Grant
- 1996-08-01 ES ES96926869T patent/ES2176478T3/es not_active Expired - Lifetime
- 1996-08-01 DK DK96926869T patent/DK0842509T3/da active
- 1996-08-01 PT PT96926869T patent/PT842509E/pt unknown
- 1996-08-01 IL IL12311996A patent/IL123119A0/xx unknown
- 1996-08-01 WO PCT/US1996/012658 patent/WO1997005602A1/en active IP Right Grant
- 1996-08-01 RU RU98103512/09A patent/RU98103512A/ru not_active Application Discontinuation
- 1996-08-01 KR KR10-1998-0700709A patent/KR100408911B1/ko not_active IP Right Cessation
- 1996-08-01 BR BRPI9609841-4A patent/BR9609841B1/pt not_active IP Right Cessation
- 1996-08-01 CN CNB961967749A patent/CN1147833C/zh not_active Expired - Lifetime
- 1996-08-01 DE DE69621620T patent/DE69621620T2/de not_active Expired - Lifetime
- 1996-08-01 AT AT96926869T patent/ATE218740T1/de active
- 1996-08-14 TW TW085109891A patent/TW410273B/zh not_active IP Right Cessation
-
1998
- 1998-01-29 FI FI980207A patent/FI980207A/fi not_active IP Right Cessation
-
2002
- 2002-05-15 JP JP2002140337A patent/JP2003050600A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IL118977A (en) | 2000-01-31 |
IL123119A0 (en) | 1998-09-24 |
US5754733A (en) | 1998-05-19 |
DE69621620D1 (de) | 2002-07-11 |
JP3343125B2 (ja) | 2002-11-11 |
KR19990036044A (ko) | 1999-05-25 |
AU6688596A (en) | 1997-02-26 |
ZA966401B (en) | 1998-03-09 |
EP0842509B1 (en) | 2002-06-05 |
MY112330A (en) | 2001-05-31 |
AU702506B2 (en) | 1999-02-25 |
BR9609841A (pt) | 1999-03-09 |
FI980207A (fi) | 1998-03-31 |
TW410273B (en) | 2000-11-01 |
IL118977A0 (en) | 1996-10-31 |
EP0842509A1 (en) | 1998-05-20 |
ATE218740T1 (de) | 2002-06-15 |
MX9800851A (es) | 1998-04-30 |
KR100408911B1 (ko) | 2004-04-03 |
PT842509E (pt) | 2002-10-31 |
JPH11510274A (ja) | 1999-09-07 |
WO1997005602A1 (en) | 1997-02-13 |
ES2176478T3 (es) | 2002-12-01 |
DE69621620T2 (de) | 2003-02-06 |
JP2003050600A (ja) | 2003-02-21 |
DK0842509T3 (da) | 2002-10-07 |
CN1147833C (zh) | 2004-04-28 |
CN1195414A (zh) | 1998-10-07 |
FI980207A0 (fi) | 1998-01-29 |
RU98103512A (ru) | 2000-01-27 |
BR9609841B1 (pt) | 2009-01-13 |
CA2228172A1 (en) | 1997-02-13 |
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