ES2176722T3 - Sistema de filtrado de analisis/sintesis con bancos de filtros eficaces de banda lateral unica con apilamiento no uniforme, que utiliza cancelacion de solapamiento de espectro en el dominio del tiempo. - Google Patents
Sistema de filtrado de analisis/sintesis con bancos de filtros eficaces de banda lateral unica con apilamiento no uniforme, que utiliza cancelacion de solapamiento de espectro en el dominio del tiempo.Info
- Publication number
- ES2176722T3 ES2176722T3 ES97915117T ES97915117T ES2176722T3 ES 2176722 T3 ES2176722 T3 ES 2176722T3 ES 97915117 T ES97915117 T ES 97915117T ES 97915117 T ES97915117 T ES 97915117T ES 2176722 T3 ES2176722 T3 ES 2176722T3
- Authority
- ES
- Spain
- Prior art keywords
- domain
- time
- analysis
- single side
- side band
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Filters And Equalizers (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Stereophonic System (AREA)
- Complex Calculations (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
UNOS BANCOS DE FILTROS DE ANALISIS/SINTESIS DE UNA SOLA BANDA APILADOS DE FORMA DESIGUAL MUESTREADOS DE FORMA CRITICA DE IMPLEMENTACION EFICIENTE SE CONSIGUEN MEDIANTE LA APLICACION DE UN CONJUNTO DE FUNCIONES A UNOS VALORES DE FRECUENCIA-DOMINIO Y TIEMPO-DOMINIO ANTES Y DESPUES DE SUS TRANSFORMACIONES. SE DESCRIBE UN IMPLEMENTACION DE UNAS CANCELACIONES DE SOLAPAMIENTO EN DOMINIO DE TIEMPO APILADAS DE FORMA DESIGUAL QUE PERMITE SELECCIONAR DE FORMA ADAPTATIVA LA LONGITUD DE LA TRANSFORMACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61850696A | 1996-03-19 | 1996-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2176722T3 true ES2176722T3 (es) | 2002-12-01 |
Family
ID=24478002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES97915117T Expired - Lifetime ES2176722T3 (es) | 1996-03-19 | 1997-03-17 | Sistema de filtrado de analisis/sintesis con bancos de filtros eficaces de banda lateral unica con apilamiento no uniforme, que utiliza cancelacion de solapamiento de espectro en el dominio del tiempo. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0827647B1 (es) |
JP (1) | JP4033906B2 (es) |
KR (1) | KR100424036B1 (es) |
AT (1) | ATE220831T1 (es) |
AU (1) | AU712719B2 (es) |
CA (1) | CA2221845C (es) |
DE (1) | DE69713971T2 (es) |
DK (1) | DK0827647T3 (es) |
ES (1) | ES2176722T3 (es) |
WO (1) | WO1997035386A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5899969A (en) * | 1997-10-17 | 1999-05-04 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with gain-control words |
US5913191A (en) * | 1997-10-17 | 1999-06-15 | Dolby Laboratories Licensing Corporation | Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU631404B2 (en) * | 1989-01-27 | 1992-11-26 | Dolby Laboratories Licensing Corporation | Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
EP0610975B1 (en) * | 1989-01-27 | 1998-09-02 | Dolby Laboratories Licensing Corporation | Coded signal formatting for encoder and decoder of high-quality audio |
US5297236A (en) * | 1989-01-27 | 1994-03-22 | Dolby Laboratories Licensing Corporation | Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder |
-
1997
- 1997-03-17 KR KR1019970708058A patent/KR100424036B1/ko not_active IP Right Cessation
- 1997-03-17 JP JP53357697A patent/JP4033906B2/ja not_active Expired - Lifetime
- 1997-03-17 AU AU22140/97A patent/AU712719B2/en not_active Expired
- 1997-03-17 WO PCT/US1997/004164 patent/WO1997035386A1/en active IP Right Grant
- 1997-03-17 EP EP97915117A patent/EP0827647B1/en not_active Expired - Lifetime
- 1997-03-17 DE DE69713971T patent/DE69713971T2/de not_active Expired - Lifetime
- 1997-03-17 DK DK97915117T patent/DK0827647T3/da active
- 1997-03-17 AT AT97915117T patent/ATE220831T1/de active
- 1997-03-17 ES ES97915117T patent/ES2176722T3/es not_active Expired - Lifetime
- 1997-03-17 CA CA002221845A patent/CA2221845C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU2214097A (en) | 1997-10-10 |
EP0827647A1 (en) | 1998-03-11 |
DE69713971T2 (de) | 2003-03-20 |
AU712719B2 (en) | 1999-11-11 |
JP4033906B2 (ja) | 2008-01-16 |
WO1997035386A1 (en) | 1997-09-25 |
KR100424036B1 (ko) | 2004-07-05 |
JPH11507492A (ja) | 1999-06-29 |
CA2221845A1 (en) | 1997-09-25 |
DK0827647T3 (da) | 2002-09-02 |
CA2221845C (en) | 2004-06-08 |
KR19990014716A (ko) | 1999-02-25 |
DE69713971D1 (de) | 2002-08-22 |
EP0827647B1 (en) | 2002-07-17 |
ATE220831T1 (de) | 2002-08-15 |
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