DE69211452T2 - Kodieranordnung und Kodierverfahren mit einem Unterbandkoder zum Unterbandkodieren eines Breitband-Digitalsignals, das aus einer ersten und einer zweiten Signalkomponente aufgebaut ist - Google Patents
Kodieranordnung und Kodierverfahren mit einem Unterbandkoder zum Unterbandkodieren eines Breitband-Digitalsignals, das aus einer ersten und einer zweiten Signalkomponente aufgebaut istInfo
- Publication number
- DE69211452T2 DE69211452T2 DE69211452T DE69211452T DE69211452T2 DE 69211452 T2 DE69211452 T2 DE 69211452T2 DE 69211452 T DE69211452 T DE 69211452T DE 69211452 T DE69211452 T DE 69211452T DE 69211452 T2 DE69211452 T2 DE 69211452T2
- Authority
- DE
- Germany
- Prior art keywords
- subband
- coding
- signal
- bit allocation
- bit
- 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 - Fee Related
Links
- 230000003993 interaction Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/007—Transform coding, e.g. discrete cosine transform
-
- 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
- H04B1/667—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 a division in frequency subbands
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91202221 | 1991-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69211452D1 DE69211452D1 (de) | 1996-07-18 |
DE69211452T2 true DE69211452T2 (de) | 1996-11-28 |
Family
ID=8207852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69211452T Expired - Fee Related DE69211452T2 (de) | 1991-09-02 | 1992-09-01 | Kodieranordnung und Kodierverfahren mit einem Unterbandkoder zum Unterbandkodieren eines Breitband-Digitalsignals, das aus einer ersten und einer zweiten Signalkomponente aufgebaut ist |
Country Status (7)
Country | Link |
---|---|
US (1) | US5491773A (de) |
EP (1) | EP0530916B1 (de) |
JP (1) | JP3073333B2 (de) |
KR (1) | KR100263599B1 (de) |
AT (1) | ATE139385T1 (de) |
DE (1) | DE69211452T2 (de) |
SG (1) | SG46402A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3404837B2 (ja) * | 1993-12-07 | 2003-05-12 | ソニー株式会社 | 多層符号化装置 |
AU1199195A (en) * | 1993-12-07 | 1995-06-27 | Sony Corporation | Information processing method, information processing device and media |
KR960012475B1 (ko) * | 1994-01-18 | 1996-09-20 | 대우전자 주식회사 | 디지탈 오디오 부호화장치의 채널별 비트 할당 장치 |
KR0134318B1 (ko) * | 1994-01-28 | 1998-04-29 | 김광호 | 채널간의 마스킹특성을 고려한 비트할당장치 및 그 방법과 복호화장치 |
US5784532A (en) | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
WO1995030286A2 (en) * | 1994-05-02 | 1995-11-09 | Philips Electronics N.V. | Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component |
FR2721461B1 (fr) * | 1994-06-16 | 1996-09-06 | France Telecom | Signal formé d'une pluralité de fréquences porteuses orthogonales organisé de façon à simplifier la réception d'un des signaux source le composant, procédé d'émission et récepteur correspondants. |
EP0721257B1 (de) * | 1995-01-09 | 2005-03-30 | Daewoo Electronics Corporation | Bitverteilung für Mehrkanal-Audiokodierer auf Grund von wahrnehmungsgebundener Entropie |
CN1110955C (zh) * | 1995-02-13 | 2003-06-04 | 大宇电子株式会社 | 自适应地编码来自多条通道的输入数字音频信号的装置 |
US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
US5826227A (en) * | 1995-12-18 | 1998-10-20 | Lucent Technologies Inc. | Hiding a source identifier within a signal |
JP3092653B2 (ja) * | 1996-06-21 | 2000-09-25 | 日本電気株式会社 | 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置 |
DE19628293C1 (de) | 1996-07-12 | 1997-12-11 | Fraunhofer Ges Forschung | Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion |
JP3279228B2 (ja) * | 1997-08-09 | 2002-04-30 | 日本電気株式会社 | 符号化音声復号装置 |
DE69722973T2 (de) * | 1997-12-19 | 2004-05-19 | Stmicroelectronics Asia Pacific Pte Ltd. | Verfahren und gerät zur phasenschätzung in einem transformationskodierer für hochqualitätsaudio |
US6591241B1 (en) * | 1997-12-27 | 2003-07-08 | Stmicroelectronics Asia Pacific Pte Limited | Selecting a coupling scheme for each subband for estimation of coupling parameters in a transform coder for high quality audio |
US6931372B1 (en) | 1999-01-27 | 2005-08-16 | Agere Systems Inc. | Joint multiple program coding for digital audio broadcasting and other applications |
DE19959156C2 (de) * | 1999-12-08 | 2002-01-31 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals |
US8112286B2 (en) * | 2005-10-31 | 2012-02-07 | Panasonic Corporation | Stereo encoding device, and stereo signal predicting method |
EP2215629A1 (de) * | 2007-11-27 | 2010-08-11 | Nokia Corporation | Mehrkanalige audiocodierung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2389277A1 (fr) * | 1977-04-29 | 1978-11-24 | Ibm France | Procede de quantification a allocation dynamique du taux de bits disponible, et dispositif de mise en oeuvre dudit procede |
US4184049A (en) * | 1978-08-25 | 1980-01-15 | Bell Telephone Laboratories, Incorporated | Transform speech signal coding with pitch controlled adaptive quantizing |
CA1253255A (en) * | 1983-05-16 | 1989-04-25 | Nec Corporation | System for simultaneously coding and decoding a plurality of signals |
US4688246A (en) * | 1985-12-20 | 1987-08-18 | Zenith Electronics Corporation | CATV scrambling system with compressed digital audio in synchronizing signal intervals |
NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
NL8901032A (nl) * | 1988-11-10 | 1990-06-01 | Philips Nv | Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting. |
US5341457A (en) * | 1988-12-30 | 1994-08-23 | At&T Bell Laboratories | Perceptual coding of audio signals |
NL9000338A (nl) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
EP0400222A1 (de) * | 1989-06-02 | 1990-12-05 | ETAT FRANCAIS représenté par le Ministère des Postes, des Télécommunications et de l'Espace | Digitales Übertragungssystem unter Verwendung der Teilbandkodierung eines digitalen Signals |
US5367608A (en) * | 1990-05-14 | 1994-11-22 | U.S. Philips Corporation | Transmitter, encoding system and method employing use of a bit allocation unit for subband coding a digital signal |
-
1992
- 1992-08-28 KR KR1019920015535A patent/KR100263599B1/ko not_active IP Right Cessation
- 1992-09-01 DE DE69211452T patent/DE69211452T2/de not_active Expired - Fee Related
- 1992-09-01 EP EP92202646A patent/EP0530916B1/de not_active Expired - Lifetime
- 1992-09-01 AT AT92202646T patent/ATE139385T1/de active
- 1992-09-01 JP JP04233700A patent/JP3073333B2/ja not_active Expired - Fee Related
- 1992-09-01 SG SG1996004374A patent/SG46402A1/en unknown
-
1994
- 1994-03-28 US US08/218,992 patent/US5491773A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0530916A3 (en) | 1994-06-01 |
SG46402A1 (en) | 1998-02-20 |
US5491773A (en) | 1996-02-13 |
DE69211452D1 (de) | 1996-07-18 |
KR930007106A (ko) | 1993-04-22 |
EP0530916A2 (de) | 1993-03-10 |
EP0530916B1 (de) | 1996-06-12 |
KR100263599B1 (ko) | 2000-08-01 |
ATE139385T1 (de) | 1996-06-15 |
JPH05227039A (ja) | 1993-09-03 |
JP3073333B2 (ja) | 2000-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |