ATE142061T1 - Gerät zur kodierung digitaler signale - Google Patents
Gerät zur kodierung digitaler signaleInfo
- Publication number
- ATE142061T1 ATE142061T1 AT91301854T AT91301854T ATE142061T1 AT E142061 T1 ATE142061 T1 AT E142061T1 AT 91301854 T AT91301854 T AT 91301854T AT 91301854 T AT91301854 T AT 91301854T AT E142061 T1 ATE142061 T1 AT E142061T1
- Authority
- AT
- Austria
- Prior art keywords
- frequency band
- signal
- lowest frequency
- reduce
- band signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
-
- 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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2053504A JP2913731B2 (ja) | 1990-03-07 | 1990-03-07 | ディジタルデータの高能率符号化方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE142061T1 true ATE142061T1 (de) | 1996-09-15 |
Family
ID=12944657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91301854T ATE142061T1 (de) | 1990-03-07 | 1991-03-06 | Gerät zur kodierung digitaler signale |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP0446031B1 (de) |
JP (1) | JP2913731B2 (de) |
KR (1) | KR0165545B1 (de) |
AT (1) | ATE142061T1 (de) |
AU (1) | AU646017B2 (de) |
CA (1) | CA2037544A1 (de) |
DE (1) | DE69121606T2 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5115240A (en) * | 1989-09-26 | 1992-05-19 | Sony Corporation | Method and apparatus for encoding voice signals divided into a plurality of frequency bands |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
ZA921988B (en) | 1991-03-29 | 1993-02-24 | Sony Corp | High efficiency digital data encoding and decoding apparatus |
DE69231369T2 (de) * | 1991-09-30 | 2001-03-29 | Sony Corp | Verfahren und Einrichtung zur Audiodatenkompression |
JP3141450B2 (ja) * | 1991-09-30 | 2001-03-05 | ソニー株式会社 | オーディオ信号処理方法 |
FR2687871B1 (fr) * | 1992-02-25 | 1995-07-07 | France Telecom | Procede et dispositif de filtrage pour la reduction des preechos d'un signal audio-numerique. |
JP3153933B2 (ja) * | 1992-06-16 | 2001-04-09 | ソニー株式会社 | データ符号化装置及び方法並びにデータ復号化装置及び方法 |
JP3186292B2 (ja) * | 1993-02-02 | 2001-07-11 | ソニー株式会社 | 高能率符号化方法及び装置 |
JP3088580B2 (ja) * | 1993-02-19 | 2000-09-18 | 松下電器産業株式会社 | 変換符号化装置のブロックサイズ決定法 |
JP3186307B2 (ja) * | 1993-03-09 | 2001-07-11 | ソニー株式会社 | 圧縮データ記録装置及び方法 |
JP3123290B2 (ja) * | 1993-03-09 | 2001-01-09 | ソニー株式会社 | 圧縮データ記録装置及び方法、圧縮データ再生方法、記録媒体 |
TW232116B (en) * | 1993-04-14 | 1994-10-11 | Sony Corp | Method or device and recording media for signal conversion |
US5581654A (en) * | 1993-05-25 | 1996-12-03 | Sony Corporation | Method and apparatus for information encoding and decoding |
EP0653846B1 (de) * | 1993-05-31 | 2001-12-19 | Sony Corporation | Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium |
JP3721582B2 (ja) * | 1993-06-30 | 2005-11-30 | ソニー株式会社 | 信号符号化装置及び方法並びに信号復号化装置及び方法 |
US5451954A (en) * | 1993-08-04 | 1995-09-19 | Dolby Laboratories Licensing Corporation | Quantization noise suppression for encoder/decoder system |
TW327223B (en) * | 1993-09-28 | 1998-02-21 | Sony Co Ltd | Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal |
AU689506B2 (en) * | 1993-11-04 | 1998-04-02 | Sony Corporation | Signal encoder, signal decoder, recording medium and signal encoding method |
CN1111959C (zh) * | 1993-11-09 | 2003-06-18 | 索尼公司 | 量化装置、量化方法、高效率编码装置、高效率编码方法、解码装置和高效率解码装置 |
US5731767A (en) * | 1994-02-04 | 1998-03-24 | Sony Corporation | Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method |
US5608713A (en) * | 1994-02-09 | 1997-03-04 | Sony Corporation | Bit allocation of digital audio signal blocks by non-linear processing |
JP3186412B2 (ja) * | 1994-04-01 | 2001-07-11 | ソニー株式会社 | 情報符号化方法、情報復号化方法、及び情報伝送方法 |
JP3250376B2 (ja) * | 1994-06-13 | 2002-01-28 | ソニー株式会社 | 情報符号化方法及び装置並びに情報復号化方法及び装置 |
JP3277699B2 (ja) * | 1994-06-13 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置並びに信号復号化方法及び装置 |
JP3277705B2 (ja) | 1994-07-27 | 2002-04-22 | ソニー株式会社 | 情報符号化装置及び方法、並びに情報復号化装置及び方法 |
JP3341474B2 (ja) * | 1994-07-28 | 2002-11-05 | ソニー株式会社 | 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体 |
JP3557674B2 (ja) * | 1994-12-15 | 2004-08-25 | ソニー株式会社 | 高能率符号化方法及び装置 |
JP3318825B2 (ja) * | 1996-08-20 | 2002-08-26 | ソニー株式会社 | デジタル信号符号化処理方法、デジタル信号符号化処理装置、デジタル信号記録方法、デジタル信号記録装置、記録媒体、デジタル信号伝送方法及びデジタル信号伝送装置 |
US5809621A (en) * | 1996-12-26 | 1998-09-22 | S. C. Johnson Home Storage Inc. | Reclosable fastener assembly with a plastic zipper and slider |
TW384434B (en) * | 1997-03-31 | 2000-03-11 | Sony Corp | Encoding method, device therefor, decoding method, device therefor and recording medium |
GB2326572A (en) * | 1997-06-19 | 1998-12-23 | Softsound Limited | Low bit rate audio coder and decoder |
DE19736669C1 (de) * | 1997-08-22 | 1998-10-22 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals |
JP2000134105A (ja) * | 1998-10-29 | 2000-05-12 | Matsushita Electric Ind Co Ltd | オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法 |
US6240379B1 (en) * | 1998-12-24 | 2001-05-29 | Sony Corporation | System and method for preventing artifacts in an audio data encoder device |
CN103999153B (zh) * | 2011-10-24 | 2017-03-01 | Lg电子株式会社 | 用于以带选择的方式量化语音信号的方法和设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064119B1 (de) * | 1981-04-30 | 1985-08-28 | International Business Machines Corporation | Sprachkodierungsverfahren und Einrichtung zur Durchführung des Verfahrens |
GB8326719D0 (en) * | 1983-10-06 | 1983-11-09 | British Telecomm | Digital coding |
US5051991A (en) * | 1984-10-17 | 1991-09-24 | Ericsson Ge Mobile Communications Inc. | Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing |
DE3506912A1 (de) * | 1985-02-27 | 1986-08-28 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Verfahren zur uebertragung eines audiosignals |
IL76283A0 (en) * | 1985-09-03 | 1986-01-31 | Ibm | Process and system for coding signals |
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
WO1989011759A1 (en) * | 1988-05-26 | 1989-11-30 | Telefunken Fernseh Und Rundfunk Gmbh | Process for transmitting an audio signal |
-
1990
- 1990-03-07 JP JP2053504A patent/JP2913731B2/ja not_active Expired - Lifetime
-
1991
- 1991-03-04 AU AU72059/91A patent/AU646017B2/en not_active Expired
- 1991-03-05 CA CA002037544A patent/CA2037544A1/en not_active Abandoned
- 1991-03-06 AT AT91301854T patent/ATE142061T1/de not_active IP Right Cessation
- 1991-03-06 KR KR1019910003572A patent/KR0165545B1/ko not_active IP Right Cessation
- 1991-03-06 EP EP91301854A patent/EP0446031B1/de not_active Expired - Lifetime
- 1991-03-06 EP EP95202454A patent/EP0687073A3/de not_active Withdrawn
- 1991-03-06 DE DE69121606T patent/DE69121606T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2037544A1 (en) | 1991-09-08 |
EP0687073A3 (de) | 1997-04-02 |
JPH03256411A (ja) | 1991-11-15 |
KR910017771A (ko) | 1991-11-05 |
AU646017B2 (en) | 1994-02-03 |
DE69121606T2 (de) | 1997-02-27 |
EP0446031A2 (de) | 1991-09-11 |
EP0446031A3 (en) | 1992-11-25 |
JP2913731B2 (ja) | 1999-06-28 |
EP0446031B1 (de) | 1996-08-28 |
DE69121606D1 (de) | 1996-10-02 |
EP0687073A2 (de) | 1995-12-13 |
KR0165545B1 (ko) | 1999-03-20 |
AU7205991A (en) | 1991-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
EELA | Cancelled due to lapse of time |