DE69431223D1 - Gerät und Verfahren zur Tonsignalübertragung - Google Patents
Gerät und Verfahren zur TonsignalübertragungInfo
- Publication number
- DE69431223D1 DE69431223D1 DE69431223T DE69431223T DE69431223D1 DE 69431223 D1 DE69431223 D1 DE 69431223D1 DE 69431223 T DE69431223 T DE 69431223T DE 69431223 T DE69431223 T DE 69431223T DE 69431223 D1 DE69431223 D1 DE 69431223D1
- Authority
- DE
- Germany
- Prior art keywords
- signal transmission
- sound signal
- sound
- transmission
- signal
- 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
- 230000005540 biological transmission Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- 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
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/02—Analogue recording or reproducing
- G11B20/08—Pulse-modulation recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/50—Analogue/digital converters with intermediate conversion to time interval
- H03M1/54—Input signal sampled and held with linear return to datum
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
- H04B14/046—Systems or methods for reducing noise or bandwidth
-
- 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
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3026—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one
-
- 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
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
- H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18694793 | 1993-06-29 | ||
JP18694793A JP3263797B2 (ja) | 1993-06-29 | 1993-06-29 | オーデイオ信号伝送装置 |
JP19537193A JP3223491B2 (ja) | 1993-07-12 | 1993-07-12 | 再生装置 |
JP19537193 | 1993-07-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69431223D1 true DE69431223D1 (de) | 2002-10-02 |
DE69431223T2 DE69431223T2 (de) | 2006-03-02 |
Family
ID=26504065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69431223T Expired - Lifetime DE69431223T2 (de) | 1993-06-29 | 1994-06-27 | Gerät und Verfahren zur Tonsignalübertragung |
Country Status (6)
Country | Link |
---|---|
US (2) | US5999347A (de) |
EP (1) | EP0632597B1 (de) |
KR (1) | KR100282502B1 (de) |
AU (1) | AU682032B2 (de) |
CA (1) | CA2126810C (de) |
DE (1) | DE69431223T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3095067B2 (ja) * | 1997-12-04 | 2000-10-03 | 日本電気株式会社 | Dcオフセットキャンセラーおよびこれを備えた受信機と通信システムとdcオフセットキャンセル方法 |
TW405314B (en) * | 1998-08-28 | 2000-09-11 | Ind Tech Res Inst | Device for eliminating DC offset utilizing noise regulation technique and its method |
TWI227075B (en) * | 2003-04-04 | 2005-01-21 | Realtek Semiconductor Corp | Clock adjusting device at the receiving end of communication system and method thereof |
GB2433184B (en) * | 2004-03-31 | 2007-11-28 | Meridian Lossless Packing Ltd | Optimal quantiser for an audio signal |
GB2414646B (en) * | 2004-03-31 | 2007-05-02 | Meridian Lossless Packing Ltd | Optimal quantiser for an audio signal |
DE102004039725A1 (de) * | 2004-08-11 | 2006-02-23 | Micronas Gmbh | Rauschformerschaltung und Verfahren zum Reduzieren eines Schaltgeräusches |
US6956513B1 (en) * | 2004-10-22 | 2005-10-18 | Broadcom Corporation | Error feedback structure for delta-sigma modulators with improved stability |
US20070203596A1 (en) * | 2006-02-28 | 2007-08-30 | Accel Semiconductor Corporation | Fm transmission |
US7667552B2 (en) * | 2007-04-10 | 2010-02-23 | Freescale Semiconductor, Inc. | Discrete dithered frequency pulse width modulation |
BRPI0813178B1 (pt) * | 2007-06-15 | 2020-05-12 | France Telecom | Processo de codificação de um sinal de áudio de entrada, processo de decodificação escalável de um sinal de áudio, codificador de sinal de áudio de entrada, e codificador de um sinal de áudio |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL175575C (nl) * | 1976-05-28 | 1984-11-16 | Philips Nv | Filter- en demodulatie-inrichting. |
NL180895C (nl) * | 1978-11-30 | 1987-05-04 | Philips Nv | Analoog-digitaal-omzetter. |
US4481546A (en) * | 1981-10-19 | 1984-11-06 | Hitachi, Ltd. | Modulator-demodulator for obtaining and demodulating frequency-modulated signal |
DE3310310A1 (de) * | 1983-03-22 | 1984-09-27 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und anordnung zum interpolativen a/d-umsetzen |
JPS6093682A (ja) * | 1983-10-25 | 1985-05-25 | Sony Corp | デイジタル非線形プリエンフアシス回路 |
JPS60116000A (ja) * | 1983-11-28 | 1985-06-22 | ケイディディ株式会社 | 音声符号化装置 |
CA1271995A (en) * | 1984-07-05 | 1990-07-24 | Nec Corporation | Method and apparatus for converting an analog signal to a digital signal using an oversampling technique |
NL8600862A (nl) * | 1986-04-04 | 1987-11-02 | Philips Nv | Kodeerinrichting. |
US4833474A (en) * | 1986-08-25 | 1989-05-23 | Hitachi Ltd. | A/D converter |
JPS63138570A (ja) * | 1986-11-28 | 1988-06-10 | Pioneer Electronic Corp | 信号記録装置 |
DE3642168A1 (de) * | 1986-12-10 | 1988-06-16 | Philips Patentverwaltung | Digitale schaltungsanordnung zur verringerung des quantisierungsrauschens |
US4775851A (en) * | 1987-06-01 | 1988-10-04 | Motorola, Inc. | Multiplierless decimating low-pass filter for a noise-shaping A/D converter |
JPS6436275A (en) * | 1987-07-31 | 1989-02-07 | Canon Kk | Sound signal processor |
ATE145775T1 (de) * | 1988-02-29 | 1996-12-15 | Sony Corp | Verfahren und einrichtung zur digitalsignalverarbeitung |
NL8901142A (nl) * | 1989-05-08 | 1990-12-03 | Philips Nv | Inrichting voor het uitlezen van een op een registratiedrager aangebracht informatiepatroon, alsmede een signaalverwerkingsschakeling voor toepassing in een dergelijke inrichting. |
US5200864A (en) * | 1989-06-28 | 1993-04-06 | International Business Machines Corporation | Combining small records into a single record block for recording on a record media |
US5115240A (en) * | 1989-09-26 | 1992-05-19 | Sony Corporation | Method and apparatus for encoding voice signals divided into a plurality of frequency bands |
JP2785400B2 (ja) * | 1989-12-15 | 1998-08-13 | ソニー株式会社 | トラッキング制御装置 |
AU643951B2 (en) * | 1989-12-30 | 1993-12-02 | Sony Corporation | Rotary head type magnetic tape apparatus |
JP2753361B2 (ja) * | 1990-01-24 | 1998-05-20 | 株式会社日立製作所 | 磁気録画再生装置 |
JPH0472907A (ja) * | 1990-07-13 | 1992-03-06 | Sony Corp | ノイズシェーピングフィルタの係数設定方法 |
JPH04206072A (ja) * | 1990-11-30 | 1992-07-28 | Sony Corp | 磁気記録再生装置 |
JP2883449B2 (ja) * | 1990-12-27 | 1999-04-19 | 株式会社東芝 | 記録装置 |
US5225787A (en) * | 1991-05-10 | 1993-07-06 | U.S. Philips Corporation | Sampling frequency converter including a sigma-delta modulator |
US5367540A (en) * | 1992-01-16 | 1994-11-22 | Fujitsu Limited | Transversal filter for use in a digital subscriber line transmission interface |
US5416847A (en) * | 1993-02-12 | 1995-05-16 | The Walt Disney Company | Multi-band, digital audio noise filter |
US5392042A (en) * | 1993-08-05 | 1995-02-21 | Martin Marietta Corporation | Sigma-delta analog-to-digital converter with filtration having controlled pole-zero locations, and apparatus therefor |
EP0643547B1 (de) * | 1993-09-10 | 2001-07-18 | Sony Corporation | Quantisierungsgerät |
-
1994
- 1994-06-27 CA CA002126810A patent/CA2126810C/en not_active Expired - Fee Related
- 1994-06-27 EP EP94304668A patent/EP0632597B1/de not_active Expired - Lifetime
- 1994-06-27 DE DE69431223T patent/DE69431223T2/de not_active Expired - Lifetime
- 1994-06-27 AU AU65999/94A patent/AU682032B2/en not_active Ceased
- 1994-06-28 KR KR1019940014943A patent/KR100282502B1/ko not_active IP Right Cessation
-
1997
- 1997-04-09 US US08/835,286 patent/US5999347A/en not_active Expired - Lifetime
-
1999
- 1999-06-09 US US09/329,105 patent/US6166873A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0632597A3 (de) | 1996-08-21 |
US6166873A (en) | 2000-12-26 |
EP0632597A2 (de) | 1995-01-04 |
EP0632597B1 (de) | 2002-08-28 |
CA2126810C (en) | 2004-10-19 |
US5999347A (en) | 1999-12-07 |
KR950001709A (ko) | 1995-01-03 |
KR100282502B1 (ko) | 2001-03-02 |
AU682032B2 (en) | 1997-09-18 |
AU6599994A (en) | 1995-01-12 |
CA2126810A1 (en) | 1994-12-30 |
DE69431223T2 (de) | 2006-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |