AU2001285936A1 - Audio signal processing with adaptive noise-shaping modulation - Google Patents
Audio signal processing with adaptive noise-shaping modulationInfo
- Publication number
- AU2001285936A1 AU2001285936A1 AU2001285936A AU8593601A AU2001285936A1 AU 2001285936 A1 AU2001285936 A1 AU 2001285936A1 AU 2001285936 A AU2001285936 A AU 2001285936A AU 8593601 A AU8593601 A AU 8593601A AU 2001285936 A1 AU2001285936 A1 AU 2001285936A1
- Authority
- AU
- Australia
- Prior art keywords
- signal processing
- audio signal
- adaptive noise
- shaping modulation
- shaping
- 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.)
- Abandoned
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000007493 shaping process Methods 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
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
- H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
- H03M3/482—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the quantisation step size
-
- 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
-
- 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
-
- 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
- G11B20/00007—Time or data compression or expansion
-
- 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
-
- 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
- H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
- H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
- H04B14/064—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM] with adaptive feedback
-
- 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
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
- G11B2020/00065—Sigma-delta audio encoding
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/402—Arrangements specific to bandpass modulators
- H03M3/404—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used
- H03M3/406—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used by the use of a pair of integrators forming a closed loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/452—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
- H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
- H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00203097 | 2000-09-08 | ||
EP00203097 | 2000-09-08 | ||
PCT/EP2001/010340 WO2002021526A1 (en) | 2000-09-08 | 2001-09-06 | Audio signal processing with adaptive noise-shaping modulation |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001285936A1 true AU2001285936A1 (en) | 2002-03-22 |
Family
ID=8171989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001285936A Abandoned AU2001285936A1 (en) | 2000-09-08 | 2001-09-06 | Audio signal processing with adaptive noise-shaping modulation |
Country Status (8)
Country | Link |
---|---|
US (3) | US20020165631A1 (ja) |
EP (2) | EP1328938A1 (ja) |
JP (2) | JP4950407B2 (ja) |
KR (2) | KR20020052203A (ja) |
CN (2) | CN1308949C (ja) |
AU (1) | AU2001285936A1 (ja) |
BR (1) | BR0107191A (ja) |
WO (2) | WO2002021526A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002021526A1 (en) * | 2000-09-08 | 2002-03-14 | Koninklijke Philips Electronics N.V. | Audio signal processing with adaptive noise-shaping modulation |
WO2004004174A1 (en) * | 2002-06-28 | 2004-01-08 | Koninklijke Philips Electronics N.V. | Adaptive rate matching method |
US8718298B2 (en) * | 2003-12-19 | 2014-05-06 | Lear Corporation | NVH dependent parallel compression processing for automotive audio systems |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
US7009540B1 (en) * | 2005-01-04 | 2006-03-07 | Faraday Technology Corp. | Method for designing a noise shaper with a single loop distributed feedback delta-sigma modulator |
US20070147518A1 (en) * | 2005-02-18 | 2007-06-28 | Bruno Bessette | Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX |
US8249861B2 (en) * | 2005-04-20 | 2012-08-21 | Qnx Software Systems Limited | High frequency compression integration |
US8086451B2 (en) | 2005-04-20 | 2011-12-27 | Qnx Software Systems Co. | System for improving speech intelligibility through high frequency compression |
US7813931B2 (en) * | 2005-04-20 | 2010-10-12 | QNX Software Systems, Co. | System for improving speech quality and intelligibility with bandwidth compression/expansion |
US20090287493A1 (en) * | 2005-05-30 | 2009-11-19 | Koninklijke Philips Electronics, N.V. | Direct stream digital audio with minimal storage requirement |
WO2007002770A2 (en) * | 2005-06-27 | 2007-01-04 | Qualcomm Flarion Technologies, Inc. | Methods and apparatus for implementing and using amplifiers for performing various amplification related operations |
US7289050B1 (en) * | 2005-06-27 | 2007-10-30 | Qualcomm Incorporated | Amplification method and apparatus |
US20080000431A1 (en) * | 2006-06-29 | 2008-01-03 | Stephen Longo | Dog leash assembly |
CN101479790B (zh) * | 2006-06-29 | 2012-05-23 | Nxp股份有限公司 | 噪声合成 |
TW200813816A (en) * | 2006-09-11 | 2008-03-16 | Princeton Technology Corp | Optimal parameter adjusting method and system |
EP2096631A4 (en) * | 2006-12-13 | 2012-07-25 | Panasonic Corp | TONE DECODING DEVICE AND POWER ADJUSTMENT METHOD |
CN101179716B (zh) * | 2007-11-30 | 2011-12-07 | 华南理工大学 | 一种压缩域的传输数据流音频自动增益控制方法 |
WO2011145044A1 (en) * | 2010-05-17 | 2011-11-24 | Green Sql Ltd | Database translation system and method |
FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
CN107431492B (zh) | 2015-03-03 | 2021-05-04 | 索尼公司 | 压缩编码设备、压缩编码方法、解码设备、解码方法和程序 |
KR102343639B1 (ko) * | 2016-05-24 | 2021-12-28 | 소니그룹주식회사 | 압축 부호화 장치 및 방법, 복호 장치 및 방법, 그리고 프로그램 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2744006B2 (ja) * | 1988-03-15 | 1998-04-28 | 株式会社東芝 | 非線形a/d変換回路及び非線形a/d変換方法 |
JPH0311811A (ja) * | 1989-06-09 | 1991-01-21 | Fujitsu Ltd | 適応型雑音整形フィルタ |
US5594598A (en) | 1992-10-19 | 1997-01-14 | Canon Kabushiki Kaisha | Information recording apparatus having variable compression ratio |
JP3465401B2 (ja) * | 1994-03-03 | 2003-11-10 | ソニー株式会社 | オーデイオ信号処理装置及びオーデイオ記録装置 |
US5608400A (en) * | 1995-08-24 | 1997-03-04 | Martin Marietta Corporation | Selectable intermediate frequency sigma-delta analog-to-digital converter |
US6434246B1 (en) * | 1995-10-10 | 2002-08-13 | Gn Resound As | Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid |
US6097824A (en) * | 1997-06-06 | 2000-08-01 | Audiologic, Incorporated | Continuous frequency dynamic range audio compressor |
JP3327114B2 (ja) * | 1996-04-24 | 2002-09-24 | ソニー株式会社 | 信号処理装置、信号記録装置及び信号再生装置 |
US6269338B1 (en) * | 1996-10-10 | 2001-07-31 | U.S. Philips Corporation | Data compression and expansion of an audio signal |
PT1603244E (pt) * | 1996-11-07 | 2007-11-23 | Koninkl Philips Electronics Nv | Transmissão de um sinal em modo binário |
JP3328532B2 (ja) * | 1997-01-22 | 2002-09-24 | シャープ株式会社 | デジタルデータの符号化方法 |
EP0922334A2 (en) * | 1997-06-04 | 1999-06-16 | Koninklijke Philips Electronics N.V. | Data compression and expansion of an n-level information signal |
JP3807036B2 (ja) * | 1997-07-17 | 2006-08-09 | ソニー株式会社 | ディジタルデータ処理装置及び方法 |
US6218972B1 (en) * | 1997-09-11 | 2001-04-17 | Rockwell Science Center, Inc. | Tunable bandpass sigma-delta digital receiver |
CA2249792C (en) * | 1997-10-03 | 2009-04-07 | Matsushita Electric Industrial Co. Ltd. | Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus |
US5966688A (en) * | 1997-10-28 | 1999-10-12 | Hughes Electronics Corporation | Speech mode based multi-stage vector quantizer |
GB2341763B (en) * | 1998-09-15 | 2000-09-13 | 3Com Technologies Ltd | Data receiver including hybrid decision feedback equalizer |
JP4075167B2 (ja) * | 1998-10-09 | 2008-04-16 | ソニー株式会社 | ディジタル信号再生装置及び処理装置 |
US6326912B1 (en) * | 1999-09-24 | 2001-12-04 | Akm Semiconductor, Inc. | Analog-to-digital conversion using a multi-bit analog delta-sigma modulator combined with a one-bit digital delta-sigma modulator |
WO2002021526A1 (en) | 2000-09-08 | 2002-03-14 | Koninklijke Philips Electronics N.V. | Audio signal processing with adaptive noise-shaping modulation |
US7277554B2 (en) * | 2001-08-08 | 2007-10-02 | Gn Resound North America Corporation | Dynamic range compression using digital frequency warping |
-
2001
- 2001-09-06 WO PCT/EP2001/010340 patent/WO2002021526A1/en active Application Filing
- 2001-09-06 JP JP2002525655A patent/JP4950407B2/ja not_active Expired - Fee Related
- 2001-09-06 EP EP01978350A patent/EP1328938A1/en not_active Withdrawn
- 2001-09-06 KR KR1020027005886A patent/KR20020052203A/ko not_active Application Discontinuation
- 2001-09-06 BR BR0107191-2A patent/BR0107191A/pt not_active IP Right Cessation
- 2001-09-06 WO PCT/EP2001/010336 patent/WO2002021525A1/en not_active Application Discontinuation
- 2001-09-06 US US10/129,692 patent/US20020165631A1/en not_active Abandoned
- 2001-09-06 AU AU2001285936A patent/AU2001285936A1/en not_active Abandoned
- 2001-09-06 US US10/129,695 patent/US6819275B2/en not_active Expired - Fee Related
- 2001-09-06 CN CNB01802646XA patent/CN1308949C/zh not_active Expired - Fee Related
- 2001-09-06 JP JP2002525656A patent/JP2004508755A/ja not_active Withdrawn
- 2001-09-06 KR KR1020027005952A patent/KR20020051933A/ko not_active Application Discontinuation
- 2001-09-06 CN CN01802647A patent/CN1388965A/zh active Pending
- 2001-09-06 EP EP01965265A patent/EP1317754A1/en not_active Withdrawn
-
2004
- 2004-06-15 US US10/868,258 patent/US20040230427A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2004508598A (ja) | 2004-03-18 |
JP4950407B2 (ja) | 2012-06-13 |
CN1388965A (zh) | 2003-01-01 |
WO2002021526A1 (en) | 2002-03-14 |
EP1328938A1 (en) | 2003-07-23 |
US20020163455A1 (en) | 2002-11-07 |
CN1308949C (zh) | 2007-04-04 |
EP1317754A1 (en) | 2003-06-11 |
BR0107191A (pt) | 2002-07-16 |
JP2004508755A (ja) | 2004-03-18 |
KR20020051933A (ko) | 2002-06-29 |
CN1388964A (zh) | 2003-01-01 |
US6819275B2 (en) | 2004-11-16 |
US20020165631A1 (en) | 2002-11-07 |
WO2002021525A1 (en) | 2002-03-14 |
US20040230427A1 (en) | 2004-11-18 |
KR20020052203A (ko) | 2002-07-02 |
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