JP4229586B2 - エイリアシング抑制追加フィルタバンク付フレーム・基礎オーディオ符号化 - Google Patents

エイリアシング抑制追加フィルタバンク付フレーム・基礎オーディオ符号化 Download PDF

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Publication number
JP4229586B2
JP4229586B2 JP2000517559A JP2000517559A JP4229586B2 JP 4229586 B2 JP4229586 B2 JP 4229586B2 JP 2000517559 A JP2000517559 A JP 2000517559A JP 2000517559 A JP2000517559 A JP 2000517559A JP 4229586 B2 JP4229586 B2 JP 4229586B2
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Japan
Prior art keywords
frame
gain
audio
signal
information
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Expired - Lifetime
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JP2000517559A
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English (en)
Japanese (ja)
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JP2001521347A5 (enExample
JP2001521347A (ja
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フィルダー、ルイス・ダン
トッド、クレイグ・キャンベル
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/038—Cross-faders therefor
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stereophonic System (AREA)
JP2000517559A 1997-10-17 1998-10-13 エイリアシング抑制追加フィルタバンク付フレーム・基礎オーディオ符号化 Expired - Lifetime JP4229586B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/953,324 1997-10-17
US08/953,324 US5899969A (en) 1997-10-17 1997-10-17 Frame-based audio coding with gain-control words
PCT/US1998/021552 WO1999021371A1 (en) 1997-10-17 1998-10-13 Frame-based audio coding with gain-control words

Publications (3)

Publication Number Publication Date
JP2001521347A JP2001521347A (ja) 2001-11-06
JP2001521347A5 JP2001521347A5 (enExample) 2006-02-09
JP4229586B2 true JP4229586B2 (ja) 2009-02-25

Family

ID=25493823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000517559A Expired - Lifetime JP4229586B2 (ja) 1997-10-17 1998-10-13 エイリアシング抑制追加フィルタバンク付フレーム・基礎オーディオ符号化

Country Status (11)

Country Link
US (1) US5899969A (enExample)
EP (1) EP1023809B1 (enExample)
JP (1) JP4229586B2 (enExample)
KR (1) KR100591009B1 (enExample)
AT (1) ATE200722T1 (enExample)
AU (1) AU755358B2 (enExample)
CA (1) CA2305534C (enExample)
DE (1) DE69800717T2 (enExample)
DK (1) DK1023809T3 (enExample)
ES (1) ES2156034T3 (enExample)
WO (1) WO1999021371A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10511865B2 (en) 2014-09-09 2019-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio splicing concept

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JP4867076B2 (ja) * 2001-03-28 2012-02-01 日本電気株式会社 音声合成用圧縮素片作成装置、音声規則合成装置及びそれらに用いる方法
DE60206269T2 (de) * 2001-06-08 2006-06-29 Koninklijke Philips Electronics N.V. Editieren von audiosignalen
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7941037B1 (en) * 2002-08-27 2011-05-10 Nvidia Corporation Audio/video timescale compression system and method
KR101101384B1 (ko) * 2003-04-24 2012-01-02 코닌클리케 필립스 일렉트로닉스 엔.브이. 파라미터화된 시간 특징 분석
CN1926610B (zh) * 2004-03-12 2010-10-06 诺基亚公司 合成单声道音频信号的方法、音频解码器和编码系统
US20060062407A1 (en) * 2004-09-22 2006-03-23 Kahan Joseph M Sound card having feedback calibration loop
US8521314B2 (en) 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
JP5285626B2 (ja) * 2007-03-01 2013-09-11 ジェリー・マハバブ 音声空間化及び環境シミュレーション
ES2666719T3 (es) * 2007-12-21 2018-05-07 Orange Codificación/decodificación por transformada, con ventanas adaptativas
TWI556227B (zh) 2009-05-27 2016-11-01 杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
US9338523B2 (en) * 2009-12-21 2016-05-10 Echostar Technologies L.L.C. Audio splitting with codec-enforced frame sizes
US9779736B2 (en) 2011-11-18 2017-10-03 Sirius Xm Radio Inc. Systems and methods for implementing efficient cross-fading between compressed audio streams
MX390026B (es) 2011-11-18 2025-03-20 Sirius Xm Radio Inc Sistemas y metodos que implementan la transicion gradual, los intersticiales y otros efectos corriente abajo.
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
WO2013134567A1 (en) 2012-03-06 2013-09-12 Sirius Xm Radio Inc. Systems and methods for audio attribute mapping
KR20150032614A (ko) * 2012-06-04 2015-03-27 삼성전자주식회사 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기
CN102739323B (zh) * 2012-06-16 2013-09-04 天地融科技股份有限公司 音频数据传输方法
TWI557727B (zh) * 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
US11308928B2 (en) 2014-09-25 2022-04-19 Sunhouse Technologies, Inc. Systems and methods for capturing and interpreting audio
EP3889954B1 (en) 2014-09-25 2024-05-08 Sunhouse Technologies, Inc. Method for extracting audio from sensors electrical signals

Family Cites Families (15)

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US4551688A (en) * 1984-05-23 1985-11-05 Rockwell International Corporation Delay compensated automatic gain control
US4625240A (en) * 1984-07-25 1986-11-25 Eeco, Inc. Adaptive automatic gain control
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
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.
DK0520068T3 (da) * 1991-01-08 1996-07-15 Dolby Ray Milton Koder/dekoder for flerdimensionale lydfelter
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
US5430485A (en) * 1993-09-30 1995-07-04 Thomson Consumer Electronics, Inc. Audio/video synchronization in a digital transmission system
US5920842A (en) * 1994-10-12 1999-07-06 Pixel Instruments Signal synchronization
HU215685B (hu) * 1994-11-04 1999-02-01 Koninklijke Philips Electronics N.V. Eljárás és berendezés széles sávú digitális adatjelek kódolására és dekódolására
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
AU712719B2 (en) * 1996-03-19 1999-11-11 Dolby Laboratories Licensing Corporation Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10511865B2 (en) 2014-09-09 2019-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio splicing concept
US11477497B2 (en) 2014-09-09 2022-10-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio splicing concept
US11882323B2 (en) 2014-09-09 2024-01-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio splicing concept
US12495170B2 (en) 2014-09-09 2025-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio splicing concept

Also Published As

Publication number Publication date
US5899969A (en) 1999-05-04
CA2305534A1 (en) 1999-04-29
KR20010024342A (ko) 2001-03-26
WO1999021371A1 (en) 1999-04-29
KR100591009B1 (ko) 2006-06-22
DK1023809T3 (da) 2001-05-07
ATE200722T1 (de) 2001-05-15
EP1023809B1 (en) 2001-04-18
DE69800717D1 (de) 2001-05-23
ES2156034T3 (es) 2001-06-01
JP2001521347A (ja) 2001-11-06
AU755358B2 (en) 2002-12-12
CA2305534C (en) 2007-03-27
EP1023809A1 (en) 2000-08-02
DE69800717T2 (de) 2001-09-13
AU9800998A (en) 1999-05-10

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