DE69800717T2 - Kodierung von tonrastern mit verstärkungregelungswörtern - Google Patents

Kodierung von tonrastern mit verstärkungregelungswörtern

Info

Publication number
DE69800717T2
DE69800717T2 DE69800717T DE69800717T DE69800717T2 DE 69800717 T2 DE69800717 T2 DE 69800717T2 DE 69800717 T DE69800717 T DE 69800717T DE 69800717 T DE69800717 T DE 69800717T DE 69800717 T2 DE69800717 T2 DE 69800717T2
Authority
DE
Germany
Prior art keywords
signal
audio
gain control
control words
output 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
Application number
DE69800717T
Other languages
German (de)
English (en)
Other versions
DE69800717D1 (de
Inventor
Dunn Fielder
Campbell Todd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE69800717D1 publication Critical patent/DE69800717D1/de
Application granted granted Critical
Publication of DE69800717T2 publication Critical patent/DE69800717T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (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)
  • Control Of Amplification And Gain Control (AREA)
  • Stereophonic System (AREA)
DE69800717T 1997-10-17 1998-10-13 Kodierung von tonrastern mit verstärkungregelungswörtern Expired - Lifetime DE69800717T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
DE69800717D1 DE69800717D1 (de) 2001-05-23
DE69800717T2 true DE69800717T2 (de) 2001-09-13

Family

ID=25493823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800717T Expired - Lifetime DE69800717T2 (de) 1997-10-17 1998-10-13 Kodierung von tonrastern mit verstärkungregelungswörtern

Country Status (11)

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

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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
CN1237507C (zh) * 2001-06-08 2006-01-18 皇家菲利浦电子有限公司 音频信号的编辑
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
EP1620811A1 (en) * 2003-04-24 2006-02-01 Koninklijke Philips Electronics N.V. Parameterized temporal feature analysis
JP4495209B2 (ja) * 2004-03-12 2010-06-30 ノキア コーポレイション 符号化済みマルチチャンネルオーディオ信号に基づくモノオーディオ信号の合成
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
CN103716748A (zh) * 2007-03-01 2014-04-09 杰里·马哈布比 音频空间化及环境模拟
BRPI0821091B1 (pt) * 2007-12-21 2020-11-10 France Telecom processo e dispositivo de codificação/decodificação por transformada com janelas adaptativas, e memória legível por computador
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI675367B (zh) 2009-05-27 2019-10-21 瑞典商杜比國際公司 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
US9338523B2 (en) * 2009-12-21 2016-05-10 Echostar Technologies L.L.C. Audio splitting with codec-enforced frame sizes
MX356063B (es) 2011-11-18 2018-05-14 Sirius Xm Radio Inc Sistemas y metodos que implementan la transicion gradual, los intersticiales y otros efectos corriente abajo.
WO2013158787A1 (en) 2012-04-17 2013-10-24 Sirius Xm Radio Inc. Server side crossfade for progressive download media
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US20150309844A1 (en) * 2012-03-06 2015-10-29 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
EP2996269A1 (en) 2014-09-09 2016-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio splicing concept
EP3889954B1 (en) 2014-09-25 2024-05-08 Sunhouse Technologies, Inc. Method for extracting audio from sensors electrical signals
US11308928B2 (en) 2014-09-25 2022-04-19 Sunhouse Technologies, Inc. Systems and methods for capturing and interpreting audio

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
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.
EP0520068B1 (en) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
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
DE69525836T2 (de) * 1994-11-04 2002-11-21 Koninklijke Philips Electronics N.V., Eindhoven Kodierung und dekodierung eines breitbandigen digitalen informationssignals
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
JP4033906B2 (ja) * 1996-03-19 2008-01-16 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 時間領域エイリアシング相殺を用いる効率的奇数積重ね単一側波帯フィルタバンクを有する分析・合成濾波システム

Also Published As

Publication number Publication date
WO1999021371A1 (en) 1999-04-29
EP1023809A1 (en) 2000-08-02
ES2156034T3 (es) 2001-06-01
DE69800717D1 (de) 2001-05-23
CA2305534A1 (en) 1999-04-29
KR20010024342A (ko) 2001-03-26
JP4229586B2 (ja) 2009-02-25
US5899969A (en) 1999-05-04
DK1023809T3 (da) 2001-05-07
ATE200722T1 (de) 2001-05-15
KR100591009B1 (ko) 2006-06-22
JP2001521347A (ja) 2001-11-06
EP1023809B1 (en) 2001-04-18
CA2305534C (en) 2007-03-27
AU755358B2 (en) 2002-12-12
AU9800998A (en) 1999-05-10

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