DK1023809T3 - Rammebaseret audiokodning med forstærkningsstyreord - Google Patents

Rammebaseret audiokodning med forstærkningsstyreord

Info

Publication number
DK1023809T3
DK1023809T3 DK98952266T DK98952266T DK1023809T3 DK 1023809 T3 DK1023809 T3 DK 1023809T3 DK 98952266 T DK98952266 T DK 98952266T DK 98952266 T DK98952266 T DK 98952266T DK 1023809 T3 DK1023809 T3 DK 1023809T3
Authority
DK
Denmark
Prior art keywords
audio
splice
information
technique
control words
Prior art date
Application number
DK98952266T
Other languages
Danish (da)
English (en)
Inventor
Louis Dunn Fielder
Craig Campbell Todd
Original Assignee
Dolby Lab 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 Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1023809T3 publication Critical patent/DK1023809T3/da

Links

Classifications

    • 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

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)
DK98952266T 1997-10-17 1998-10-13 Rammebaseret audiokodning med forstærkningsstyreord DK1023809T3 (da)

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 (fr) 1997-10-17 1998-10-13 Codage acoustique base sur des trames realise par des mots a commande de gain

Publications (1)

Publication Number Publication Date
DK1023809T3 true DK1023809T3 (da) 2001-05-07

Family

ID=25493823

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98952266T DK1023809T3 (da) 1997-10-17 1998-10-13 Rammebaseret audiokodning med forstærkningsstyreord

Country Status (11)

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

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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 (fr) * 2003-04-24 2006-02-01 Koninklijke Philips Electronics N.V. Analyse de caracteristiques temporelles parametrees
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 (fr) 2012-04-17 2013-10-24 Sirius Xm Radio Inc. Fondu enchaîné côté serveur pour un support de téléchargement progressif
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 (fr) 2014-09-09 2016-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept d'épissage audio
EP3889954B1 (fr) 2014-09-25 2024-05-08 Sunhouse Technologies, Inc. Procédé d'extraction audio à partir des signaux electriques de capteurs
US11308928B2 (en) 2014-09-25 2022-04-19 Sunhouse Technologies, Inc. Systems and methods for capturing and interpreting audio

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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 (fr) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Codeur/decodeur pour champs sonores a dimensions multiples
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 (fr) 1999-04-29
EP1023809A1 (fr) 2000-08-02
ES2156034T3 (es) 2001-06-01
DE69800717D1 (de) 2001-05-23
DE69800717T2 (de) 2001-09-13
CA2305534A1 (fr) 1999-04-29
KR20010024342A (ko) 2001-03-26
JP4229586B2 (ja) 2009-02-25
US5899969A (en) 1999-05-04
ATE200722T1 (de) 2001-05-15
KR100591009B1 (ko) 2006-06-22
JP2001521347A (ja) 2001-11-06
EP1023809B1 (fr) 2001-04-18
CA2305534C (fr) 2007-03-27
AU755358B2 (en) 2002-12-12
AU9800998A (en) 1999-05-10

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