ATE210881T1 - Rahmenbasierte audiokodierung mit zusätzlichen filterbänken zur unterdrückung von spektralen verzerrungen an rahmengrenzen - Google Patents

Rahmenbasierte audiokodierung mit zusätzlichen filterbänken zur unterdrückung von spektralen verzerrungen an rahmengrenzen

Info

Publication number
ATE210881T1
ATE210881T1 AT98957324T AT98957324T ATE210881T1 AT E210881 T1 ATE210881 T1 AT E210881T1 AT 98957324 T AT98957324 T AT 98957324T AT 98957324 T AT98957324 T AT 98957324T AT E210881 T1 ATE210881 T1 AT E210881T1
Authority
AT
Austria
Prior art keywords
audio
splice
information
frame
technique
Prior art date
Application number
AT98957324T
Other languages
German (de)
English (en)
Inventor
Louis Dunn Fielder
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 ATE210881T1 publication Critical patent/ATE210881T1/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereophonic System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AT98957324T 1997-10-17 1998-10-15 Rahmenbasierte audiokodierung mit zusätzlichen filterbänken zur unterdrückung von spektralen verzerrungen an rahmengrenzen ATE210881T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/953,106 US5903872A (en) 1997-10-17 1997-10-17 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
PCT/US1998/021700 WO1999021187A1 (en) 1997-10-17 1998-10-15 Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries

Publications (1)

Publication Number Publication Date
ATE210881T1 true ATE210881T1 (de) 2001-12-15

Family

ID=25493577

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98957324T ATE210881T1 (de) 1997-10-17 1998-10-15 Rahmenbasierte audiokodierung mit zusätzlichen filterbänken zur unterdrückung von spektralen verzerrungen an rahmengrenzen

Country Status (15)

Country Link
US (1) US5903872A (enExample)
EP (1) EP1023730B1 (enExample)
JP (1) JP4126680B2 (enExample)
KR (1) KR100630893B1 (enExample)
CN (1) CN1199179C (enExample)
AT (1) ATE210881T1 (enExample)
AU (1) AU745914B2 (enExample)
BR (1) BR9812921B1 (enExample)
CA (1) CA2305237C (enExample)
DE (1) DE69802959T2 (enExample)
DK (1) DK1023730T3 (enExample)
ES (1) ES2165200T3 (enExample)
MY (1) MY117166A (enExample)
TW (1) TW391137B (enExample)
WO (1) WO1999021187A1 (enExample)

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US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
US7283965B1 (en) * 1999-06-30 2007-10-16 The Directv Group, Inc. Delivery and transmission of dolby digital AC-3 over television broadcast
US6748363B1 (en) * 2000-06-28 2004-06-08 Texas Instruments Incorporated TI window compression/expansion method
EP1215663A1 (en) * 2000-12-15 2002-06-19 BRITISH TELECOMMUNICATIONS public limited company Encoding audio signals
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
FR2824978B1 (fr) * 2001-05-15 2003-09-19 Wavecom Sa Dispositif et procede de traitement d'un signal audio
KR100939503B1 (ko) 2002-04-26 2010-01-29 차이나 페트로리움 앤드 케미컬 코포레이션 하향류 접촉분해 반응기 및 이의 용도
US7292902B2 (en) * 2003-11-12 2007-11-06 Dolby Laboratories Licensing Corporation Frame-based audio transmission/storage with overlap to facilitate smooth crossfading
EP2038882A2 (en) * 2006-06-29 2009-03-25 Nxp B.V. Decoding sound parameters
US8428953B2 (en) * 2007-05-24 2013-04-23 Panasonic Corporation Audio decoding device, audio decoding method, program, and integrated circuit
TWI467568B (zh) * 2007-07-13 2015-01-01 Dolby Lab Licensing Corp 使用位準時變評估機率密度之時變音訊信號位準
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
US8253609B2 (en) * 2007-12-21 2012-08-28 France Telecom Transform-based coding/decoding, with adaptive windows
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI591625B (zh) 2009-05-27 2017-07-11 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
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
KR101838301B1 (ko) * 2012-02-17 2018-03-13 삼성전자주식회사 멀티미디어 컨텐츠 프레임 검색 방법 및 장치
US9460729B2 (en) * 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
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
KR102503347B1 (ko) * 2014-06-10 2023-02-23 엠큐에이 리미티드 오디오 신호의 디지털 캡슐화
US10861471B2 (en) * 2015-06-10 2020-12-08 Sony Corporation Signal processing apparatus, signal processing method, and program
CA3011914C (en) 2016-01-22 2021-08-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization
PT3417544T (pt) * 2016-02-17 2020-03-02 Fraunhofer Ges Forschung Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente
US10726851B2 (en) * 2017-08-31 2020-07-28 Sony Interactive Entertainment Inc. Low latency audio stream acceleration by selectively dropping and blending audio blocks

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JPS60214164A (ja) * 1984-04-09 1985-10-26 Nec Corp オ−デイオシンクロナイザ
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay 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.
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
KR100228688B1 (ko) * 1991-01-08 1999-11-01 쥬더 에드 에이. 다차원 음장용 인코우더/디코우더
ZA921988B (en) * 1991-03-29 1993-02-24 Sony Corp High efficiency digital data encoding and decoding apparatus
JP3141450B2 (ja) * 1991-09-30 2001-03-05 ソニー株式会社 オーディオ信号処理方法
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US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels

Also Published As

Publication number Publication date
MY117166A (en) 2004-05-31
WO1999021187A1 (en) 1999-04-29
AU745914B2 (en) 2002-04-11
CA2305237A1 (en) 1999-04-29
JP4126680B2 (ja) 2008-07-30
HK1033194A1 (en) 2001-08-17
KR20010024341A (ko) 2001-03-26
CN1199179C (zh) 2005-04-27
DE69802959D1 (de) 2002-01-24
ES2165200T3 (es) 2002-03-01
BR9812921B1 (pt) 2010-11-30
CA2305237C (en) 2005-12-20
EP1023730A1 (en) 2000-08-02
EP1023730B1 (en) 2001-12-12
AU1360899A (en) 1999-05-10
US5903872A (en) 1999-05-11
BR9812921A (pt) 2000-08-08
DE69802959T2 (de) 2002-06-20
DK1023730T3 (da) 2002-04-02
CN1275234A (zh) 2000-11-29
TW391137B (en) 2000-05-21
KR100630893B1 (ko) 2006-10-02
JP2001521308A (ja) 2001-11-06

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