JP2001521308A5 - - Google Patents

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Publication number
JP2001521308A5
JP2001521308A5 JP2000517417A JP2000517417A JP2001521308A5 JP 2001521308 A5 JP2001521308 A5 JP 2001521308A5 JP 2000517417 A JP2000517417 A JP 2000517417A JP 2000517417 A JP2000517417 A JP 2000517417A JP 2001521308 A5 JP2001521308 A5 JP 2001521308A5
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JP
Japan
Prior art keywords
frame
block
window
audio
function
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.)
Granted
Application number
JP2000517417A
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English (en)
Japanese (ja)
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JP4126680B2 (ja
JP2001521308A (ja
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Publication date
Priority claimed from US08/953,106 external-priority patent/US5903872A/en
Application filed filed Critical
Publication of JP2001521308A publication Critical patent/JP2001521308A/ja
Publication of JP2001521308A5 publication Critical patent/JP2001521308A5/ja
Application granted granted Critical
Publication of JP4126680B2 publication Critical patent/JP4126680B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2000517417A 1997-10-17 1998-10-15 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 JP4126680B2 (ja)

Applications Claiming Priority (3)

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
US08/953,106 1997-10-17
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 (3)

Publication Number Publication Date
JP2001521308A JP2001521308A (ja) 2001-11-06
JP2001521308A5 true JP2001521308A5 (https=) 2006-02-09
JP4126680B2 JP4126680B2 (ja) 2008-07-30

Family

ID=25493577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000517417A Expired - Lifetime JP4126680B2 (ja) 1997-10-17 1998-10-15 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 (15)

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

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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
AU2003236150A1 (en) 2002-04-26 2003-11-10 China Petroleum And Chemical Corporation Downflow catalytic cracking reactor and use thereof
US7292902B2 (en) * 2003-11-12 2007-11-06 Dolby Laboratories Licensing Corporation Frame-based audio transmission/storage with overlap to facilitate smooth crossfading
JP2009543112A (ja) * 2006-06-29 2009-12-03 エヌエックスピー ビー ヴィ 音声パラメータの復号化
JP5302190B2 (ja) * 2007-05-24 2013-10-02 パナソニック株式会社 オーディオ復号装置、オーディオ復号方法、プログラム及び集積回路
JP5044019B2 (ja) * 2007-07-13 2012-10-10 ドルビー ラボラトリーズ ライセンシング コーポレイション レベルの時変の推定された確率密度を使用する時変オーディオ信号レベル
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
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
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
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
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
KR101838301B1 (ko) * 2012-02-17 2018-03-13 삼성전자주식회사 멀티미디어 컨텐츠 프레임 검색 방법 및 장치
EP2898506B1 (en) 2012-09-21 2018-01-17 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
EP3998605A1 (en) * 2014-06-10 2022-05-18 MQA Limited Digital encapsulation of audio signals
US10861471B2 (en) * 2015-06-10 2020-12-08 Sony Corporation Signal processing apparatus, signal processing method, and program
MY196436A (en) * 2016-01-22 2023-04-11 Fraunhofer Ges Forschung Apparatus and Method for Encoding or Decoding a Multi-Channel Signal Using Frame Control Synchronization
AU2017219696B2 (en) * 2016-02-17 2018-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
US10726851B2 (en) * 2017-08-31 2020-07-28 Sony Interactive Entertainment Inc. Low latency audio stream acceleration by selectively dropping and blending audio blocks
CN116721670A (zh) * 2023-04-24 2023-09-08 武汉海微科技有限公司 分段音频信号的滤波方法、装置、设备及存储介质

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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
EP0520068B1 (en) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
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
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
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
WO1995032556A1 (en) * 1994-05-19 1995-11-30 Philips Electronics N.V. Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto
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
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

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