KR100630893B1 - 프레임 경계에서 분광 스플래터를 감쇠하기 위한 추가의필터뱅크를 갖는 프레임 기반 오디오 코딩 - Google Patents

프레임 경계에서 분광 스플래터를 감쇠하기 위한 추가의필터뱅크를 갖는 프레임 기반 오디오 코딩 Download PDF

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KR100630893B1
KR100630893B1 KR1020007003420A KR20007003420A KR100630893B1 KR 100630893 B1 KR100630893 B1 KR 100630893B1 KR 1020007003420 A KR1020007003420 A KR 1020007003420A KR 20007003420 A KR20007003420 A KR 20007003420A KR 100630893 B1 KR100630893 B1 KR 100630893B1
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synthesis
block
filterbank
frame
encoded
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Korean (ko)
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KR20010024341A (ko
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루이스 던 필더
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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    • 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

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  • 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)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Stereophonic System (AREA)
KR1020007003420A 1997-10-17 1998-10-15 프레임 경계에서 분광 스플래터를 감쇠하기 위한 추가의필터뱅크를 갖는 프레임 기반 오디오 코딩 Expired - Lifetime KR100630893B1 (ko)

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
US08/953,106 1997-10-17

Publications (2)

Publication Number Publication Date
KR20010024341A KR20010024341A (ko) 2001-03-26
KR100630893B1 true KR100630893B1 (ko) 2006-10-02

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KR1020007003420A Expired - Lifetime KR100630893B1 (ko) 1997-10-17 1998-10-15 프레임 경계에서 분광 스플래터를 감쇠하기 위한 추가의필터뱅크를 갖는 프레임 기반 오디오 코딩

Country Status (15)

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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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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
JP4456876B2 (ja) 2002-04-26 2010-04-28 中国石油化工股▲分▼有限公司 ダウンフロー接触分解反応器およびその応用
US7292902B2 (en) * 2003-11-12 2007-11-06 Dolby Laboratories Licensing Corporation Frame-based audio transmission/storage with overlap to facilitate smooth crossfading
WO2008001316A2 (en) * 2006-06-29 2008-01-03 Nxp B.V. Decoding sound parameters
EP2112653A4 (en) * 2007-05-24 2013-09-11 Panasonic Corp AUDIO DECODING DEVICE, AUDIO DECODING METHOD, PROGRAM, AND INTEGRATED CIRCUIT
DE602008003236D1 (de) * 2007-07-13 2010-12-09 Dolby Lab Licensing Corp Zeitvariierender tonsignalpegel unter verwendung vsdichte des pegels
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
EP2232489B1 (fr) * 2007-12-21 2018-02-07 Orange Codage/decodage par transformee, a fenetres adaptatives
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
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
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
WO2014046916A1 (en) * 2012-09-21 2014-03-27 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
EP4002359B1 (en) * 2014-06-10 2025-09-03 Lenbrook Industries Limited Digital encapsulation of audio signals
JP6807031B2 (ja) * 2015-06-10 2021-01-06 ソニー株式会社 信号処理装置、信号処理方法、およびプログラム
ES2768052T3 (es) 2016-01-22 2020-06-19 Fraunhofer Ges Forschung Aparatos y procedimientos para codificar o decodificar una señal de audio multicanal usando sincronización de control de trama
MY191093A (en) * 2016-02-17 2022-05-30 Fraunhofer Ges Forschung 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

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Also Published As

Publication number Publication date
BR9812921A (pt) 2000-08-08
AU745914B2 (en) 2002-04-11
CN1275234A (zh) 2000-11-29
TW391137B (en) 2000-05-21
EP1023730B1 (en) 2001-12-12
EP1023730A1 (en) 2000-08-02
DE69802959T2 (de) 2002-06-20
CA2305237C (en) 2005-12-20
WO1999021187A1 (en) 1999-04-29
CN1199179C (zh) 2005-04-27
BR9812921B1 (pt) 2010-11-30
MY117166A (en) 2004-05-31
ATE210881T1 (de) 2001-12-15
CA2305237A1 (en) 1999-04-29
KR20010024341A (ko) 2001-03-26
US5903872A (en) 1999-05-11
ES2165200T3 (es) 2002-03-01
HK1033194A1 (en) 2001-08-17
AU1360899A (en) 1999-05-10
DE69802959D1 (de) 2002-01-24
JP2001521308A (ja) 2001-11-06
JP4126680B2 (ja) 2008-07-30
DK1023730T3 (da) 2002-04-02

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