CN1310210C - 使用解码信号的特征适配合成频谱分量的音频编码系统 - Google Patents

使用解码信号的特征适配合成频谱分量的音频编码系统 Download PDF

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Publication number
CN1310210C
CN1310210C CNB038139693A CN03813969A CN1310210C CN 1310210 C CN1310210 C CN 1310210C CN B038139693 A CNB038139693 A CN B038139693A CN 03813969 A CN03813969 A CN 03813969A CN 1310210 C CN1310210 C CN 1310210C
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signal
component
subband signal
spectrum component
subband
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Chinese (zh)
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CN1662960A (zh
Inventor
格兰特·A.·戴维森
迈克尔·M.·杜鲁门
马修·C.·费勒斯
马克·S.·文顿
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CNB038139693A 2002-06-17 2003-06-09 使用解码信号的特征适配合成频谱分量的音频编码系统 Expired - Lifetime CN1310210C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
US10/174,493 2002-06-17
US10/238,047 US7337118B2 (en) 2002-06-17 2002-09-06 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
US10/238,047 2002-09-06

Publications (2)

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CN1662960A CN1662960A (zh) 2005-08-31
CN1310210C true CN1310210C (zh) 2007-04-11

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CNB038139693A Expired - Lifetime CN1310210C (zh) 2002-06-17 2003-06-09 使用解码信号的特征适配合成频谱分量的音频编码系统

Country Status (10)

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US (1) US20080140405A1 (enExample)
EP (1) EP1514263B1 (enExample)
JP (1) JP2005530206A (enExample)
CN (1) CN1310210C (enExample)
AU (1) AU2003243441C1 (enExample)
CA (1) CA2489443C (enExample)
MX (1) MXPA04012540A (enExample)
PL (1) PL207861B1 (enExample)
TW (1) TWI288915B (enExample)
WO (1) WO2003107329A1 (enExample)

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ES2654432T3 (es) * 2008-07-11 2018-02-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de señal de audio, método para generar una señal de audio y programa informático
EP2239732A1 (en) 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
CO6440537A2 (es) 2009-04-09 2012-05-15 Fraunhofer Ges Forschung Aparato y metodo para generar una señal de audio de sintesis y para codificar una señal de audio
CN101556799B (zh) 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
CN102576531B (zh) * 2009-10-12 2015-01-21 诺基亚公司 用于处理多信道音频信号的方法、设备
KR20240121348A (ko) 2010-01-19 2024-08-08 돌비 인터네셔널 에이비 고조파 전위에 기초하여 개선된 서브밴드 블록
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
EP2817803B1 (en) * 2012-02-23 2016-02-03 Dolby International AB Methods and systems for efficient recovery of high frequency audio content
JP6200034B2 (ja) * 2012-04-27 2017-09-20 株式会社Ｎｔｔドコモ 音声復号装置
US9607602B2 (en) * 2013-09-06 2017-03-28 Apple Inc. ANC system with SPL-controlled output
US10090005B2 (en) * 2016-03-10 2018-10-02 Aspinity, Inc. Analog voice activity detection
CN113053351B (zh) * 2021-03-14 2024-01-30 西北工业大学 一种基于听觉感知的飞机舱内噪声合成方法

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CN1272259A (zh) * 1997-06-10 2000-11-01 拉斯·古斯塔夫·里杰利德 采用频带复现增强源编码

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JP3254953B2 (ja) * 1995-02-17 2002-02-12 日本ビクター株式会社 音声高能率符号化装置
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CN1272259A (zh) * 1997-06-10 2000-11-01 拉斯·古斯塔夫·里杰利德 采用频带复现增强源编码
WO2000045379A2 (en) * 1999-01-27 2000-08-03 Coding Technologies Sweden Ab Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting

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MXPA04012540A (es) 2005-04-28
CA2489443A1 (en) 2003-12-24
CA2489443C (en) 2012-04-10
JP2005530206A (ja) 2005-10-06
AU2003243441A1 (en) 2003-12-31
PL207861B1 (pl) 2011-02-28
AU2003243441C1 (en) 2009-07-30
US20080140405A1 (en) 2008-06-12
AU2003243441B2 (en) 2008-12-11
EP1514263B1 (en) 2010-06-02
WO2003107329A1 (en) 2003-12-24
TW200400487A (en) 2004-01-01
EP1514263A1 (en) 2005-03-16
PL371898A1 (en) 2005-07-11
CN1662960A (zh) 2005-08-31
TWI288915B (en) 2007-10-21

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