CN115244618B - 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 - Google Patents

声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 Download PDF

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CN115244618B
CN115244618B CN202080098103.XA CN202080098103A CN115244618B CN 115244618 B CN115244618 B CN 115244618B CN 202080098103 A CN202080098103 A CN 202080098103A CN 115244618 B CN115244618 B CN 115244618B
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signal
channel
subtraction gain
sound signal
left channel
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CN115244618A (zh
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杉浦亮介
守谷健弘
镰本优
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Entiti 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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
CN202080098103.XA 2020-03-09 2020-03-09 声音信号编码方法、声音信号解码方法、声音信号编码装置、声音信号解码装置、程序产品以及记录介质 Active CN115244618B (zh)

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PCT/JP2020/010081 WO2021181473A1 (ja) 2020-03-09 2020-03-09 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体

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US (1) US12374343B2 (https=)
EP (1) EP4120251B1 (https=)
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Citations (1)

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WO2006070751A1 (ja) * 2004-12-27 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
US8200351B2 (en) * 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
CA2684975C (en) * 2007-04-26 2016-08-02 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
BRPI0908630B1 (pt) * 2008-05-23 2020-09-15 Koninklijke Philips N.V. Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
WO2010097748A1 (en) * 2009-02-27 2010-09-02 Koninklijke Philips Electronics N.V. Parametric stereo encoding and decoding
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MX2017007165A (es) * 2014-12-01 2017-11-17 Inscape Data Inc Sistema y metodo para identificacion continua de segmentos de medios.
ES2949991T3 (es) * 2015-09-25 2023-10-04 Voiceage Corp Método y sistema para la mezcla en el dominio del tiempo de una señal de sonido estéreo en canales primario y secundario mediante el uso de la detección de un estado de desfase de los canales izquierdo y derecho
RU2725178C1 (ru) * 2016-11-08 2020-06-30 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для кодирования или декодирования многоканального сигнала с использованием коэффициента передачи побочного сигнала и коэффициента передачи остаточного сигнала
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CN120526780A (zh) * 2020-03-09 2025-08-22 日本电信电话株式会社 声音信号缩混方法、编码方法、缩混装置及程序

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN103180899A (zh) * 2010-11-17 2013-06-26 松下电器产业株式会社 立体声信号编码装置、立体声信号解码装置、立体声信号编码方法及立体声信号解码方法

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EP4120251B1 (en) 2024-12-18
EP4120251A4 (en) 2023-11-15
WO2021181473A1 (ja) 2021-09-16
EP4120251A1 (en) 2023-01-18
CN115244618A (zh) 2022-10-25
JPWO2021181473A1 (https=) 2021-09-16
US20230086460A1 (en) 2023-03-23
US12374343B2 (en) 2025-07-29
JP7380838B2 (ja) 2023-11-15

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