CN107408392A8 - 音频带宽选择 - Google Patents

音频带宽选择 Download PDF

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Publication number
CN107408392A8
CN107408392A8 CN201680017331.3A CN201680017331A CN107408392A8 CN 107408392 A8 CN107408392 A8 CN 107408392A8 CN 201680017331 A CN201680017331 A CN 201680017331A CN 107408392 A8 CN107408392 A8 CN 107408392A8
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China
Prior art keywords
audio frame
decoder
decoded
voice
audio bandwidth
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CN201680017331.3A
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CN107408392B (zh
CN107408392A (zh
Inventor
芬卡特拉曼·S·阿提
文卡塔·萨伯拉曼亚姆·强卓·赛克哈尔·奇比亚姆
维韦克·拉金德朗
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Qualcomm Inc
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Qualcomm Inc
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Publication of CN107408392A8 publication Critical patent/CN107408392A8/zh
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude

Abstract

一种装置包含经配置以接收音频流的音频帧的接收器。所述装置还包含解码器，其经配置以产生与所述音频帧相关联的第一经解码语音，且确定被分类为与频带有限内容相关联的音频帧的计数。所述解码器经进一步配置以基于所述第一经解码语音输出第二经解码语音。可根据所述解码器的输出模式产生所述第二经解码语音。可至少部分基于音频帧的所述计数而选择所述输出模式。
CN201680017331.3A 2015-04-05 2016-03-30 译码方法和设备 Active CN107408392B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562143158P 2015-04-05 2015-04-05
US62/143,158 2015-04-05
US15/083,717 2016-03-29
US15/083,717 US10049684B2 (en) 2015-04-05 2016-03-29 Audio bandwidth selection
PCT/US2016/025053 WO2016164232A1 (en) 2015-04-05 2016-03-30 Audio bandwidth selection

Publications (3)

Publication Number Publication Date
CN107408392A CN107408392A (zh) 2017-11-28
CN107408392A8 true CN107408392A8 (zh) 2018-01-12
CN107408392B CN107408392B (zh) 2021-07-30

Family

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CN201680017331.3A Active CN107408392B (zh) 2015-04-05 2016-03-30 译码方法和设备

Country Status (9)

Country Link
US (2) US10049684B2 (zh)
EP (1) EP3281199B1 (zh)
JP (1) JP6545815B2 (zh)
KR (2) KR102047596B1 (zh)
CN (1) CN107408392B (zh)
AU (1) AU2016244808B2 (zh)
BR (1) BR112017021351A2 (zh)
TW (2) TWI661422B (zh)
WO (1) WO2016164232A1 (zh)

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Also Published As

Publication number Publication date
EP3281199B1 (en) 2023-10-04
KR102308579B1 (ko) 2021-10-01
US20160293174A1 (en) 2016-10-06
EP3281199A1 (en) 2018-02-14
TW201703026A (zh) 2017-01-16
EP3281199C0 (en) 2023-10-04
KR20190130669A (ko) 2019-11-22
US10777213B2 (en) 2020-09-15
TWI693596B (zh) 2020-05-11
US10049684B2 (en) 2018-08-14
WO2016164232A1 (en) 2016-10-13
TW201928946A (zh) 2019-07-16
US20180342255A1 (en) 2018-11-29
TWI661422B (zh) 2019-06-01
AU2016244808A1 (en) 2017-09-14
JP2018513411A (ja) 2018-05-24
AU2016244808B2 (en) 2019-08-22
BR112017021351A2 (pt) 2018-07-03
CN107408392B (zh) 2021-07-30
KR20170134461A (ko) 2017-12-06
CN107408392A (zh) 2017-11-28
JP6545815B2 (ja) 2019-07-17
KR102047596B1 (ko) 2019-11-21

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CI02 Correction of invention patent application

Correction item: Classification number

Correct: G10L 19/26(2013.01)|G10L 21/0316(2013.01)

False: A99Z 99/00(2006.01)

Number: 48-01

Page: The title page

Volume: 33

CI02 Correction of invention patent application
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