CN115699173A - 语音活动检测方法和装置 - Google Patents

语音活动检测方法和装置 Download PDF

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Publication number
CN115699173A
CN115699173A CN202080101920.6A CN202080101920A CN115699173A CN 115699173 A CN115699173 A CN 115699173A CN 202080101920 A CN202080101920 A CN 202080101920A CN 115699173 A CN115699173 A CN 115699173A
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China
Prior art keywords
audio data
frames
path
vad
paths
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CN202080101920.6A
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柯波
任博
鄢展鹏
王纪会
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN115699173A publication Critical patent/CN115699173A/zh
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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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (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)
  • Circuit For Audible Band Transducer (AREA)

Abstract

一种语音活动检测方法和装置，涉及语音检测领域，用于提高VAD的准确率。语音活动检测方法包括：按帧获取N路音频数据，其中，N为大于或等于2的整数(S501)；针对每一帧，计算每路音频数据在高频子带的自相关系数(S502)；针对每一帧，根据N路音频数据的自相关系数，选择对N路音频数据中的至少一路音频数据进行VAD(S503)。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN202080101920.6A 2020-06-16 2020-06-16 语音活动检测方法和装置 Pending CN115699173A (zh)

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PCT/CN2020/096392 WO2021253235A1 (zh) 2020-06-16 2020-06-16 语音活动检测方法和装置

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CN115699173A true CN115699173A (zh) 2023-02-03

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WO (1) WO2021253235A1 (zh)

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CN115862685A (zh) * 2023-02-27 2023-03-28 全时云商务服务股份有限公司 一种实时语音活动的检测方法、装置和电子设备

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115862685A (zh) * 2023-02-27 2023-03-28 全时云商务服务股份有限公司 一种实时语音活动的检测方法、装置和电子设备
CN115862685B (zh) * 2023-02-27 2023-09-15 全时云商务服务股份有限公司 一种实时语音活动的检测方法、装置和电子设备

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