Title:
音声活動検出方法及び装置
Document Type and Number:
Japanese Patent JP6412132
Kind Code:
B2
Abstract:
Disclosed are a voice activity detection method and device, wherein the method includes: obtaining an ultimate combined VAD judgment result according to the number of continuous active frames, an average total SNR of all sub-bands, a tonal signal flag, and at least two existing VAD judgment results (107). The method and device are suitable for voice service, solve the problem of inaccurate VAD detection and realize highly accurate VAD judgment.
Inventors:
Ju, Chambao
Yuan, Hao
Yuan, Hao
Application Number:
JP2016537092A
Publication Date:
October 24, 2018
Filing Date:
May 16, 2014
Export Citation:
Assignee:
ZTE CORPORATION
International Classes:
G10L25/78
Domestic Patent References:
| JP2007156493A | ||||
| JP2013508744A | ||||
| JP2013520707A | ||||
| JP2001516463A | ||||
| JP2013050604A | ||||
| JP2004020679A |
Foreign References:
| WO2012083552A1 | ||||
| WO2013106192A1 |
Other References:
Digital cellular telecommunications system (Phase 2+); Voice Activity Detector (VAD) for Adaptive Multi-Rate (AMR) speech traffic channels; General description (GSM 06.94 version 7.1.0 Release 1998); Draft ETSI EN 301 708,1999年 7月 1日
Attorney, Agent or Firm:
Yusuke Hiraki
Hidekazu Matsumaru
Hidekazu Matsumaru