【摘要】 介绍了一种以DSP芯片为核心的语音端点检测模块,用于有线/无线自动转接设备。所采用的语音端点检测算法应用多个语音特征参量进行联合检测,达到了比较满意的端点检测效果。该模块应用于系统中能够实现通话方语音对通话过程的自动控制。更多还原

【Abstract】 We presented a new Voice Activity Detection algorithm with combined employ-ment of short-time energy short-time zero crossing rate and short-time auto-correlation.The ap-plication was implemented using the circuit based on the DSP chip TMS320VC5402,and run in a radio /PSTN network auto switch system.The circuit provides good performance in the system and can fulfill the auto control of communication process by the speaker’s voice.[更多还原