speech band meaning in Chinese

话音频带
语音频带

Specification for modems for connection to public switched telephone networks and speech band private circuits run by certain public telecommunications operators
由某些特定公共电信话务员经管的与公共转换电话网络和语言频带私人电路连接的调制解调器规范
After having the keynote cycle , it separately processes harmonic waves of speech band ; whereafter takes v / u judgement / verdict and amplitude estimate to each band
得到基音周期后,对语音帧频带按基音频率的谐波进行分带处理,并对每个带进行v / u判决和幅度估计。