传真信号的频带压缩
band compression of facsimile signal
带宽压缩技术
BCT Bandwidth Compression Technique
频带压缩
band compression
bandwidth compression
Frequency band compression
频带压缩技术
band compression technique
语音频带压缩器
VOBANC VOice BANd Compressor
语音频宽压缩
bandwidth compression of speech