G.723.1语音压缩编码的英文原文和中文译文。该协议是双速率语音压缩编码，提供5.3和6.3kbps的速率，占用很窄的带宽。-G.723.1 voice coding the original English and Chinese translations. The agreement is a two-bit-rate speech coding, and 5.3. Rate, which takes up a very narrow bandwidth.