7.每采样值8位(码)的重复速率比4位的重复速率高 The repetition rate of 8-digits per sample value is higher than that of 4-digits 8.话音信号是一个模拟信号,通过采样、量化和编码, 我们可以实现话音信号的数字传输 The speech signal is a analog one, and we can perform its digital transmission by sampling, quantizing and coding.7. 每采样值8位（码）的重复速率比4位的重复速率高。 The repetition rate of 8-digits per sample value is higher than that of 4-digits. 8. 话音信号是一个模拟信号，通过采样、量化和编码， 我们可以实现话音信号的数字传输。 The speech signal is a analog one, and we can perform its digital transmission by sampling, quantizing and coding