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- Measurements of PCM voice encode/decode performance require much time and labor. PCM 系统的话声音编码/解码的测试需要更多的时间和工作量。
- This article presents a compressing algorithm for PCM voice according to its own character. The compressing theory and its realization are introduced in detail in this article. 摘要介绍了一种PCM语音数据格式的压缩算法，这种压缩算法是根据PCM语音固有的连续性特征来实现的，并具体讲述了其压缩的原理和实现的过程。
- General test method for transmission performance of PCM voice channel in telecommunication network 电信网中脉冲编码调制音频通路传输特性常用测试方法
- His vibrant voice commove the air. 他响亮的声音振动了空气。
- There was a tremor in her voice. 她的声音有点颤抖。
- Her beautiful voice charms everyone. 她优美的声音迷醉了每个人。
- A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。
- He had such a bad cold he lost his voice. 他患这么重的感冒，嗓子失声了。
- I suspected from his voice that he meant mischief. 我从他说话的声音就怀疑他不怀好意。
- She asked me in a small voice what time it was. 她低声问我现在是什么时候了。
- He's an army sergeant. he needs a loud voice. 他是个好军人。他需要有大嗓门。
- He gave the news out in grave voice. 他用庄重的声音宣布这一消息。
- He argued, his voice trembling with anger. 他争论着，他的声音由于生气而颤抖。
- His peremptory tone of voice irritated everybody. 他那专横的口气激怒了大家。
- A voice called down to us from above. 从上面传来叫我们的声音。
- Talking in a low voice were a man and a woman. 低声讲话的是一男一女。
- He had an arrogant tone of voice. 他流露出傲慢的口气。
- The male voice is deeper than the female. 男性的嗓音比女性的低沉。
- There was more than a hint of sadness in his voice. 他的声音里有许多哀伤的成分。
- She is enamoured of the sound of her own voice. 她陶醉于自己的嗓音。
