The audio data should be in a format understood by the headset (for example, A-law PCM [Pulse Code Modulation] format for the Sony headset).

音频数据应当是耳机可以理解的格式(例如，Sony耳机的a - law P CM [Pulse Code modulation]格式)。

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In pulse code modulation, the representation of the quantized samples of an analogue signal by character signals according to a defined code.

在脉码调制技术中，按照确定的代码由字符信号对模拟信号量化采样的表示法。

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A pneumatic position servo system with pulse code modulation (PCM) is described in this paper.

本文研究脉冲编码调制(PCM)控制方式的气压位置伺服系统。

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While it's always hard to pin down the exact origins of an idea -- especially one like pulse-code modulation, where a number of parties were involved -- sifting out the large and significant contributions from the gold pan of history tends to bring up the same names time and again.

ENGADGET: Primed: digital audio basics Mobile

Pulse-code modulation is simply a way of representing the analog electrical signal, in digital form.

ENGADGET: Primed: digital audio basics Mobile

Shannon would also contribute to the further development of pulse-code modulation (along with Bell alumni Bernard M Oliver and John R Pierce) at around the same time, using technology that eliminated some of the issues (such as complex circuitry) from the earlier, but conceptually similar, implementation from Briton Alec Reeves in 1938.

ENGADGET: Primed: digital audio basics Mobile