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Adjusting a data rate of a digital audio stream based on dynamically determined audio playback system capabilities
Adjusting a data rate of a digital audio stream based on dynamically determined audio playback system capabilities
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机译:根据动态确定的音频播放系统功能调整数字音频流的数据速率
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摘要
A computing device may be configured to output a digital audio stream to an audio playback system for rendering as sound over speakers. The sound may be sampled. Based at least in part on a quality of the sampled sound, the data rate of the digital audio stream may be reduced by reducing a sampling rate and/or by reducing a number of bits per sample. A reduced sampling rate may be determined based on a computed maximum sampling rate of the audio playback system, and/or a reduced number of bits per sample may be determined based on a computed maximum number of bits per sample of the audio playback system. The maximum usable sampling rate and maximum usable number of bits per sample may be determined based on an upper usable frequency within a frequency spectrum of the sampled sound.
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