What is measurement unit of digital clear sound for devices

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The measurement unit for digital clear sound in devices is referred to as a "sampling" or "sample," which captures the pitch and volume attributes of sound at specific moments. The standard sampling rate for CD-quality audio is 44,100 samples per second for stereo channels. Total Harmonic Distortion (THD) is also highlighted as a key measure of an audio device's linearity and clarity. While digital audio involves Analog-to-Digital and Digital-to-Analog conversions, the fundamental measures of sound clarity remain consistent with analog methods. This discussion emphasizes that the topic is rooted in audio engineering rather than physics.
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like for example digital unit measurement for clear images in devices is ...pixel
 
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The analogous unit of information for audio would be a "sampling" or "sample". That's the smallest unit of sound information in an audio stream and represents an approximation of the pitch and volume attributes of a sound at a moment in time. The sampling rate called "CD quality" today is sampled at 44,100 times per second for two (stereo) channels.
 
I think the answer you probably wanted was: Total Harmonic Distortion, which is a measure of how linear an audio device is. In the digital audio age, there will be an intervening Analog-to-Digital, and Digital-to-Analog conversion process, but the measure of linearity / clarity is essentially the same as it was in the era of analog sound.

Strictly speaking, this is an audio engineering question, not one of physics.
 
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