Understanding PDM Digital Audio
Understanding PDM Digital Audio Thomas Kite, VP Engineering Audio Precision, Inc. Table of Contents Introduction ........................................ ........................................ ........................................ ...................... 3. Quick 3. PCM ........................................ ........................................ ........................................ ................................... 3. Noise 4. Oversampling.
Quantization is a procedure for representing an arbitrary data sample using a given wordlength. Dither is a noise-like signal added before quantization to improve performance. Linearization is the process of mitigating the deleterious effects of data quantization, usually by adding dither.
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