The Μ-law algorithm, also known as Mu-law companding, is a method used primarily in telecommunications to optimize the dynamic range of audio signals for transmission. It compresses the amplitude of audio signals to reduce the bit rate required for digital transmission while still maintaining audio quality. This technique is especially common in North America and Japan for PCM (Pulse Code Modulation) systems. The Μ-law algorithm applies a compression curve to the amplitude levels of audio signals before digitization.
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