Parametric stereo is an audio encoding technology that enhances stereo sound reproduction, particularly in the context of digital audio broadcasting and streaming. Unlike traditional stereo, which uses distinct left and right channels, parametric stereo encodes audio in a way that allows for more efficient use of bandwidth while still providing a sense of stereo spatialization. The core concept of parametric stereo is to decompose the audio signal into parameters that define the stereo image, such as the position of sound sources (e.g.
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