![]() Remember the key fact: a compressor/limiter/clipper device must be always present between the preemphasis circuit and the stereo encoder or modulator. This stereo encoder advisedly does not contain any preemphasis circuit. ![]() Using of a microcontroller allows to build this stereo encoder with reduced part count and get excellent results in real operation. This makes very easy to reject all spectral residues around the sampling frequency without affecting the main signal characteristics. The sampling frequency used in this stereo encoder is 97 times (!!!) higher than the pilot tone frequency. ![]() It combines the best from both domains to provide high-quality and easy to build device. This stereo encoder is a halfway between analogue and digital processing.
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