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The audio processor is used for TV tuner sound decode and controlling volume of all audio
input source. The MSP 4411K family of single-chip Sound Processors covers the sound processing of
PAL TV-Standards, as well as the NICAM digital sound standards and FM stereo radio. The full TV
sound processing, starting with analog sound IF signal-in, down to processed analog AF-out
(baseband audio), is performed on a single chip. Fig. 1–1 shows a simplified functional block diagram
of the MSP 4411K.
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