TDA9861 Datasheet specifies that this IC is a Universal HiFi audio processor for TV. The TDA9861 provides control facilities for the main, the headphone and the SCART channel of a TV set. Due to extended switching possibilities, signals from 3 stereo sources can be handled.
· Multi-source selector switches six AF inputs (three stereo sources or six mono sources)
· Each of the input signals can be switched to each of the outputs (crossbar switch)
· Outputs for loudspeaker channel, headphone channel and peri-TV connector (SCART)
· Switchable spatial stereo and pseudo stereo effects
· Audio surround decoder can be added externally
· Two general purpose logic output ports
· I2C-bus control of all functions.