DESCRIPTION
The TDA7346 reproduces surround sound by using phase shifters and a signal matrix. Control of all the functions is accomplished by serial bus. The AC signal setting is obtained by resistor networks and switches combined with operational
amplifiers.

1 STEREO INPUT
THREE INDEPENDENT SURROUND MODES ARE AVAILABLE MOVIE, MUSIC AND SIMU LATED
  - MUSIC: 4 SELECTABLERESPONSES
  - MOVIE AND SIMULATED: 256 SELECTABLE RESPONSES
TWO INDEPENDENT INPUT ATTENUATORS IN 0.31dB FOR BALANCE FACILITY
ALL FUNCTIONS PROGRAMMABLE VIA SERIAL BUS