General Description
This chip performs BTSC stereo and SAP analog TV stereo sound identification and demodulation (no specific I²C programming is required). It offers various audio processing functions such as equalization, loudness, beeper, volume, balance, and surround effects. It provides a cost-effective solution for analog and digital TV designs.

Key Features
■ Fully Automatic Multi-Standard Demodulation
   ● M/N standards
   ● FM mono
   ● BTSC (US MTS) stereo and SAP standards
■ Multi-Channel Capability
   ● 3 I²S digital inputs, S/PDIF (in/out)
   ● 5.1 analog outputs
   ● Dolby® Pro Logic®
   ● Dolby® Pro Logic II®
   ● 2 I²S digital outputs (TQFP100 only)
   ● 2 asynchronous I²S digital inputs (TQFP100 only)
■ Sound Processing
   ● ST royalty-free processing: ST WideSurround, ST OmniSurround, ST Dynamic Bass, ST Bass Enhancer, SRS® WOW™ , SRS® TruSurround XT™ which is Virtual Dolby® Surround and Virtual Dolby® Digital compliant
   ● Independent Volume / Balance for Loudspeakers and Headphone
   ● Loudspeakers: Smart Volume Control (SVC), 5-band equalizer and loudness
   ● Headphone: Smart Volume Control (SVC), basstreble, loudness, ST Dynamic Bass and SRS® TruBass™
   ● 3 different bip tones
■ Analog Audio Matrix
   ● 4 stereo inputs or 5 stereo inputs (TQFP100 only)
   ● 3 stereo outputs
   ● Pass-thru mode
■ Audio Delay for Audio Video Synchronization
   ● Embedded stereo delay up to 120 ms for lip-sync function
   ● Independent delay on headphone and loudspeaker channels
   ● External additional audio delay support (TQFP100 only)

Typical Applications
● Analog and digital TV with virtual surround sound
● Analog and digital TV with multi-channel surround sound
● DVD and HDD recorders
● “Palm size” portable TV