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