Description

STV8438LU is a digital audio decoder/processor designed for A2 and NICAM Television/Video Recorders. It belongs to the IC Chips product category and is part of the STV82x7 family. This device utilizes audio digital signal processors (DSP) to perform high-quality and advanced dedicated digital audio processing. With its automatic detection and demodulation capabilities, it is able to support analog audio transmissions for European and Asian terrestrial TV broadcasts.

Specifications and features

- Full-Automatic Multi-Standard Demodulation:
- B / G / I / L / M / N / D / K Standards
- Mono AM and FM
- FM 2-Carrier (German and Korean Zweiton) and NICAM
- Multi-Channel Capability:
- 3 I²S digital inputs, S/PDIF (in/out)
- 5.1 analog outputs
- Dolby®Pro Logic®
- Dolby®Pro Logic II®
- Sound Processing:
- ST royalty-free processing: ST WideSurround, ST OmniSurround, ST Dynamic Bass, 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), Bass Treble, Loudness, and SRS®Tr u Ba s s™
- Analog Audio Matrix:
- 4 stereo inputs
- 3 stereo outputs
- THRU mode
- Audio Delay for Audio-Video Synchronization:
- Embedded stereo delay up to 120 ms for lip-sync function (up to 180 ms for tuner input)
- Independent delay on headphone and loudspeaker channels

Application Scenarios

- 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

Comparison

Advantages

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Disadvantages

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