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STV8247 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. STV8247
Description  Digital Audio Decoder/Processor for A2 and NICAM Television/Video Recorders
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STV8247 Datasheet(HTML) 6 Page - STMicroelectronics

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General Description
STV82x7
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1
General Description
The STV82x7 is a multistandard TV sound demodulator and audio processor which integrates
SRS
® WOW™, SRS® TruSurround XT™, Dolby® Pro Logic®, Dolby® Pro Logic II®,Virtual
Dolby
® Surround (VDS) and Virtual Dolby® Digital (VDD) capability.
ST advanced algorithms such as ST OmniSurround, ST WideSurround, ST Dynamic Bass are
also available in this audio sound processor. ST OmniSurround is a certified Dolby
® algorithm for
the Virtual Dolby
® Digital (VDD) and the Virtual Dolby® Surround (VDS). When using VDD or
VDS, either a Dolby
® Digital or a Pro Logic® (or Pro Logic II®) decoder is mandatory
respectively.
This chip performs automatic multistandard 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.
The STV82x7 is perfectly suited to current and future digital TV platforms, based on audio/video
digital chips (STD2000, (DTV100 platform) and the future WorldWide iDTV one chip) which
include an internal digital decoder (MPEG, Dolby
® Digital...). In the case where a Dolby® Digital
decoder is embedded in the audio/video digital chip, Virtual Dolby
® Digital could be obtained.
For the CTV100/120 platform, the device is offered as an alternative solution to the first-generation
chassis that uses the STV82x6.


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