Table of Contents
Advertisement
and sends to MPEG-2 decoder and analytic software to recover the digital information.
Video decoder, audio D/A conversion: MPEG-2 decoder decompresses the audio/video signal,
via video coder and audio D/A conversion, recovers analog audio/video signal to display the
high quality image on the analog TV, it also provides multi-channel stereo programs.
Inlaid CPU, memory module and interface circuit: inlaid CPU is heart of the DVB module, it
and memory are used to store and run software. Control every hardware module. Interface
circuit provides plenty external interfaces: including Guest Bust bus line, general serial
interface, MODEN V90 interface, RS-232, analog/ digital video/audio and data interface ect.
Function of Supra TV ZR3915X:
DVB-T module made up of ZR3915X first distils channel code information from transport layer to
complete channel demodulation, then recovers compressed signal of source code to original
video/audio stream and completes data and multi-application of reception and analytic.
1) Internal block diagram:
28
Advertisement
Table of Contents
