Mindray M8

4-12 Product Principle
4.10 Audio/Video Transfer Module
Figure 4-10 Function of audio/video extend module
Audio/video transfer board (or module) adopts non-standard HDMI input port. Main unit outputs
1920×1080p@60Hz HDMI 1.4a signal as input signal of the extender. The module supports line-out
video signal of analog stereo audio, xxxx×xxxx@60Hz analog RGB video signal, NTSC, S-Video
signal with format of PAL.
M9 audio/video transfer module includes: power supply, HDMI signal receiving, digital video signal
processing, and audio/video code.
VGA socket
Audio
socket
S-
Video
socket
FPGA
Video cutting, video
zooming, color space
change, sampling
HDMI
signal
receiving
Audio
encoder
S-Video
Video
encoder
HDMI
socket
Main Unit
（M9）
HDMI
socket
Communication
&control
Power supply
HDMI
5V
DDR2
LED
Power LED
VGA
Video encoder
Digital audio
signal
S-Video
VGA
Audio
Audio/
video transfer
module
Figure 4-11 Diagram of audio/video extend module