Viewsonic CDE4302 User Manual

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15
6.  USB device compatibility
USB Video Formats
File Extensions
Container
Video codec
SPEC
Bit Rate
Profile
Remark
mpg, mpeg
MPG, MPEG
MPEG1, 2
1080P@ 30fps 20Mbit/sec
Main Profile
*MPEG4: GMC is not 
supported
ts, trp, tp
MPEG2 -TS
H.264
1080P@ 30fps 20Mbit/sec
H264: Main Profile and 
High Profile@Level 4.0
MPEG2: MP@HL
vob
MPEG2 -PS
MPEG2
1080P@ 30fps 20Mbit/sec MPEG2: MP@HL
mp4
MP4
MPEG4
XviD 1.00, XviD 1.01, 
XviD 1.02, XviD 1.03, 
XviD 1.10-beta1/2,
H.264
1080P@ 30fps 20Mbit/sec
H264: Main Profile and 
High Profile@Level 4.0
MPEG4: Simple Profile 
and Advanced Simple 
Profile @Level5
mkv
MKV
H.264
MPEG1,2,4
1080P@ 30fps 20Mbit/sec
H264: Main Profile and 
High Profile@Level 4.0
MPEG4: Simple Profile 
and Advanced Simple 
Profile @Level5
avi
AVI (1.0, 2.0)
MPEG2, MPEG4
1080P@ 30fps 20Mbit/sec
MPEG2: MP@HL
MPEG4: Simple
USB Music Formats
Audio Codec
File Extension
Bit Rate
Remark
MPEG1 Layer2
MP3
32Kbps ~ 448Kbps(Bit rate)
32KHz ~ 48KHz(Sampling rate)
MPEG1 Layer3
MP3
“32Kbps ~ 320Kbps(Bit rate) 
32KHz ~ 48KHz(Sampling rate)”
USB Photo Formats
Image
Photo
Resolution
“Required 
DRAM size 
 (Mbytes)”
Remark
Width
Height
Bytes
JPEG
Base-line
“15360x8640 
(1920x8 x 1080x8)”
3.96
“Depends on 
RAM size”
15360
8640
4147200
Progressive
1024x768
6.00
1024
768
6291456
PNG
Non-interlace 9600x6400
3.66
9600
6400
3840000
Interlace
1200x800
3.66
1200
800
3840000
BMP
9600x6400
3.66
9600
6400
3840000
NOTES:
•  Sound or video may not work if the contents have a standard bit rate/frame rate above the compatible 
Frame/sec listed in the table above.
•  Video content with a Bit rate or Frame rate larger than the rate specified in the table above can cause 
choppy video during playback.