Analysis of the Dingoo Digital a320
(c)'SiENcE'2009

Document Version 0.2 (additional edits possible ;-)

Dingoo Digital a320 Firmware 1.3

(bought by Chinavasion)

Street Fighter 2 (CPS1) on Dingoo Digital a320 on LCD TV - Samsung UE-46 B6000

Specification
* Display: 2.8 inch QVGA LTPS (Low Temperature PolySilicon) LCD Screen
* Memory: Internal 4GB, external Mini SD card
* Gaming Console Modes: NES, SNES, Sega Genesis, GBA, Neo-Geo, CPS1 and CPS2
* Compatible Video Formats: FLV, WMV, ASF, RM, AVI, MPEG, MP4, RMVB, SWF
* Compatible Audio Formats: MP3, WMA, APE, FLAC, WAV
* I/O Slots
- Earphone jack
- Mini-USB slot
- Mini-SD slot
- AV OUT (output to TV - NTSC or PAL, 16:9 or 4:3)
- Stereo Speakers
* Additional Media Functions:
- FM Radio with recording function
- Voice Recorder (MP3, WAV)
- Image viewer (JPG, BMP, GIF, PNG)
- Ebook reader (with text to speech function)
* Languages: English, Chinese (simplified), Chinese (traditional)
* Dimensions: 125mm x 56mm x 14mm (L x W x H)
Package Contents
* Model CVFH-N03-4G Portable Game Unit
* AV Cable
* AC Adapter
* Mini-USB adapter
* User Manual - English
* Earbuds

Transferrates:
-USB2.0
-charging via USB possible
-PC USB to internal 4gb
~2500-3000kb/s

Video:
-Display Time
-Continue play
-different Zoom Modes
-Continue playlist of all Movies (i think this is really great)

Hints:
don't use: "DivX Style "packed bitstream AVI", higher resolutions than PAL, higher bitrates then >2000kbps, OpenDivx

Hints:
don't use: don't use too complex Settings, higher bitrates then >2000kbps, AC3 as audio, OpenDivx


RM/RMVB
-RealMedia.rm - codec:RV40 - GOOD
-NICEDAY.RM - codec:RV30 - too fast, unsync - BAD
MOV
-conic.mov - codec:jpeg - GOOD
-hotwheel - codec:cvid - unknown Format - BAD
-intgeo.mov - codec:cvid - unknown Format - BAD
-trek.mov - codec:cvid - unknown Format - BAD
http://www.ground-studios.com/site2005/downloads/soldner_modelling_demo.mov - BAD
3GP
-wrong codec used, unknown Format - BAD
ASF
-NiceDay.asf, codec:WMV3, ~340kbps, 320x240, audio: codec:WMA2, 44100Hz, stereo, 64kbps - GOOD
FLV (youtube)
-codec:FLV1, ~300kbps, 320x240, audio: codec:mp3, 22050Hz, Mono - GOOD
-codec:h264 - (all newer Youtube Videos!!) - unknown Format - BAD
-codec:VP6F - unknown Format - BAD
Record Audio:
Mic
-Low: Wav - IMA ADPCM, 16.000kHz, 4bit, Mono - ok
-Middle: mp3 - 64kbit, 16.000kHz, MPEG 2.0 layer 3 - ok
-High: mp3 - 64kbit, 16.000kHz, MPEG 2.0 layer 3 - ok

Radio:
-Low: Wav - IMA ADPCM, 16.000kHz, 4bit, Mono - ok
-Middle: mp3 - 64kbit, 16.000kHz, MPEG 2.0 layer 3, Stereo - ok
-High: mp3 - 64kbit, 16.000kHz, MPEG 2.0 layer 3, Stereo - ok
Radio:
-FM Tuner 76.0MHz~108.0MHz
-automatic Scan, manuel Scan
-External Station List - Radio Station Names editable (FM.ini)
-internal Station List
-up to 40 Kanäle
-Background Play
-record Radio (s. Record Audio)
Pictures:
-Thumbnails preview Cache
-Slideshow with different blendmodes
 -JPEG - 2592x1944x24BPP - ~2.5MB - ok
 -animated GIF - 320x240x8BPP - ~120kb - ok
-Pictures can be applied to Menu-Backgrounds

I think Flash 6 is the only Flash that works. But you can't handle anything with the Keys.
So no Games. Sorry.
eBook:
  * Text2Speech
  	-englisch  sounds okay ;)
  * Bookmark
  * Autoscrolling
  * Position marker/return

Tools used::
GSpot
Firefox
Sample Movie Sites:
-http://www.youtube.com/watch?v=RjALf12PAWc (FLV1)
-http://www.jhepple.com/support/sample_movies1.htm (asf, mpeg, divx)
-http://www.cs.umt.edu/DX/movie.htm (mov)
-http://people.sc.fsu.edu/~burkardt/data/mp4/mp4.html (mp4)
-http://www.ausgamers.com/files/details/html/16334 (OOnyxia.avi)
http://samples.mplayerhq.hu/V-codecs/