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UTILITY > 웹하드 - P2P > 2.5" HIGH-DEFINITION PMP SATA HARD DISK ENCLOSURE WITH 1080I COMPONENT VIDEO +REMOTE +RM/RMVB
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2.5" HIGH-DEFINITION PMP SATA HARD DISK ENCLOSURE WITH 1080I COMPONENT VIDEO +REMOTE +RM/RMVB

POSTER : Dr. E DATE : 2013-03-31 (일) 18:23 VIEWS : 7526
ARTICLE ADDRESS : http://umz.kr/0E0aC
Updated Review of PMP using a 2.5" SATA HD

Having spent a couple of weeks playing with this device, it seems I could write a book about its features and shortcomings, but as-is, this unit is not for the uninitiated.

My first challenge was to switch to an English language display--Chinese is the default. After several hours of trying numerous combinations, it switched! The manual is all but useless and their website atwww.netviom.com is only in Chinese.

The on-screen display is essentially pathetic. It seems that someone rushed a quick conversion of a limited Chinese character display to accommodate English. The next challenge came in the form of supported video. What many people do not know is that when the terms AVI, MPEG, MP4, etc are mentioned, these are containers for specific video and audio formats which can vary tremendously. So I then spent days trying to determine what formats worked as a lot of my video collection was in a number of formats. Also, I had a 1280 resolution video, which I quickly surmised to be too high. I eventually found a few formats that worked, as well as a 720 by 576 limit.

A very useful and free video converter is AVIDemux, and a chap at their site was extremely helpful. He pointed me to the most common formats of video containers, which are:

* MPEG-2 video + MP2 (TwoLAME) or AC3 (Aften) audio in MPEG-TS container
* MPEG-4 ASP (Xvid) video + MP3 (LAME) audio in AVI container 
* MPEG-4 AVC (x264) video + AAC (FAAC) audio in MP4 or MKV container 

I found their MPEG-2 requant and MP2 (TwoLAME) in an MPEG-PS container worked OK, as well as MPEG-4 ASP (Xvid) and MP3 (LAME) in an AVI container. One format that works directly are the main VOB's on a video DVD (as found in the VIDEO_TS folder).

You can download AVIDemux from http://avidemux.sourceforge.net/

The next challenge came in the form of directory structures and the number of files contained therein. The unit supports NTSF that is nice for large files, but the unit won't look at anything above a couple of Gigabytes. It refused to play a 3GByte file, but breaking it down with AVIDemux worked OK. At times, some characters in directories or file names were simply missing, but I managed to improve this somewhat by limiting the number of directories at each level to between seven to ten. There's very limited room for character display, but when a file is highlighted with the remote, characters traverse to the left after a short while.

A limited description of a highlighted file appears to the right of the listing, and if there is anything missing from the audio or video format, it won't play. If the wrong combination is present (no clue given), that file won't play either. I've never seen anything in the thumbnail window.

Another issue was that I converted a large video into some 50-odd chapters (files). When I played the video, it was totally out of sequence, indicating the unit has a problem ordering files by name if the quantity exceeds some level. I didn't have a problem playing seven or so files stored in a directory in sequence--unless it was a strange combination of file naming and size.

I haven't done much with connecting external media, but I read elsewhere here that someone tried an 8 GB MicroSDHC, with adapter, and it worked fine. One can apparently copy files to and from external media without connecting it to a PC. I've also yet to try audio files like MP3 or WMA, but this seems a waste when one can use a dedicated and more efficient MP3 player.

The unit tends to run rather hot in PMP mode, so I made a couple of cooling-fin plates, one underneath and the other rests on top. The cooling fin plate image can be seen at http://efficiency-tech-loaded4th.blogspot.com/

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Total : 5 Articles  
No. Title Poster Date Views
5  2.5" HIGH-DEFINITION… Dr. E 03-31 7527
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