MTV video for Chinese MP4 player

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Does anyone know anything about an MTV file type? It’s a form of video that plays on some video/mp3 players coming out of China. It seems to use an “AMV” codec for video and definitely uses MP3 for audio. The video/mp3 player comes with its own conversion software: “MTV Convert Tool” (aka GenAmvTool/GenMTVTool)(part of an “MP3 Player Utilities” suite that comes with the player) but I can’t find anything about it on the net. I have to use this software to convert my videos to the MTV format but the sound is coming out all wrong so I’m hopping to try some other software.

Thank you for reading. reply

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06-04-2005 05:59 PM
r2d2d3d4d5

I also seem to have the same problem! The video is fine but the sound is distorted by some wierd noise.

I bought the MP4 player from eBay.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=5775116695&rd=1&sspagename=STRK%3AMEWN%3AIT&rd=1

If any know what is wrong with the sound...please help me. Thanks. I want to keep this device as if the sound for videos will work then the device would be awesom!

Thanks for any help

Peter reply

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06-06-2005 04:52 PM
Peter Hong

There’s a lot of similar and not so similar looking players coming out with identical looking software/functions.

Here are some examples I have come across:
http://www.theinquirer.net/?article=23707
http://kangwei.en.ec21.com/GC00825045/CA00840024/MP3_Player+OLED_Screen+MTV+FM.html
http://www.z-cyber.net/Products/Zling_V-PhotoVx.htm

I tried lowering the output sound quality when converting the videos and the sound playback seemed to improve a little bit. I thought that maybe the player’s CPU wasn’t up to playing the videos so I also tried lowering the video quality/fps but that didn’t seem to make any difference.

The software that came with it seems to use LAME 3.93.1.0 for MP3 conversion. I’ve tried using the latest version to see if it made any difference but it didn’t help. Trying other versions at random, without knowing what the problem is, seemed a little futile.

I’m kind of hopping that as more of these players get on the market we might find out more about them and upgraded versions of the software might turn up on the net. reply

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06-07-2005 05:25 PM
r2d2d3d4d5

Thanks for the info, by the way, do you know if this is common in the MP4 Players? I talked to this other guy who bought a different one and his seem to be fine (Not bought fromt he same guy). He uses the same software too. Do you think that our computers are missing something?

I noticed and serached for hours but could not find any thing. There seems to be no help and support for these machines.

What does the sound sound like on urs? mine is like this:

I can hear the proper sound in the far background and there is a wierd distorting noise over it. Same with u?

Peter reply

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06-07-2005 05:44 PM
Peter Hong

Hello I have has this same problem to, I am not impressed at all. mine seems to have issues to. I have heard you can upgrade the firmware from the manufacturers website in the manual but there is no website.
It play’s mp3’s good but as you all know the sounds like it is under water or something (distorted). I have emailed the seller off ebay and am waiting for reply.
If anything is found out I will post as soon as I know or if anyone else knows something feel free to email me!

Many thanks! reply

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06-08-2005 05:40 AM
Simns

Hi all, I also bought the OLED mp4 player form the chinese update8888 seller.
Unfortunately my mp4 came without the .MTV conversion tool, so I am unable to play any kind of video on the player.

I would like to kindly ask you to send me the MTV conversion tool, to mtv@ilbello.com and maybe I will find some way to fix the audio problem!

Thank you reply

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06-08-2005 03:39 PM
tux

@Peter
There’s seems to be a lot of different kinds of mp4 players out there all supporting different kinds of codecs and not always being too clear about which codecs their player supports. So only a few players (apparently all originating in China-perhaps at the same factory) are MTV(mp4) players.

Which version of the software does the other guy have? My player came with MP3 Player Utilities 3.06 and MTV Convert Tool V2.3? If he has a different version then perhaps his version works better. It might make a difference as to what types of files he is encoding but I’ve been playing around with quite a few different types and I’m always getting the same result.

I’ve tried converting videos with the original sound encoded using PCM/ADPCM/MP3&WMA and they’ve all given me the same result. So we are probably not missing any relevant codecs. The sample that came on the player played perfectly (perhaps unsurprisingly) and there are no problems playing stand alone audio files, which makes me think that the player is probably OK.

If I encode the audio at 128bps then it sounds as you describe it, if I use 64bps then it sounds more like the sound is coming from inside a pool of water and the background noise is amplified. At 64bps I can pretty much make out what people are saying but at 128bps it’s mostly noise.

@Simns

Be careful about upgrading the firmware. One of my first reactions was to upgrade the firmware but I soon found out that there are a lot of MP3 players out there identified by the firmware upgrading software as: “Device Name: S1 Mp3 Player” and “Productor: Wilson Co. Ltd.". These players have little in common and therefore the Firmware is often incompatible leading to non functioning players. For some more info see here:
http://s1mp3.atspace.com/

@tux
The MTV Conversion Software that came with my player was on the actual player and for some reason not on the CD (which had a much older version of the “MP3 Player Utilities”). reply

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06-08-2005 04:01 PM
r2d2d3d4d5

@Simns

Like 'r2d2d3d4d5' says...there are many MP3 players with the same name for the device and many from the same company. It will be hard to get support for this players.

@Tux

I was very annoyed with update8888, hes very slow at replying and does not offer much help. He told me to try more files. Like I haven’t done so already. It took me 3-4 days just to find out that the software was on the playr itself!. You have to copy iy yo your PC’s harddrive and run it from there. But if you need it, please feel free to request it again.

@r2d2d3d4d5

It uses the 'Lame.dll' as the sound codec at the moment. Do you think that if we exchange that for a different dll, it might work? Also my version o the software seem to be the exact same!

MP3 Player Utilities 3.06
MTV Convert Tool v2.3

As you said the orginal Video file that came with the MP4 player worked fine. Nice clear sound, etc.

I have a request...I deleted the orginal MTV file that came with the player. Can one of you email me the file? Here is my email:

peepboon@hotmail.com

I need to file as it might be possible to analyse the file, etc.

Thanks guys, hope to hear more from you.

Peter reply

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06-08-2005 04:14 PM
Peter Hong

@Peter Hong

If (and when) you have time I would really appreciate the MTV Convert tool... in fact it is impossible to find it on internet (at the moment)...
mtv@ilbello.com

Thank you so much
(I can give you some free hosting if you like, since I run a Linux server) reply

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06-08-2005 05:10 PM
tux

Hey

Is it ok if I email it to you? The zipped file is about 7.5mb in size. I will send once you confirm to me that your mailbox will be able to recieve the file of 7.5mb.

Thanks!

Peter reply

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06-08-2005 05:19 PM
Peter Hong

sure... I’m waiting!

many thanks!!! reply

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06-08-2005 05:32 PM
tux

I have found that out, I am not happy at all. If anyone that has bought an MP4 (MTV) player off the ebay member update8888 and has got the original firmware, (said to have been in the setup directory under the folder recover (%setup directory%/recover) please send it to me by email or post it up (my email simns_69@yahoo.com.au) it would be greatly appreciated.

Angry buyer
Simns reply

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06-08-2005 05:32 PM
Simns

@tux

Im uploading the file as we speak :P

@Simns

Where? lol. Maybe the recovery disk utility? If you tell me the exact place where it should be located, I will take a look. I wouldn’t mind trying to try the firmware re-install.

Also, were you kinda conned? I mean it says that you can change the loading screens and have a screensaver! I dont see the option for neither of them! :(

It cost like £30 to buy in China and I bought for a whopping £82! What a major profit eh?

Peter reply

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06-08-2005 05:39 PM
Peter Hong

@Simns
I can’t find any firmware either. I can’t even find a recover directory.

@Peter
I’m afraid that my sample video was also deleted.

I’ve been playing around with different builds of Lame without much success. I also tried using Blade but it didn’t work at all. If I didn’t rename the BladeEnc.dll to lame_enc.dll MTVConvert would not find it at all and when I did it came up with the following two errors: Unable to get LAME interfaces. & Error opening encoding stream. I guess the two dlls must respond to different command codes.

I’ve managed to find out that if you create a lame_enc.ini file in your Windows directory with the following contents you’ll get a log file (lame_enc.txt) of the audio conversion in the MTVConvert directory:

[debug]
WriteLogFile=1

One strange thing I noticed with the output is that there are two identical logs in the log file for each conversion. I’ve put two samples at the end (one of a 64bps conversion and one of an 128bps - just one copy of each) (apologies for the long post), hopefully it might be able to help someone.

One Lame build that sounded hopeful was the moded: “lame_enc.dll modified to use INI File Setup” found on RareWares.org. This version is supposed to allow you to tell Lame what conversion to use (out of 21 presets set by the modder). Unfortunately only one of the presets uses CBR and I can’t seem to get it selected, Lame seems to use the default preset as defined by the programmer. This is a VBR conversion and it seems to cause the video/audio to speed-up/slow-down. I’m guessing video playback is synced with the audio, which is somehow causing problems when using VBR audio (the sound sounds pretty bad anyway). The [debug] option also works with the mods ini (which also has to be in the Windows directory) – the option doesn’t seem to conflict with the mods commands – I think.

Original Lame build, 64bps encoding:

Lame_enc configuration options:
==========================================================
version =1
Layer =3
mode =Mono
Input sample rate =8.0 kHz
Output sample rate =44.1 kHz
bitrate =64 kbps
Quality Setting =2
Low pass frequency =11000
Low pass width =-1
High pass frequency =0
High pass width =-1
No short blocks =0
Force short blocks =0
de-emphasis =0
private flag =0
copyright flag =0
original flag =0
CRC =off
Fast mode =enabled
Force mid/side stereo =disabled
Padding Type =2
Disable Resorvoir =0
Allow diff-short =1
Temporal masking effect=0
Strict ISO Encoding =No
Scale = 0.85
VBR =disabled, VBR_q =4, VBR method =vbr_off
Vbr Min bitrate =64 kbps
Vbr Max bitrate =64 kbps
Write VBR Header =No
VBR Hard min =0
ATH Only =0
ATH short =0
ATH short =0
ATH no =0
ATH type =2
ATH lower =0
ATH aa =-1
ATH aa loudapprox =2
ATH aa sensitivity =0
ATHtype =2
Experimental nspsytune =209
Experimental X =1
Experimental Y =0
Experimental Z =1




Original Lame build, 128bps encoding:

Lame_enc configuration options:
==========================================================
version =0
Layer =3
mode =Mono
Input sample rate =8.0 kHz
Output sample rate =8.0 kHz
bitrate =128 kbps
Quality Setting =5
Low pass frequency =4000
Low pass width =-1
High pass frequency =0
High pass width =-1
No short blocks =0
Force short blocks =0
de-emphasis =0
private flag =0
copyright flag =0
original flag =0
CRC =off
Fast mode =enabled
Force mid/side stereo =disabled
Padding Type =2
Disable Resorvoir =0
Allow diff-short =1
Temporal masking effect=0
Strict ISO Encoding =No
Scale = 0.00
VBR =disabled, VBR_q =4, VBR method =vbr_off
Vbr Min bitrate =128 kbps
Vbr Max bitrate =0 kbps
Write VBR Header =No
VBR Hard min =0
ATH Only =0
ATH short =0
ATH short =0
ATH no =0
ATH type =2
ATH lower =0
ATH aa =-1
ATH aa loudapprox =2
ATH aa sensitivity =0
ATHtype =2
Experimental nspsytune =0
Experimental X =0
Experimental Y =0
Experimental Z =0 reply

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06-09-2005 04:03 PM
r2d2d3d4d5

That is quite some finding you have there! Well done for getting that far. Maybe if we contacted the lame producers and tell them the problem. Maybe they will be able to help us?

As it seems to be the lame.dll which is not working.

Peter reply

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06-09-2005 04:53 PM
Peter Hong

I bought the same mp4 player from that idiot ebay seller 'update8888'. Crappy original software, wont even install. Had to ask and wait for ages to get the new software and even then I cant convert most of .avi flies and the converted sound is horrible. The ebay as never said you first had to convert files to this useless .mtv format.

I’m not sure if others had this problem also but the volume isnt all that loud, even at highest level(31) you can barely hear it in a noisy background.

All us ebay buyers should give this ebay seller bad feedback. reply

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06-10-2005 08:19 AM
Abbas

Hey

Yes, agreed with that! It did not state clearly that you had to convert the files...so it doesn’t really play avi, mpeg, etc. What a con. If they did work fine then the gadget would be superb...i love the gadget just that I bought it mainly for videos...very disappointed.

By the way guys (the ones that bought from update8888)...did you compain to him about the sound? I mean if most of us did...wouldn’t he have some sort of idea that they dont work ad he should come up with a solution?

Peter
[/color] reply

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06-10-2005 11:37 AM
Peter Hong

ya I just finished looking over this form and I seem to be having the opposite problem I’m having trouble getting the gem converter to let me see the video properly, but the sound I get is pretty good, it isn’t near as distored as everyone here has descriped, if any of you could help me out and tell me how you got the convertor to allow for video that can be seen it would be great, and I’ll send the converter I use to anyone that would like to see if there is any difference from theres. reply

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06-11-2005 12:00 PM
burningcold

@burningcold

Hey, wow! u get god sound!?

Email me your version and I will try to send mine :)

my email: peepboon@hotmail.com

Thanks bro!

Peter reply

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06-11-2005 01:12 PM
Peter Hong

ok I sent you the converter but it is under a differen’t e-mail address, the one I have posted can’t handle files that big, so please send me yours through that e-mail as well reply

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06-11-2005 01:50 PM
burningcold

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