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I am trying to download this video with downloadhelper, the firefox extension
but I just get audio only.

This is particularly with this video clip.

The solution must use Downloadhelper, the firefox extension.

The solution must be tested to successfully download that video not just the audio of it!

If you do succeed, then the question is, why am I not succeeding in it?

This answer is not a duplicate of something already answered, since i'm asking specifically for regarding downloadhelper firefox extension, and a mysterious problem of audio only, specific to this clip.

Added- It seems the downloaded file does include Video(even though the 10min clip is only 20MB). It wasn't playing before, but it is now. I haven't re-downloaded it. Before it was just playing audio and displaying a blue screen with no text when I played it in VLC.

share|improve this question
Whatare you using to play it back? Do you mean "downloadhelper"? Which file are you downloading the .mp4 or the .flv? – Tog Mar 18 '11 at 8:58
i'd like the flv – barlop Mar 18 '11 at 12:05
flv @ 360 works just fine using Win7-64, VLC media player (1.2.0-git-20101106-1331 Twoflower). What version are you using? How old are your video drivers? – Tog Mar 18 '11 at 16:41
@Tog Thanks for trying. This is -very strange- it seems now the files that weren't playing, are playing. Before and now i'm using VLC. So maybe it was VLC playing up before for some reason. – barlop Mar 18 '11 at 17:43
I found this thread on the problem of blue screen and just audio I suppose I could better know what the problem was if I could reproduce it but the link doesn't elaborate much. – barlop Mar 18 '11 at 17:50

As Tog might be suspecting, if you are downloading the mp4, it might be just that you don't have certain video codec. You might use some free tool to check which codec is using that mp4 file and then download and install it. This can happen more often if you are using MS Media Player and have only default codecs installed. VLC player, which supports by itself a lot of formats and codecs, might be a good way to check if is this issue, you can just download here, it's free.

share|improve this answer
Have you tried it? You may find you have the same problem as me. I've tried flv wmv mp4 it's all just audio. And yes i'm using VLC. – barlop Mar 18 '11 at 12:08
I wrote in the question "The solution must be tested to successfully download that video not just the audio of it!" – barlop Mar 18 '11 at 15:03
then "If you do succeed, then the question is, why am I not succeeding in it?" but anyhow, onto why.. the reason you give is not the reason. As I said, it's this particular video. Many others i've tried are ok. – barlop Mar 18 '11 at 15:04
Well, actually could be that a mp4 plays fine in a player, but another compressed(different codec, etc) diferently may not. That's why I mentioned the codecs matter. Sorry, I dont have now installed that firefox extension(others probably wont, either) to make a full test and then the analysis :). Was mostly to see if a fast check of the codec might lead to a solution. Good luck! :) – S.gfx Mar 18 '11 at 16:29
BTW, you mention Videohelper... In case you don't know there's a very good extension for this, called DownloadHelper. If you meant actually this name, you might wish to change your question so you get more chances to get help for solving this :) – S.gfx Mar 18 '11 at 16:34

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