[sdiy] Voyager waveform animation

[René Schmitz]

Hi all,

Why the heck do we need video?
Take MP3, convert to WAV, look at it in CoolEdit (or whatever)?

Cheers,
  René

Theo wrote:
> To get MP3 audio from a video file you need a stream splitter.
> Most video editing software can do this but there are also standalone
> utilities.
> Just google around, there is plenty of quality freeware video stuff out
> there.
> Depending on what format the source audio in the video file was and the tool
> used to separate the streams you may end up with a WAV or AC3 or MP2 or MP3
> or OGG or...
> 
> This works for most containers like MPG, AVI, OGM, VCD, SVCD, etc.
> However if you have a RM or a WMA source your out of luck.
> At least there are no (free) tools I know about.
> 
> HTH
> Theo
> 
> 
> 
> From: Richard Wentk <richard at skydancer.com>
> 
> 
>>At 11:16 08/08/2003 -0700, Tim Ressel wrote:
>>
>>>Yo,
>>>
>>>Here's a question for all the tech-heads out there:
>>>How can I capture NTSB video on my computer (windows)
>>>and make an MP3 out out it? With sound of course. I'm
>>>thinking scope camera like John sed.
>>
>>You can't make an MP3 out of video, because it's not a video format.
>>
>>The most common video formats are MPEG1, MPEG2, and occasionally MJPEG. If
>>you have a MiniDV camera you can also record DV format AVI, but that's too
>>chunky for online distribution. There are also RealVideo and WMA, which
> 
> are
> 
>>low quality but very good for online distribution.
>>
>>The easiest way to capture video is (surprise...) to buy a video capture
>>card. If your scope camera has an s-video or composite video connector and
>>produces the NTSC format, it's just a case of plug-in and go. Pinnacle,
>>Hauppage and assorted others all make video capture hardware. In
> 
> increasing
> 
>>order of cost you can get:
>>
>>A PCI capture card (perhaps with a TV tuner built-in, so you can read
>>Teletext and record your fave shows to hard disk)
>>USB capture (no tuner)
>>A PCI card with built-in real-time MPEG1 or MPEG2 compression (probably
>>overkill for what you need)
>>An external capture box with various video in and out connections
>>Any or all of the above with suitable editing s/ware.
>>
>>For s/ware I'd recommend Pinnacle Studio 8 for editing. Cheap capture
>>hardware bundled with Studio 8 shouldn't cost more than $100. You'd most
>>likely capture your scope sequences first (including sound at the same
>>time) then export them as RealVideo .rm files which can be downloaded from
>>your site.
>>
>>If you plan to get more seriously into video, Sonic Foundry's Vegas is a
>>good choice. But at around $400 you have to be a *lot* more serious.
>>
>>Oh yeah. You'll need a fast-ish PC too. Both disk and processor speed
>>matter for video. (Much more than they do for audio!) 10MB/s and a 1GHz
>>anything would be a likely bare minimum, but the faster everything goes
> 
> the
> 
>>easier your life gets.
>>
>>Richard
>>
>>
> 
> 
> 


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