[Cin] offtopic: Digitize and record Video with A/D USB adapters

mnieuw at zap.a2000.nl mnieuw at zap.a2000.nl
Sat Sep 25 20:47:29 CEST 2021

Hi Terje,
I have used a cheap chinese USB video grabber to digitise VHS. But I
cannot remember the type.
I used VLC, which worked fine, but OBS should also work. I had loaned
the grabber, and have not tested if Cinelerra-GG could use it directly.
I cannot remember if video and audio showed up as two different devices
or not. If the audio is not a separate device, then I doubt
Audacity can record with it.

The quality of VHS is not that great, well below SD, I did not use a
lossless format. There are several, Andrea listed some he used. But all
those use very big files.

I don't know about the audio quality, it is likely more than good
enough for VHS. But my guess is that a motherboard's A/D is better.


On Sat, 25 Sep 2021 16:52:41 +0200
"Terje J. Hanssen via Cin" <cin at lists.cinelerra-gg.org> wrote:

> Although I have and have used some Black Magic external tools for
> this, I'm also interested in simple and low cost options for Linux
> workstations.
> In a recent article the Augustin VGB100 usb2.0 video adaper and VLC
> was used to record video
> https://www.arsouyes.org/en/blog/2021/2021-05-17_Numerisation_VHS
> Any experience here with similar A/D video adapters, quality and
> applications for recording on Linux?.
> Second I wonder if some lossless, compressed master video format is
> available for better quality before final converting with typical
> ffmeg?
> And third, maybe a stupid question:
> Is it possible to record just Audio with an A/D Video adapter, which
> audio record format and what quality, compared with a pure Audio
> adapter? And if so, can audio record applications like Audiacity be
> used?
> Terje

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