Re: [LAU] [OT] Open Source Portable Recorder?

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To: Johannes Kroll <jkroll@...>
Cc: linux audio users <linux-audio-user@...>
Date: Monday, January 7, 2013 - 10:14 pm

On Mon, January 7, 2013 9:42 am, Johannes Kroll wrote:

>> As for hacking the unit itself, the first question is why. Not so much

I was not trying to say it shouldn't be hacked, just that there needs to
be a large enough group of people who also see a need (or a why) for
hacking it before there is much support (so that you are not doing the
whole thing on your own). Those are all good reasons you have above (none
of which I had thought of) I am sure more would show up out of need too.

> Last not least, I simply like the idea of being in control of hardware

Nothing wrong with that.

> As to price: the DSO nano is a free/open source oscilloscope which

It could be a good base, but I think you may wish to add an A/d converter
with more than 4bit sample depth (at least it looks like to me) and single
channel. The sample rate is fine (though not fixed but variable so I don't
know how easy to set to 48k or whatever), but takes lots of CPU as the cpu
becomes part of the codec. However, there are lots of unused pins (i/o
ports) on the cpu and it is open so the possibility of adding something is
there. There is a schematic in the manual on
http://www.seeedstudio.com/depot/micro-digital-storage-oscilloscopedso-n...
for download which is where I got my info.

It has a display, buttons, battery, USB port, etc. I might be tempted to
add a second USB port (host instead of client) and use one of the cheap
USB audio ports (parts all in the USB plug) and some $5 mics. I just found
a great site for DIY mics That has some better pres than what comes with
the little electrets. (its on my other computer :P )

--
Len Ovens
www.OvenWerks.net

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Messages in current thread:
[LAU] [OT] Open Source Portable Recorder?, Johannes Kroll, (Sun Jan 6, 1:58 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Johannes Kroll, (Wed Jan 9, 8:47 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Karl Hammar, (Thu Jan 10, 12:29 am)
Re: [LAU] [OT] Open Source Portable Recorder?, Len Ovens, (Sun Jan 6, 4:48 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Johannes Kroll, (Mon Jan 7, 5:42 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Len Ovens, (Wed Jan 9, 4:46 am)
Re: [LAU] [OT] Open Source Portable Recorder?, Alf Haakon Lund, (Wed Jan 9, 5:39 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Len Ovens, (Wed Jan 9, 9:24 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, david, (Thu Jan 10, 6:51 am)
Re: [LAU] [OT] Open Source Portable Recorder?, Burkhard Woelfel, (Tue Jan 8, 1:16 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, wes schreiner, (Tue Jan 8, 9:36 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Burkhard Woelfel, (Wed Jan 9, 8:27 am)
Re: [LAU] [OT] Open Source Portable Recorder?, Folderol, (Tue Jan 8, 9:54 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, wes schreiner, (Tue Jan 8, 10:10 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Folderol, (Tue Jan 8, 10:30 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Len Ovens, (Mon Jan 7, 10:14 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, mark hadman, (Mon Jan 7, 11:33 pm)
Re: [LAU] [OT] Open Source Portable Recorder?, Alf Haakon Lund, (Tue Jan 8, 5:22 pm)