[* * * * * /Users… ]
This looks promising, and I apologize for my ignorance (I have a bad habit of learning just enough code to do what I need), but it didn’t work for me.
First, just to clarify, my sox folder is in the top level of my users account. I know it should be in the /bin/, but I get a new machine every year and keep forgetting how to move it and get the correct path
(~/.bash_profile?) and don’t want to pester our tech staff to do it, so in the command line I just have to type the extra ~/sox/rec.
Second, in this example I don’t understand where the file is being written to. Again, sorry, my Unix skills (though it’s the first system I learned in the 90s) are rusty. I searched after running it and couldn’t
find anything. Could you give an example that would save to my home folder?
Last, it didn’t create a new file, but just stopped after 1 minute.
Thanks for the help.
5/13/24, 08:47, "Jan Stary" <hans@xxxxxxxx>:
On May 13 09:26:10, hans@xxxxxxxx wrote:
> On May 12 22:56:45, D.Cottle@xxxxxxxx wrote:
> > If someone needs files from 1:35 to 3:15 we just give them 1 to 4.
> > They combine them (with no seam at 2pm) [...] We routinely combine files
> > into larger segments and we need them to be seamless.
>
> Ah, right, that's what you mean by "sample perfect". Let's try:
>
> $ sox -n sine.wav synth 10
> $ sox sine.wav part%n.wav trim 0 5 : newfile : trim 0 5
> $ soxi sine.wav part*.wav
>
> On my machine, that's 480000 split into 240000 + 240000 exactly
> when I said 5s out of 10s.
On the contrary, this is not sample perfect:
a line in my crontab, starting a recording of one minute every minute.
* * * * * /Users/hans/bin/rec -q /tmp/file-`date +\%s`.wav trim 0 00:01:00
This does indeed record each minute of audio into
an appropriately named file, but the transition is not seamless
(as verified by playing a song longer than one minute).
But if you change this to record your "predefined blocks"
of a couple of hours, then perhaps overlaping a few samples
will not matter if the seams are at silent times.
Or you could record whole days, restarting at, say, 3 am.
Jan
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