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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » Utilities
Voice-Activated VOX Audio Recording?
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johnywhy


Joined: 20 Aug 2011
Posts: 882
PostPosted: Fri 02 Mar 2018, 20:00    Post subject:  Voice-Activated VOX Audio Recording?  
any way to do this on puppy?

thx
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Last edited by johnywhy on Sat 03 Mar 2018, 03:05; edited 1 time in total
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ally


Joined: 19 May 2012
Posts: 1908
Location: lincoln, uk
PostPosted: Fri 02 Mar 2018, 20:34    Post subject:  
http://archive.org/details/Puppy_Linux_voxpup

Smile
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johnywhy


Joined: 20 Aug 2011
Posts: 882
PostPosted: Fri 02 Mar 2018, 20:56    Post subject:  
thx, ally!!

but that's not what i mean Smile

i mean an audio-recorder that only records when it senses sounds, and stops recording when there are no sounds.

thx!
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watchdog

Joined: 28 Sep 2012
Posts: 1824
Location: Italy
PostPosted: Sat 03 Mar 2018, 02:18    Post subject:  
Audacity can do that.
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johnywhy


Joined: 20 Aug 2011
Posts: 882
PostPosted: Sat 03 Mar 2018, 02:38    Post subject:  
watchdog wrote:
Audacity can do that.

thx, watchdog!

unfortunately, Audacity is a a very fat dog. Eats too much RAM and disk space, and performance is not great on low-resource machines, in my experience. Also, as a multi-track recorder, it's really overkill for simple mono voice-recording.

Audacity is 55 MB compared with Bacon at under 5k. I just need Bacon with sound-activation.
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johnywhy


Joined: 20 Aug 2011
Posts: 882
PostPosted: Sat 03 Mar 2018, 03:04    Post subject:  
Some possibilities i'm checking out:

https://launchpad.net/~audio-recorder/+archive/ubuntu/ppa

https://ubuntuforums.org/showthread.php?t=1672679&page=2

https://www.linuxquestions.org/questions/linux-software-2/vox-recorder-and-audio-timer-recorder-598535/

http://rezound.sourceforge.net/

https://www.youtube.com/watch?v=2cIkjIaErxI

http://sox.sourceforge.net/

https://github.com/russinnes/py-vox-recorder
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drunkjedi


Joined: 24 May 2015
Posts: 897
PostPosted: Sat 03 Mar 2018, 03:28    Post subject:  
On this page a Python script is given to do that job.
http://mocha.freeshell.org/audio.html
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Moat


Joined: 16 Jul 2013
Posts: 963
Location: Mid-mitten
PostPosted: Sat 03 Mar 2018, 03:49    Post subject:  
Not sure, but does mcenaw's Precord have this capability?

(Having difficulty linking on this smartphone... Confused But it's here on the forum - somewhere...)

Bob
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johnywhy


Joined: 20 Aug 2011
Posts: 882
PostPosted: Sat 03 Mar 2018, 04:20    Post subject:  
Moat wrote:
does mcenaw's Precord have this capability?

thx, i tried it. Doesn't appear to, tho'.

drunkjedi wrote:
On this page a Python script is given to do that job.
http://mocha.freeshell.org/audio.html

thx, will check it out!
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wiak

Joined: 11 Dec 2007
Posts: 1408
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PostPosted: Wed 25 Apr 2018, 18:09    Post subject:  
https://github.com/russinnes/py-vox-recorder

drunkjedi wrote:
On this page a Python script is given to do that job.
http://mocha.freeshell.org/audio.html


Actually, on that mocha.freeshell.org site there is a simple commandline using sox that includes sound activated recording thresholds. Here is the complete script including the relevant sox rec commands:

Code:
#!/bin/bash
#source http://www.sis-germany.de/index.php?page=Thread&threadID=1444

NAME=`date +%m-%d-%Y_%H-%M-%S`

#choose a method below, either the decibel or % of level method
#also choose number of channels, sample rate, encoding, etc..
#you need to find a level that works for your hardware

#rec -c 1 -r 22050 $NAME.wav silence 1 0 -22d -1 00:00:05 -22d
#rec -c 1 -r 22050 $NAME.wav silence 1 0 8% -1 00:00:05 8%
rec -c 1 -r 22050 $NAME.mp3 silence 1 0 8% -1 00:00:05 8%
#rec -c 1 -r 22050 $NAME.mp3 silence 1 0 25% -1 00:00:05 25%

#uncomment appropriate line below for normalizing when finished

#echo "Normalize..."
#sox $NAME.wav $NAME-norm.wav gain -n -1
#sox $NAME.mp3 $NAME-norm.mp3 gain -n -1

#uncomment appropriate line below for a spectral graph if desired

#echo "Calculating Spectrogram..."
#sox $NAME.wav -n spectrogram -x 1024 -y 768 -z 100 -t "$NAME.wav" -c '' -o $NAME.png
#sox $NAME.mp3 -n spectrogram -x 1024 -y 768 -z 100 -t "$NAME.mp3" -c '' -o $NAME.png
#echo "Done."


Apparently it was found elsewhere on some German-language site.

Also on unix stackexchange:

https://unix.stackexchange.com/questions/55032/end-sox-recording-once-silence-is-detected

wiak
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