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satish4asterisk at gma...
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 Posted: Tue Aug 12, 2014 2:26 am Post subject: [asterisk-users] [OT] Split a recording based on a presence |
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Hi All,
I have been working on a project where I need to record a call in Asterisk and then split the recording into multiple audio files based on a presence of particular sound (i.e. beep) in a recording.
I know this is out of scope for Asterisk but I wanted to benefit from someone else's experience if it has been done earlier.
I have googled a bit and seems that Audio fingerprint(http://en.wikipedia.org/wiki/Acoustic_fingerprint) is something I should concentrate on.
Your views are highly appreciated.
Thanks,
--Satish |
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sgriepentrog at digium...
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| Posted: Wed Aug 13, 2014 9:59 am Post subject: [asterisk-users] [OT] Split a recording based on a presence |
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You would probably have better results from using a specific frequency tone (or dual tones) as the beep and then using a tone detection algorithm to locate it, in the same way that DTMF works.
On Tue, Aug 12, 2014 at 2:25 AM, Satish Barot <satish4asterisk@gmail.com (satish4asterisk@gmail.com)> wrote:
| Quote: | Hi All,
I have been working on a project where I need to record a call in Asterisk and then split the recording into multiple audio files based on a presence of particular sound (i.e. beep) in a recording.
I know this is out of scope for Asterisk but I wanted to benefit from someone else's experience if it has been done earlier.
I have googled a bit and seems that Audio fingerprint(http://en.wikipedia.org/wiki/Acoustic_fingerprint) is something I should concentrate on.
Your views are highly appreciated.
Thanks,
--Satish
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