On 21 January 2013 07:25, Tamas Jalsovszky <jalsot@gmail.com> wrote:
Hello Moy,
Inserting silence instead of the tone would be fine for me. I think the >= 50ms delay in recording is not an issue. I guess, removing from "live" streams would be harder and would introduce the delay you mentioned.
So you have a plan to add such a functionality in the near future? That would be amazing :)
Regards,
JalsotOn Mon, Jan 21, 2013 at 2:48 AM, Moises Silva <moises.silva@gmail.com> wrote:
_________________________________________________________________________On Sun, Jan 20, 2013 at 4:12 PM, Tamas Jalsovszky <jalsot@gmail.com> wrote:
Hello,
Is there a way to to remove inbad DTMF from the recorded wav file (conditionaly)?
If not, how could be that done the easyiest way and a way it could get into FS git?
As FS has a great DTMF detector and it has probably all the stuff doing such a feature, I think it would be much better than using an external tool for removing DTMF from finished wav file - and it would consume more I/O probably.
Removing it would not be that hard (ie, inserting silence instead). Removing it without leaving a trace any DTMF was ever there sounds a tad more difficult. If you're ok with inserting a silence instead of the tone, extending the record_session app to detect and remove DTMF is probably what I'd do.It is also possible to create a new app that monitors the audio stream and silence the stream when DTMF is detected, but since the detection takes a few milliseconds (~50ms), there would be a bit of "bleeding" of DTMF in the signal, unless the new app also delays the signal by 50ms and then has a way to strip the DTMF completely.
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