[Freeswitch-users] Subject: Re: Tone detection issue

Tue Jun 21 17:14:38 MSD 2016

Try something like this to start:

 <descriptors>
     <descriptor name="custom_foo">
       <tone name="CUSTOM_FOO">
         <element freq1="1400" freq2="0" min="80" max="120"/>
         <element freq1="0" freq2="0" min="80" max="120"/>
         <element freq1="2300" freq2="0" min="80" max="120"/>
       </tone>
     </descriptor>
</descriptors>

Enable debug tracing if it doesn't work and see how close you get.

On Tue, Jun 21, 2016 at 8:46 AM, Nandy Dagondon <nandy1925 at gmail.com> wrote:

> Hi Alex,
>
> Referring to this wiki:
>
> https://wiki.freeswitch.org/wiki/Mod_spandsp#Call_Progress
>
> You need to tune the detector (record the tone and make a freq analysis).
> Take note the series of <element /> in spandsp.conf.  That's the sequence
> of tones to be detected. The min/max is the duration of every tone.
>
> In the dialplan app start_tone_detect, the data=1 refers to the
> <descriptor name="1">. You can create your own set of progress tones.
>
> Good luck.
>
> /Nandy
>
> On Mon, Jun 20, 2016 at 10:58 PM, Alexandru Covalschi <568691 at gmail.com>
> wrote:
>
>> Thanks for your reply Christopher!
>>
>> Can you please specify how should I edit spandsp.conf (tones section) to
>> add my tone? I was trying for hours but didn't get any result, I just can't
>> get the logic and I'm struggling.
>>
>> Cheers,
>> Alex
>>
>>
>>
>>> From: Christopher Rienzo <cmrienzo at gmail.com>
>>> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>>> Cc:
>>> Date: Mon, 20 Jun 2016 08:59:32 -0400
>>> Subject: Re: [Freeswitch-users] Tone detection issue
>>> Use spandsp_start_tone_detect instead.  It's better suited for detecting
>>> tones + cadence.
>>>
>>> On Sun, Jun 19, 2016 at 10:58 PM, Alexandru Covalschi <568691 at gmail.com>
>>> wrote:
>>>
>>>> Hi list,
>>>>
>>>> I have an issue using tone_detect. The thing is I must detect two very
>>>> short tones - 1400 Hz and 2300 Hz 100ms coming one after another (with 100
>>>> ms pause I suppose) after ~2 seconds the call is answered. I have pretty
>>>> accurate wav file, in audacity I see pikes are 1400 and 2296.
>>>> I've seen that in spandsp sources it is said that accuracy is ~3% so
>>>> that should be enough,
>>>> However tones aren't detected even if I set:
>>>>
>>>> <action application="tone_detect" data="tone_1_0 1395 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_0 2295 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_1 1396 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_1 2296 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_2 1397 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_2 2297 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_3 1398 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_3 2298 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_4 1399 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_4 2299 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_5 1400 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_5 2300 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_6 1401 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_6 2301 r 0 set
>>>> tone_second=true 1"/>
>>>> <action application="tone_detect" data="tone_1_7 1402 r 0 set
>>>> tone_first=true 1"/>
>>>> <action application="tone_detect" data="tone_2_7 2302 r 0 set
>>>> tone_second=true 1"/>
>>>>
>>>> Tried to do same using spandsp_start_tone_detect(), but I have no idea
>>>> how to edit spandsp.conf to add a tone matching my needs.
>>>>
>>>> Can someone give me any clue? Any parameter I need to change in sources
>>>> to obtain what I need?
>>>>
>>>> Debian Jessie
>>>> FreeSWITCH version: 1.6.6-13-d2d0b32~64bit (-13-d2d0b32 64bit)
>>>>
>>>>
>>>> Thanks in advance!
>>>> --
>>>> Alexandru Covalschi
>>>> ABRISS-Solutions
>>>> VoIP engineer and system administrator
>>>> tel: +37367398493
>>>> web: http://abriss.solutions/ <http://abs-telecom.com/>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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>>>>
>>>
>>>
>>>
>>> -
>>>
>>
>>
>> --
>> Alexandru Covalschi
>> ABRISS-Solutions
>> VoIP engineer and system administrator
>> tel: +37367398493
>> web: http://abriss.solutions/ <http://abs-telecom.com/>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
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