[Freeswitch-users] Noise on line, does not show up in recordings

[Sam van Herwaarden]

For anyone who finds this thread running into similar issues: the problem
was one in the configuration of the PRI card. The telco provides a clock
signal on the E1 line which the card should use to synchronize
communication, but we had misconfigured the PRI card to provide its own
clock signal, messing up synchronization and leading to overruns. (Well -
this is how I understand it.)

This was the information that led me to fix it:
https://wiki.sangoma.com/display/PC/Overruns
https://wiki.freepbx.org/pages/viewpage.action?pageId=79138050

Best,
Sam



On Tue, Jun 23, 2020 at 3:08 PM Sam van Herwaarden <
svanherwaarden at precisionag.org> wrote:

> Thanks Avi - this is really just a proof of concept, all the audio will be
> replaced by human recordings in the final system. Using flite is easy for
> testing purposes, and helpful for me because the system will be in Bengali
> which I do not understand :)
>
> On Tue, Jun 23, 2020 at 3:05 PM Avi Marcus <avi at avimarcus.net> wrote:
>
>> Maybe someone else listening to the recording (towards ~25s is the real
>> distortion?) will make something of it.
>>
>> I just want to mention that your flite audio sounds *horrible *to me. If
>> that's production audio, I suggest spending a few cents for Amazon Polly
>> audio (Matthew voice is pretty nice.) https://aws.amazon.com/polly/
>>
>> I made a full english sound set and some scripts to generate new audio
>> here: https://github.com/avimar/freeswitch-sounds-polly
>>
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