VoIP Mailing List Archives

[helmut.kuper at ewetel.de]

Hello,

I play around with record_session and would like to have caller and
callee separated on left and right channel. I found record_stereo is
used for this. Unfortunately it doesn't work. A and B leg are still
mixed. Additionally I found that B leg is significant louder than A leg,
but both legs were local extensions.


My Dialplan looks like this:

<extension name="Local_Extension">
<condition field="destination_number" expression="^(1234)$">
<action application="set" data="dialed_extension=$1"/>
<action application="export" data="dialed_extension=$1"/>
<x-action application="ring_ready"/>
<x-action application="set" data="ringback=${de-ring}"/>
<!-- bind_meta_app can have these args <key> [a|b|ab] [a|b|o|s]
<app> -->
<action application="export" data="RECORD_STEREO=true"/>
<action application="bind_meta_app" data="9 b s
record_session::$${base_dir}/recordings/${caller_id_number}.${strftime(%Y-%m-%d-%H-%M-%S)}.wav"/>
<action application="bridge"
data="user/${dialed_extension}@$${domain}"/>
</condition>
</extension>

regards
helmut


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[msc at freeswitch.org]

On Fri, Feb 27, 2009 at 6:07 AM, Helmut Kuper <helmut.kuper@ewetel.de> wrote:

[helmut.kuper at ewetel.de]

Hi Mike,

no, I want just one file in stereo, where left channel is caller and right channel is callee.

regards
Helmut

On 02.03.2009 19:05, Michael Collins wrote:

[brian at freeswitch.org]

That is exactly what it does. I have confirmed it works can you
please file a jira with examples and info of what your experiencing?

/b

On Mar 3, 2009, at 2:16 AM, Helmut Kuper wrote:

[helmut.kuper at ewetel.de]

Hello Brian,

you are right. It works, had to use a different player. But caller is
also there much louder than callee. Any way to tune this?

regards
helmut


On 03.03.2009 15:22, Brian West wrote:

[brian at freeswitch.org]

Thats going to depend on a lot of issues... are you on SVN trunk?
What codecs? What is the path?

/b

On Mar 3, 2009, at 9:24 AM, Helmut Kuper wrote:

[helmut.kuper at ewetel.de]

Hi,

well, both extensions are direct connected to FS, so we have an internal
call. Caller is snom 370, callee is snom 820, codecs are G.722 with RTP
crypt AES 32, both phones are within the same LAN. FS is in a separate
LAN. Energy levels for speakers and micros on both snom phones are the same.

I use latest SVN trunk.

regards
Helmut


On 03.03.2009 16:40, Brian West wrote:

[helmut.kuper at ewetel.de]

Hello,

I just did a further test to nail down the volume problem with recording
a call. Caller as well as callee recorded the session in stereo. I got
two files in "recordings". In both files, the party which starts the
recording seems to be louder and more clear as the opposite party. It
seems to me, that the party which didn't start the recording was
transcoded to a different codec (guess g711). Remember: Both partys are
using g722 which was confirmed by the phone's display.


regards
helmut


On 04.03.2009 13:28, Helmut Kuper wrote:

[brian at freeswitch.org]

Can you email me a sample recording please?

/b

On Mar 4, 2009, at 7:08 AM, Helmut Kuper wrote:

[helmut.kuper at ewetel.de]

Hi Brian,

both files are on their way ... Quite big (18MB)

regards
Helmut

On 04.03.2009 16:13, Brian West wrote:

[brian at freeswitch.org]

Already received them.. Opened them in Audacity.. compared them...
listened to them a couple of times... and they sound fine to me.... So
answer the two questions I asked in the private email and we'll see

/b

On Mar 4, 2009, at 9:37 AM, Helmut Kuper wrote:

[helmut.kuper at ewetel.de]

Hello Brian,

I checked the files without earphones and with Audacity. You are right
Brian, everything is fine. Sorry for the inconvenience.

Thx for your patience.

regards
helmut



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