[Freeswitch-users] Stereo calls recording.

Anthony Minessale anthony.minessale at gmail.com
Mon Apr 10 21:36:20 MSD 2017


We can't do this in a bridged call recording but it is possible in
conferences.

If you enable stereo profiles and set some of the openal positioning
params, you can get 3d virtual positioning in 2 channel stereo.




On Mon, Apr 10, 2017 at 3:06 AM, Sergey Safarov <s.safarov at gmail.com> wrote:

> I think it is not important.
> Purpose of call recording is not HiFi sound. Purpose is knows conversation
> and identity speaker.
> As example conference for four parties. For each party one channel.
>
> пн, 10 апр. 2017 г. в 9:29, Mimiko <vbvbrj at gmail.com>:
>
>> Hello.
>>
>> Hope there is time to give some ideas for new release of FS.
>>
>> In FS I've found very useful recording a conversation in stereo with each
>> calling party on its channel: one caller on left channel and one on right
>> channel. Its like you a sitting between them. And what about stereo
>> calls? I think if two parties talk with stereo microphones FS should record
>> all
>> channels in a file in different channels. I see this using DD or AC3 with
>> 4 channels. The callers could be recorded like this:
>>
>>                                       Front
>>
>>            Caller 1 Left Mic - FL               FR - Caller 2 Right Mic
>>
>> Caller 1             Left           listener             Right
>>  Caller 2
>>
>>            Caller 1 Right Mic - SL              SR - Caller 2 Left Mic
>>
>>                                        Rear
>>
>>
>> So, listening to this record, one will feel like is sitting between two
>> callers and will feel the position in space of each one.
>>
>> One good thing about decoders is that if listener have only headset, then
>> one can choose listening only for front channels (left and right) hearing
>> each party, or down mix rear channels to front ones.
>>
>> What do you think about this idea?
>>
>> --
>> Mimiko desu.
>>
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>
> _________________________________________________________________________
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>
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>
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-- 
Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

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