Re: [Asterisk-video] RTP Mixer

Tue, 20 Oct 2009 03:44:41 -0700 

Hi joko,
I have not understood your reasonings, anyway, the mixer as in video receives all audio from participants, mix all except the own one (to avoid echoes) and send the back in one stream to the user. Media mixer only allows alaw/ulaw (and gsm) but you can perform any transcoding of audio in asterisk first if needed. 

Best regards
Sergio

joko pitoyo escribió:

Hi Sergio Garcia Murillo


What I mean is, if there are 3 people talking (ABC), with the 
assumption that people need a bandwidth of 1 means that D will 32Kbps 
bandwidth 96 Kbps need to listen to the sound A, B, C, how do I get D 
to receive sound from the A, B, C just need 32Kbps, possible?, if I 
use the u / alaw it takes a big banwidth around 64Kbps, now I use Speex



Best Regards

Joko Pitoyo


On Tue, Oct 20, 2009 at 2:36 PM, Sergio Garcia Murillo 
<[email protected] <mailto:[email protected]>> wrote:


    Hi Joko,

    Audio should be working also simultaneously. Make sure you are
    using u/alaw


    Best regards
    Sergio.


    joko pitoyo escribió:

    Hi Sergio Garcia Murillo

    I have been success Mixing Image as your advice, but i still
    can't mixing Audio, can u give me advice howto mixing audio for
    conference system, so every participants just need small
    bandwidth for send and receive audio.

    Best Regards

    Joko Pitoyo

    On Sat, Oct 17, 2009 at 12:50 PM, joko pitoyo
    <[email protected] <mailto:[email protected]>> wrote:

        Hi Hi Sergio,

        Hi sergio tehnic like your advice mybe reduce performance my
        system, and make more latency coz take more time (Decode,
        Draw Image, Encode and Send again), is another tehnic based
        on RTP Protocol.

        The real what i want is, i can send Mixed Image with smallest
        bandwidth and fastest, like tanberg video conference product.

        Regards

        Joko Pitoyo

        On Sat, Oct 17, 2009 at 12:33 PM, joko pitoyo
        <[email protected] <mailto:[email protected]>> wrote:

            Hi Sergio,

            Thanks alot your advice

            Best regards

            Joko Pitoyo




            On Fri, Oct 16, 2009 at 6:11 PM, Sergio Garcia Murillo
            <[email protected]
            <mailto:[email protected]>> wrote:

                Easy, it's not mixing rtp packets.

                Media Mixer receives ALL rtp streams, decode them,
                compose a new image, encode it and set it back to
                each participant.

                Best regards
                Sergio

                joko pitoyo escribió:

                Hi, Asterisk Video Milis

                 
                OOT:
                 
                If any body can explain howto Mixer RTP (Audio or

                Video), when User A and B Send to D over C,  how C
                can Mixer rtp from A and B and finally D can
                receiver in single packet with smallest bandwidth
                Thanks

                 
                 
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