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To: "Louis A. Mamakos" <louie@TransSys.COM>
cc: multimedia@FreeBSD.org
Subject: Re: MBONE volunteers? 
In-reply-to: Your message of "Fri, 31 May 1996 22:15:11 EDT."
             <199606010215.WAA01940@whizzo.transsys.com> 
Date: Fri, 31 May 1996 19:24:27 -0700
From: "Amancio Hasty Jr." <hasty@rah.star-gate.com>
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gsm is 13.7 kilobits/second;however with  the protocol overhead
in rtp it should be more like 30 kilobits/sec

	Amancio

>From The Desk Of "Louis A. Mamakos" :
> This sounds reasonable to me.  I also like the change of the audio
> coding, which will hopefully make it much more accessable.  GSM is
> about 9.6 kb/s, right?
> 
> louie
> 
> > > From: "Louis A. Mamakos" <louie@TransSys.COM>
> > > Subject: Re: MBONE volunteers? 
> > > 
> > > How about if the FreeBSD Lounge used 3 different multicast groups, one
> > > for each media type?  While I can reasonably subscribe to the wb group
> > > and expect it to mostly work on my 56k connection, any kind of audio
> > > or video usually blows it.  Now, if you ask for one media type, you
> > > get all three because they share the same group.
> > > 
> > 
> > I suppose I could set it up this way.  I didn't want to get too piggy on
> > the multicast addresses, but it makes sense to do this.  I guess I
> > should also change the default audio encoding to be gsm rather than dvi2.
> > This might help somewhat.
> > 
> > I will change it to this:
> > 		Format	Proto	Addr		Port	TTL	Vars
> > 	Audio:	gsm	rtp	224.2.100.100	16400	127	id:0
> > 	WB:	wb	udp	224.2.100.101	32800	127	orient:portrait
> > 	Video:	h261	rtp	224.2.100.102	49200	127	id:0
> > 
> > Does that seem reasonable?
> > 
> > 	-Jim
> 
>