Could it be that Astlinux has everything you need and nothing you don't? Mark
On Sun, 2006-05-28 at 07:08 +0200, Arne Gylseth wrote: > Hello everybody ! > > I have carried out a number of test installations of Asterisk on > different PC platforms. > > My conclusion based on experience only is that Astlinux gives a > quality of sound that is allways superior to Asterisk installed on a > more complex Linux distros. > > I have tried a number of Asterisk installations on Linux distros like > SME server and Clarkconnect to see if it not could be practical and > usable to run Asterisk just as an background process on a server, > doing mainly something else. Asterisk installations has been done > based on different versons of Asterisk sourcecode and some precomiled > rpms. > > My experience is the same all the time - If Asterisk is installed on > a general server with a lot of processes running this allways lead to > a reduced analog sound quality. > > The way that I think the sound quality is reduced is that this more > complex Linux distros tends to give Asterisk a some sort of "semi > duplex caracter" - If the two persons are talking at the same time it > tends to give some sort of "ultrashort pauses" that makes the analogue > sound to "float not so nice and smoot as it should". The sound easyaly > and usually sound like "poor digital sound quality". > > Astlinux allways gives a "smooth and nice running analog sound" > without any hearable degradation of the analogue signal. > > I have tested different installations on the same hardware and with > the same identical set of configuration files, and I think that the > difference is there all the time. > > One other thing that I have noticed is that the load on the processor > is smaller when a telephone call is running via Astlinux compared with > asterisk on a mor complex Linux distro. (Difficult to measure > presicely but it looks like a difference something like 10:1 or 5:1, > 0.9 % processor load for a call on SME server (a bit more than 100 > processes running), 0.1 % processor load on Astlinux on same hardware > and same configuration files.) > > I have lately been testing a bit on one AMD XP 1500 / 512MB pc with > a standard Asterisk sourcecode installation on Clarkconnect and > Astlinux on a HP Compaq T5000 thin client. It looks like that the > Astlinux on the small thinklient outperformes the PC installation > completely. (Its Astlinux version 3.0 because the thin client has only > a 32 MB onboard memory.) > > I find these observations allmost hard to believe. It is digital sound > processing, and it should not behave like this, but it does (??) > > I am courios to know - is this observations only my observations or my > "believe" or is these observations that other Astlinuxusers > also have done ? > > If it should be like this, how could it then work like this, how could > digital sound processed on one platform sound different from digital > sound processed on another platform, when Asterisk configuration files > and hardware is identical the same. > > Still I ask myself - can this really be true ? > > > Best reg Arne > _______________________________________________ > Astlinux-users mailing list > [email protected] > http://lists.kriscompanies.com/mailman/listinfo/astlinux-users > > Donations to support AstLinux are graciously accepted via PayPal to [EMAIL > PROTECTED] _______________________________________________ Astlinux-users mailing list [email protected] http://lists.kriscompanies.com/mailman/listinfo/astlinux-users Donations to support AstLinux are graciously accepted via PayPal to [EMAIL PROTECTED]
