Theo Band wrote: > John R Pierce wrote: >> Leonardo Vilela Pinheiro wrote: >>> >>> On 3/10/07, *Theo Band* wrote: >>> >>> I try to find a softphone that works with Asterisk and Centos44, >>> does >>> anyone has a good suggestion or is it better to buy a hardphone? >>> >>> >>> AFAIK, microphone bad quality is more related to the hardware, not >>> the software. My onboard "Intel high definition" sound chipset (ICH7 >>> compatible - Intel 945GNT) has a bad output sound, but a much worse >>> input (microphone). I have tried using Windows XP, CentOS, Ubuntu, >>> many softphones (Skype, X-Lite, Ekiga, Twinkle) and definitely the >>> problem is hardware (or all drivers are broken). >> >> the output quality of the Intel branded motherboards I've used has >> been quite good. Microphone inputs somewhat less so, but still >> plenty good enough for telephony IF your microphone has high enough >> gain. If someone is recording high fidelity (music, etc) from >> microphones, I recommend they get an external microphone preamp and >> use the line input on their sound card, or even better a USB >> input/output box. >> >> for voice/telephony, USB headsets are the way to go. > I also have one trust USB headset and it works, except the volume > cannot be adjusted, it's always max (and that's not nice for a > headset...). > I have 20 desktops running FC4/Centos44 on AMD based Motherboards. The > sound is onboard using a Nvidia chipset. Using skype and esd/arts the > sound is very good, no problem. As soon as I try any of the softphones > the mic is heavily distorted. I can even hear a hum as if the ground > shielding is not properly connected. Since skype works so nice (using > eithers OSS or alsa) I expect this to be a software based problem not > hardware. And one softphone is working with FC4 (slfphone) but not on > Centos4.4. The mic sound is less compared to skype (there is a hiss, > when pronouncing the letter 's' the sound is distorted) but upto now > that's the only one that is acceptable for only FC4, not Centos :-( > Well I tried Twinkle and it works, but on a scale from 0 to 10 I give the sound a 5 were I can give the Skype sound quality a 9+. Strange that it seems to be so difficult to get good sound quality on Centos/FC. My motherboards are A8N32-SLI Deluxe and Foxconn NF4UK8AA-8EKRS both equipped with onboard Realtek ALC 850. Has anyone experience (good or bad) with the Realtek ALC 850? Theo