No subject
Fri Sep 2 03:59:05 CDT 2011
mes.=0A=0AFirst, verify your CPU is not loaded, then measure the frame loss=
to see if this is the source of the problem.=0A=0A=0A=0A=0A=0A____________=
____________________=0A From: L=E9opold Baillard <leobaillard at leoserveur.or=
g>=0ATo: asterisk-users at lists.digium.com =0ASent: Wednesday, December 12, 2=
012 7:33 PM=0ASubject: [asterisk-users] chan_capi audio quality issue=0A =
=0AHi everyone!=0A=0AI'm installing in our small office a phone system usin=
g a Fritz!Card USB=0Athat I found in my attic. I'm using Asterisk 1.8.13, F=
reePBX 2.11,=0Achan_capi 1.1.6.=0A=0AEverything works great, I can place ou=
tgoing calls, ingoing calls work,=0Ainternal calls too, voicemail, ...=0A=
=0AThe only problem is the audio quality when using chan_capi to place=0Aca=
lls. The remote party can not hear me clearly and from the asterisk=0Aside,=
I hear a clicking noise (I can try to record it if that helps)=0Arepeating=
at close intervals but only when someone is speaking or when=0Athere's mus=
ic (basically, when there is no silence).=0A=0AI've skimmed Google for answ=
ers and came up with some old posts dating=0Aback to 2003/4/6/... speaking =
about the CAPI_MAX_B3_BLOCK_SIZE value in=0Achan_capi.h. I tried to tweak t=
hat value and recompile several times.=0AEach time, I have the same clickin=
g noise but the interval changes. I=0Acan't get rid of the noise though.=0A=
=0AThis is currently preventing me from putting my setup in production and=
=0AI'd really like to find a solution for this.=0A=0AI'll be glad to hear a=
ny pointers you can throw at me. I can basically=0Atry everything as this i=
s not in prod yet.=0A=0AThanks a lot in advance!=0A=0A-- =0AL=E9opold Baill=
ard=0A- Administrateur de L=E9oserveur -=0Ahttp://www.leoserveur.org/=0A=0A=
Courriel : leobaillard at leoserveur.org=0AT=E9l=E9phone [FR] : + 33 (0) 6 20 =
32 16 32=0AT=E9l=E9phone [DE] : + 49 (0) 151 21 40 55 46=0AGPG : 59C6 1CCA =
2343 8DE4 D4FF D96A BC55 4A21 3B90 C658=0A=0A=0A--=0A______________________=
_______________________________________________=0A-- Bandwidth and Colocati=
on Provided by http://www.api-digital.com --=0ANew to Asterisk? Join us for=
a live introductory webinar every Thurs:=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 htt=
p://www.asterisk.org/hello=0A=0Aasterisk-users mailing list=0ATo UNSUBSCRIB=
E or update options visit:=0A=A0 http://lists.digium.com/mailman/listinfo/a=
sterisk-users
--902471806-347638532-1355684549=:89023
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable
<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt">From my experience, c=
licking noise can be originated from loss of audio frames.<br><br>First, ve=
rify your CPU is not loaded, then measure the frame loss to see if this is =
the source of the problem.<br><br><div><span><br></span></div><div><br></di=
v> <div style=3D"font-family: times new roman, new york, times, serif; fon=
t-size: 12pt;"> <div style=3D"font-family: times new roman, new york, times=
, serif; font-size: 12pt;"> <div dir=3D"ltr"> <font face=3D"Arial" size=3D"=
2"> <hr size=3D"1"> <b><span style=3D"font-weight:bold;">From:</span></b> =
L=E9opold Baillard <leobaillard at leoserveur.org><br> <b><span style=3D=
"font-weight: bold;">To:</span></b> asterisk-users at lists.digium.com <br> <b=
><span style=3D"font-weight: bold;">Sent:</span></b> Wednesday, December 12=
, 2012 7:33 PM<br> <b><span style=3D"font-weight: bold;">Subject:</span></b=
>
[asterisk-users] chan_capi audio quality issue<br> </font> </div> <br>=0AH=
i everyone!<br><br>I'm installing in our small office a phone system using =
a Fritz!Card USB<br>that I found in my attic. I'm using Asterisk 1.8.13, Fr=
eePBX 2.11,<br>chan_capi 1.1.6.<br><br>Everything works great, I can place =
outgoing calls, ingoing calls work,<br>internal calls too, voicemail, ...<b=
r><br>The only problem is the audio quality when using chan_capi to place<b=
r>calls. The remote party can not hear me clearly and from the asterisk<br>=
side, I hear a clicking noise (I can try to record it if that helps)<br>rep=
eating at close intervals but only when someone is speaking or when<br>ther=
e's music (basically, when there is no silence).<br><br>I've skimmed Google=
for answers and came up with some old posts dating<br>back to 2003/4/6/...=
speaking about the CAPI_MAX_B3_BLOCK_SIZE value in<br>chan_capi.h. I tried=
to tweak that value and recompile several times.<br>Each time, I have the =
same clicking noise but the interval changes. I<br>can't get rid of
the noise though.<br><br>This is currently preventing me from putting my s=
etup in production and<br>I'd really like to find a solution for this.<br><=
br>I'll be glad to hear any pointers you can throw at me. I can basically<b=
r>try everything as this is not in prod yet.<br><br>Thanks a lot in advance=
!<br><br>-- <br>L=E9opold Baillard<br>- Administrateur de L=E9oserveur -<br=
>http://www.leoserveur.org/<br><br>Courriel : <a ymailto=3D"mailto:leobaill=
ard at leoserveur.org" href=3D"mailto:leobaillard at leoserveur.org">leobaillard@=
leoserveur.org</a><br>T=E9l=E9phone [FR] : + 33 (0) 6 20 32 16 32<br>T=E9l=
=E9phone [DE] : + 49 (0) 151 21 40 55 46<br>GPG : 59C6 1CCA 2343 8DE4 D4FF =
D96A BC55 4A21 3B90 C658<br><br><br>--<br>_________________________________=
____________________________________<br>-- Bandwidth and Colocation Provide=
d by <a href=3D"http://www.api-digital.com/" target=3D"_blank">http://www.a=
pi-digital.com</a> --<br>New to Asterisk? Join us for a live introductory w=
ebinar
every Thurs:<br> <a href=
=3D"http://www.asterisk.org/hello" target=3D"_blank">http://www.asterisk.or=
g/hello</a><br><br>asterisk-users mailing list<br>To UNSUBSCRIBE or update =
options visit:<br> <a href=3D"http://lists.digium.com/mailman/listin=
fo/asterisk-users" target=3D"_blank">http://lists.digium.com/mailman/listin=
fo/asterisk-users</a><br><br> </div> </div> </div></body></html>
--902471806-347638532-1355684549=:89023--
More information about the asterisk-users
mailing list