Re: [Alsa-user] Spikes when recording

2011-05-20 Thread Dominique Michel
Le Fri, 20 May 2011 10:22:25 -0500, James Shatto a écrit : > That seems pretty regular at 8 to 10 minute intervals. Do you live > near a subway line? Or other electric mass transit option? Is the > computer on a UPS or power conditioner type supply line? I get a > spike like that when I use a

Re: [Alsa-user] very low-level volume in both Debian and Ubuntu

2011-05-20 Thread James Shatto
I agree that sound should just work. And I'm still kind of surprised that a) we have to configure it with a text file. And b) twenty years later, that's still the case for the most part. Not that I think that we should give up the command line even in part. Alsamixer isn't intuitive, but it is

Re: [Alsa-user] Spikes when recording

2011-05-20 Thread James Shatto
That seems pretty regular at 8 to 10 minute intervals. Do you live near a subway line? Or other electric mass transit option? Is the computer on a UPS or power conditioner type supply line? I get a spike like that when I use a battery box to power an electret mic. If I turn it on after pressin

[Alsa-user] Spikes when recording

2011-05-20 Thread Peter Hoffmann
Hello, I'm recording audio 24/7 with a delta 1010 sound card and have a strange problem: Every night at 2:30 I get spikes and some inaccurancy within some seconds in a one hour length recording. I've upload a screenshot to illustrate the problem: http://img88.imageshack.us/img88/4562/spikesh.png

Re: [Alsa-user] very low-level volume in both Debian and Ubuntu

2011-05-20 Thread Y P
Hello James: On Thu, May 19, 2011 at 09:59:01AM -0500, James Shatto wrote: > The first step would be to see if it's even an ALSA issue. I had to say first of all I'm not using Flash nor graphical mixers since I'm a VIP - vision impaired person; sometimes I use the Orca screen reader but my curr