Firefox is notorious for screwing up audio in windows. I have had OS of problems with this. I actually think its something o o with networking.
Sent from my iPad On Sep 1, 2012, at 5:16 PM, Chuck Forsberg WA7KGX N2469R <[email protected]> wrote: > On 09/01/2012 02:17 PM, Magnus Danielson wrote: >> On 09/01/2012 08:35 AM, Hal Murray wrote: >>> The context is using the 60 Hz line for timing. >>> >>> I'm feeding 60 Hz from a wall wart transformer into a modem control signal >>> that the kernel PPS stuff watches. Mostly, it works as expected, but >>> occasionally, it picks or drops a cycle. >>> >>> In order to understand what was going on, I fed the same signal into the >>> audio input and setup a job to capture the audio. Here is an example of a >>> pick: >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a-pick.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a0.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Aug-09-a1.png >>> >>> OK, that somewhat makes sense. >>> >>> >>> Something happened several days ago. I used to get picks/drops rarely, say >>> ballpark of 1 a month. Now I'm getting 10 or 20 per day. So I started >>> looking closer. >>> >>> I'm now seeing stuff like this. I've got lots and lots of examples. I >>> added >>> a second PC with different hardware. It sees the same stuff. >>> >>> Does anybody recognize this? >>> >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Sep-01-a0.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Sep-01-b0.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Sep-01-c0.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Sep-01-d0.png >>> http://www.megapathdsl.net/~hmurray/time-nuts/line/2012-Sep-01-e0.png >>> >>> >> >> It's interesting to notice that you have about the same distance from the >> middle in all 5 examples. It's like you trigger a diode drop for a while. >> Notice that there is a small slope towards zero. >> >> Cheers, >> Magnus >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > I have noticed many stalls in Windows lately, possibly the result of Flash > and Firefox not getting along. > The first plot suggests a multitasking related problem. > > -- > Chuck Forsberg WA7KGX N2469R [email protected] www.omen.com > Developer of Industrial ZMODEM(Tm) for Embedded Applications > Omen Technology Inc "The High Reliability Software" > 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
