[audacity4blind] Re: Latency Correction

  • From: Gale Andrews <gale@xxxxxxxxxxxxxxxx>
  • To: audacity4blind@xxxxxxxxxxxxx
  • Date: Thu, 28 Jun 2012 19:06:07 +0100

| From Vasundhara Raturi <vasundhara.raturi.97@xxxxxxxxx> 
| Thu, 28 Jun 2012 16:46:39 +0300
| Subject: Latency Correction
> As suggested by you, I opened the windows task manager and read the
> status using the JAWS key command. It was surely not close enough to
> 100% which was a matter of concern for me. I attempted to stop all
> open programs and with that, I get to about 84% as the maximum value.
> The results, however are still not satisfactory. I cleared my recycle
> bin and other misalaneous items from the computer thinking they might
> be creating obstacles, but that did not work either. Shall I reinstall
> audacity after uninstalling it? I would be greatful for any help
> regarding this matter.

The objective is to get the CPU use as low as possible. If CPU use
is at 80%-100% this could be why you are having skips in the 
recording. It should not be at 80% if you have closed most 

The CPU column in Task Manager should say what program is using 
all that CPU.

You can also read these tips for preventing skips:
http://wiki.audacityteam.org/wiki/Managing_Computer_Resources_and_Drivers . 

The "Latency correction" setting in Audacity has nothing to do 
with skips. That correction just moves a track leftwards after 
recording, if you were making an overdub recording. 

If you are having skips when recording, it is possible that increasing
the "Audio to buffer" setting may help, but you should read all the 
tips in the link above as well. 


> On 6/27/12, David Bailes <david_bailes@xxxxxxxxxxx> wrote:
> > Hi Vasundhara,
> > since you haven't made any changes to Audacity, the problem probably lies
> > elsewhere. It could be that some other program is using lots of the cpu or
> > memory. You could check whether there is a problem by running the task
> > manager whilst recording:
> > 1. Start recording in audacity.
> > 2. Open the task manager by pressing ctrl+shift+Esc.
> > 3. The status bar of the task manger includes the cpu usage and memory
> > usage. If you're using Jaws you can read the status bar by pressing
> > Insert+Page Down. Read the status bar a few times and see if the cpu or
> > memory percentages are close to 100%.
> >
> > best wishes,
> > David.
> >
> >
> > ----- Original Message -----
> > From: Vasundhara Raturi <vasundhara.raturi.97@xxxxxxxxx>
> > To: audacity4blind <audacity4blind@xxxxxxxxxxxxx>
> > Cc:
> > Sent: Sunday, 24 June 2012, 15:13
> > Subject: [audacity4blind] Latency Correction
> >
> > Dear members,
> >
> > I have a question regarding the latency correction while recording in
> > audacity. Previously, it was working well and I was able to record my
> > voice on a music track as well. Now, as I record a track individually
> > (only my voice), the latency does not seem to be correct and words are
> > skipped in between a session of singing or a small talk. Also, if I
> > import a music track to record over, the track proceeds further only
> > if I give in my input bit by bit. I did not interfere with the audio
> > buffer and the latency correction numbers any time. I refered to the
> > audacity manual as well to find out the cause of this sudden
> > occurance, but the same default values of 100 in the audio buffer
> > dialog box and -150 in the latency correction dialog box were
> > suggested, which were already set. I will be very greatful for any
> > help regarding this issue.
> >
> > Thank you,
> > Vasundhara Raturi

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