KnowBrainer Speech Recognition
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Topic Title: Latency issue
Topic Summary: Dragon continuously freezes
Created On: 03/28/2012 03:38 AM
Status: Post and Reply
Linear : Threading : Single : Branch
 Latency issue   - takenaback - 03/28/2012 03:38 AM  
 Latency issue   - Chucker - 03/28/2012 07:32 AM  
 Latency issue   - Lunis Orcutt - 03/28/2012 12:19 PM  
 Latency issue   - takenaback - 03/28/2012 10:22 PM  
 Latency issue   - takenaback - 03/29/2012 08:56 PM  
 Latency issue   - Lunis Orcutt - 03/30/2012 01:08 PM  
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 03/28/2012 03:38 AM
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takenaback
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Since I switched over to my new solid-state drive I have experienced latency issues where the yellow indicator turns green and gets locked up before finally turning yellow.  Not only do I have to wait approximately 10 seconds for Dragon to be ready after switching on the microphone initially but it also happens intermittently.  Also if I create a new command Dragon becomes locked up for a period of time when saving the command, it used to be instantaneous but this problem is not related to the solid-state drive as it was there before.  It's driving me crazy and I would appreciate any input.  I have also attached my Dragon log if someone in the know would be kind enough to check it out to see if they can identify the problem.

I should also add that I have run a repair of Dragon and also an uninstall/install to no avail.

Cheers
Steve

 



Dragon.txt
Dragon.txt  (15 KB)

 03/28/2012 07:32 AM
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Chucker
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Quote:
Since I switched over to my new solid-state drive I have experienced latency issues where the yellow indicator turns green and gets locked up before finally turning yellow.  Not only do I have to wait approximately 10 seconds for Dragon to be ready after switching on the microphone initially but it also happens intermittently.

Steve,

Since Dragon functions entirely in RAM once loaded, this has nothing to do with your SSD drive. In addition, your Dragon log doesn't show any initialization delay. I see this particular problem occurring from time to time even on a system in which I do not have an SSD drive. I'm involved in a discussion with Nuance development as regards to why this occurs. They are aware of it. I see this from time to time also on my laptop, which has a standard physical hard drive running DMPE under Windows 7 64-bit at 3 GB/sec running a Core™ i7 2670QM. So, don't blame it on your SSD drive

 

Quote:
Also if I create a new command Dragon becomes locked up for a period of time when saving the command, it used to be instantaneous but this problem is not related to the solid-state drive as it was there before.  It's driving me crazy and I would appreciate any input.  I have also attached my Dragon log if someone in the know would be kind enough to check it out to see if they can identify the problem.

Whenever you create a new command, having to wait is normal because DNS has to unload the command snapshot and reload it. This takes anywhere from 10 to 20 seconds depending upon the speed of your system and RAM. If they didn't do this, your command wouldn't be recognized. This is not a bug. This is the way DNS has always worked with regard to creating new commands, and, again, as nothing to do with your SSD drive.

In addition, running a repair of Dragon or uninstalling and reinstalling will have no impact whatsoever on this particular issue.

Chuck Runquist
Technical Project Manager
VoiceTeach LLC
Home of VoicePower®: We don't make Dragon NaturallySpeaking, We make it better!

Logic 101: Post Hoc fallacy - The logical fallacy of believing that temporal succession implies a causal relation



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 03/28/2012 12:19 PM
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Lunis Orcutt
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Do you experience this problem occasionally (a few times a day), or is it almost constant? If occasionally, as Chuck noted, this is an issue with NaturallySpeaking that we also experience. We refer to this specific problem as a timeout issue which is apparently on Nuance's to-do list. However, if you are experiencing this issue on a nearly constant basis, you are likely suffering from an accuracy problem which can range from interference to your microphone picking up too much noise. The Jabra GN9330e USB has almost no noise filtering so even the tiniest noise has to be filtered out which results in the latency issue you are reporting. If you have the option, try rerunning the Audio Check with another USB microphone. We suspect the problem is your 9330e.

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 03/28/2012 10:22 PM
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takenaback
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Chuck

Thanks for taking the time for looking at my Dragon log, good to know that there is nothing too awry.  I wasn't really trying to blame anything on my SSD but I thought maybe the combination of it and having another hard disk which has a cloned copy and also an external hard drive may have been messing up with Dragon.  I really like the speed increase associated with the SSD (boot times and opening programs) and I had previously run tests on it which showed it was in a good working state.

Lunis

I think you are correct it comes down to the microphone and I have been working in a much quieter environment this morning and the problem is not evident.  I have run the microphone check and spoke a little louder hoping this will help and I have another microphone plugged in to test when it rears its ugly head again.  It wasn't just every now and then it was a couple of times a minute, it's almost like my Jabra GN9330 has decided instead of having limited noise cancelling it will have none. I hope I don't have to send it back as that will be my third one within the two year warranty period.

Cheers
Steve

 

 03/29/2012 08:56 PM
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takenaback
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It is very frustrating and definitely related to background noise but I would like to know why and how the sensitivity might be reduced. My Jabra GN9330 has just given up all noise cancelling capability whatsoever. Yes I know it had very little to start with but I have been using this particular model microphone for nearly 2 years now and this is exceptional. I have recently done a clean install is there something I can do to mitigate the sensitivity issue? What could possibly happen to a microphone to lose all noise cancelling capabilities?

Cheers
Steve
 03/30/2012 01:08 PM
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Lunis Orcutt
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This is just an unsubstantiated guess but we suspect that it's less likely your microphone and more likely your environment. Rerunning the Audio Check and listening to the playback may help identify the problem. You might try temporarily moving your microphone to another room or even building to begin the process of elimination which can range from a bad ballast in the fluorescent light, freezer compressor, oscillating computer-chip to hundreds of other possibilities.

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