KnowBrainer Speech Recognition
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Topic Title: Buffer
Topic Summary: Is there a buffer or memory that can be cleared out?
Created On: 04/03/2012 11:41 AM
Status: Post and Reply
Linear : Threading : Single : Branch
 Buffer   - amerifax - 04/03/2012 11:41 AM  
 Buffer   - Alan Cantor - 04/03/2012 12:39 PM  
 Buffer   - amerifax - 04/03/2012 01:34 PM  
 Buffer   - Lunis Orcutt - 04/03/2012 10:09 PM  
 Buffer   - amerifax - 04/04/2012 11:56 AM  
 Buffer   - Chucker - 04/04/2012 04:01 PM  
 Buffer   - Lunis Orcutt - 04/05/2012 12:34 AM  
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 04/03/2012 11:41 AM
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amerifax
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Is there a buffer or memory in DNS 11.5  that can be cleared out.  Sometimes I get a bunch of words from Dragon and it seems that they are all being held in memory and then all of a sudden they just all pour out.

 Any ideas?

 

Bob 

 04/03/2012 12:39 PM
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Alan Cantor
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Where to begin???

To start, tell us about your computer: which CPU, how much RAM? Which operating system?

There are several software settings (in Windows and in the applications one dictates into) that can affect performance. I will let others more knowledgeable than me chime in. But in general, it is best to give precedence to performance over appearance and/or features. For example, I use the Classic theme in Windows 7 rather than the Aero theme, and toggle off the Grammar checker in Microsoft Word.

Run msconfig, and check which programs are automatically loading when you start your computer. When I got my new PC, there were something like 15 programs running in the background. I disabled all but three or four.

It's a good idea to exit DNS and restart Windows occasionally. I do both at the end of every work day. In fact, when DNS performance starts to suffer, I rarely try to figure out why anymore. I find that it is faster to close down everything and start again. 

 04/03/2012 01:34 PM
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amerifax
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I am running XP Pro SP3 on this computer.  I have 4Gb of Memory and the CPU...I'll let you know on that one.  I am drawing a blank at the moment.  I don't use any special Windows Themes or Wallpapers.  I keep the basic Windows setting pretty basic.  I do exit and restart regularly just for the sake of it.  I have checked my background programs that are loading/loaded as well.

 Like I said, it's just kinda weird.  It appears that these words are all being kept somewhere and then all at once, DNS just spits them out.  They seem to come out of nowhere.  That's why I asked if there was a buffer that Dragon kept or something similar that I could clear out.  It seemed like a logical approach but then again...

Bob

 04/03/2012 10:09 PM
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Lunis Orcutt
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                        Welcome to the World’s Most Popular Speech Recognition Forum

Unfortunately, it looks like you got sucked into the Nuance propaganda machine and purchased the version of Premium 11 that includes what we consider to be a substandard Plantronics Bluetooth microphone. This microphone is so bad that we removed them from our boxes of DNS Pro and dumped them on Amazon because we were too embarrassed to sell them on our website. All Bluetooth microphones share the same 4 kHz limited frequency response. Note that NaturallySpeaking 11 can hear up to 11 kHz. Additionally, there are often syncing issues with Bluetooth microphones. We used to recommend the Blueparrott Xpressway Bluetooth microphone which was notably better than the Plantronics Calisto but we eventually removed it from our website because even it didn't need meet our standards.
 If you purchased your copy of NaturallySpeaking Premium 11.5 within the last 30 days, we recommend calling Nuance (407) 241-1822 and requesting a refund so that you can purchase a generic box with our upgraded USB microphone and complimentary training guide.

Now back to your question… Although your assumption is correct in that your dictation is being stored in a temporary buffer, this isn't the real problem. When NaturallySpeaking has to struggle to understand what you said (typical of any Bluetooth microphone), it will delay your dictation from landing in the document. DNS will temporarily store your dictation in a buffer until it has enough time to process it at which time, usually several seconds later, it will dump your dictation into your document. If you were using a decent soundcard & microphone, you probably wouldn't be suffering with substandard accuracy or these wretched delays.


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 04/04/2012 11:56 AM
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amerifax
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FINALLY!!!! A real answer.  No offense meant Alan, I appreciate your response as well.  But we have been asking this question of Nuance and anyone who would listen, obviously to no avail.  So the  problem would be probable or likely with any Bluetooth Microphone?  We have two other older Mics we have used in the past, both from GN Netcom and both USB.  I believe one is the 9350 and the 9120.  I will most definitely pass this information on to my boss.  He will be soooo happy to finally have an explanation to the problem.  It just wasn't making any sense why it was happening. In your opinion, are either of the GN Netcom Mics we have OK.  We have had our software much too long to return it, so maybe just purchasing a new Mic would be better.  I am sure he would be most interested in wireless for sure.  And if there is anything out there that he could possibly interchange between mobile phone and computer that would be awesome, but I'm guessing that won't be possible if you take BT out of the equation...

Thanks again for your help, we really do appreciate it!  Any if you have some suggestions on a mic, please let me know.

 Heather (for Bob) 

 04/04/2012 04:01 PM
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Chucker
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Quote:
finally have an explanation to the problem.  It just wasn't making any sense why it was happening. In your opinion, are either of the GN Netcom Mics we have OK.  We have had our software much too long to return it, so maybe just purchasing a new Mic would be better.  I am sure he would be most interested in wireless for sure.  And if there is anything out there that he could possibly interchange between mobile phone and computer that would be awesome, but I'm guessing that won't be possible if you take BT out of the equation...

Heather and/or Bob,

Lunis' explanation is not the only reason why this occurs. While the microphone can cause a delay in the display of text because of what Lunis has explained, the fact that you get a sudden rush of displayed text or execution of commands after such a delay is not explained by virtue of i just the ssues related to your microphone.

Depending upon your computer system configuration (CPU, RAM, L2 or L3 cache, etc.), if you have or are using a CPU that has multiple cores and at least 2 GB of RAM, DNS 11.5 automatically defaults to BestMatch IV, which is a multicore/multithreading user profile that uses two distinct and different Acoustic Models processed in parallel across two cores. BestMatch IV also has the capability of storing multiple utterances or multiple commands and processes these in serial format one after another. If you continue to dictate under this condition and the transcription is delayed, for whatever reason, each utterance or command in the buffer will be executed in sequence once DNS is able to process everything stored in the speech buffer.

The answer to your basic question is, NO. There is no way to alter what DNS stores in its own speech buffer. This algorithmic approach was added to DNS 11-11.5 to make the processing of utterances faster, whether they be text or commands. However, the speech buffer is not user accessible. As long as you continue to dictate, up to a certain point, DNS will store that information in the speech buffer and act upon it once DNS becomes active again.

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

Be careful what you ask for. What you get might not be what you expect, or want. - Aesop (620 BC - 700 BC)



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 04/05/2012 12:34 AM
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Lunis Orcutt
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The GN 9120 isn't really designed for speech recognition but may work. We never got around to testing it because the Jabra GN9350 was released but failed our noise filtering tests. The 2nd generation unit, better known as Jabra GN9350e, was slightly improved but we can only recommend using it in a very quiet environment. The accuracy is decent. Note that you can compare noise filtering scores in the Microphone Comparison Matrix.

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