FW: Question for RESNA listserv - voice recognition

[Liza MacLean]

I am forwarding this for a colleagues, does anyone have any suggestions?
Regards
Liza MacLean

I have a client with limb girdle muscular dystrophy who is very motivated to explore voice recognition for computer access.  He has very limited physical movement but good speech.  He uses a BiPAP machine for respiratory support and wears a nasal mask (he can only tolerate very short periods off the machine).  We are having trouble getting him past the initial training stage of Dragon Naturally Speaking Version 10 most likely because of the background noise from the BiPAP machine and his respiration.  We have tried a USB desktop microphone and a high quality Andrea headset USB noise cancelling microphone without success.  We are also exploring eye gaze for computer access but I wondered if anyone had had success setting up voice recognition with a person using respiratory support via a nasal mask or had other ideas re: setting up voice recognition to trial with this gentleman?

Thanks in advance for your thoughts.

Rachelle Baldock


Rachelle Baldock | Occupational Therapist | TASC Consultative Services
The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
PO Box 184, Brookvale, NSW 2100
T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485


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[Alan Cantor-2]

When setting up a new user, at the final stage of the Audio Setup Wizard,
there is a "Play" button. Click it, and listen carefully to the recording of
the client reading the passage. The play back needs to be very clear, with
no interference, background noise, breathy sounds, clicks, or hums.
Diagnosing the sound you do hear should give you a hint about what to do
next.

Listen carefully for background sounds. When it comes to noise cancellation,
some microphones are better than others. I am not sure about Andrea
microphones, but my guess is that there are better ones.

If you can hear the BiPAP machine, then you need to find a way to sonically
isolate it.

If you hear sibilant sounds, the microphone may be improperly positioned.
Ideally, it should be beside the mouth, not in front of it. Try
experimenting with the microphone position. I have had success placing
microphones an inch closer to the ear than to the mouth.

If you hear electronic pops and clicks, the microphone may be toast.

Not all USB ports are created equal. If you find a USB microphone that works
well, continue to use the same port.

Alan

> -----Original Message-----
> From: RESNA's Assistive Technology Forum [mailto:AT-
> FORUM@...] On Behalf Of Liza MacLean
> Sent: 03 November 2009 6:45 p.m.
> To: AT-FORUM@...
> Subject: FW: Question for RESNA listserv - voice recognition
>
> I am forwarding this for a colleagues, does anyone have any suggestions?
> Regards
> Liza MacLean
>
> I have a client with limb girdle muscular dystrophy who is very
> motivated to explore voice recognition for computer access.  He has very
> limited physical movement but good speech.  He uses a BiPAP machine for
> respiratory support and wears a nasal mask (he can only tolerate very
> short periods off the machine).  We are having trouble getting him past
> the initial training stage of Dragon Naturally Speaking Version 10 most
> likely because of the background noise from the BiPAP machine and his
> respiration.  We have tried a USB desktop microphone and a high quality
> Andrea headset USB noise cancelling microphone without success.  We are
> also exploring eye gaze for computer access but I wondered if anyone had
> had success setting up voice recognition with a person using respiratory
> support via a nasal mask or had other ideas re: setting up voice
> recognition to trial with this gentleman?
>
> Thanks in advance for your thoughts.
>
> Rachelle Baldock
>
>
> Rachelle Baldock | Occupational Therapist | TASC Consultative Services
> The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
> PO Box 184, Brookvale, NSW 2100
> T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485
>
>
> mailgate.tscnsw.local made the following annotations
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[Ray Grott]

This is a tough one.
The desktop USB mic is not noise cancelling.
Andrea makes good noise cancelling mics BUT all of these are designed
to cancel out ambient noise reaching the front and back of the
microphone element at the same time and with the same intensity, or
noise coming from in front of the speaker. Sound coming from the same
direction and almost the same distance as the speaker's lips would be
very hard to cancel out.

Things to try:

1) Stick with the headset mic but place the element lower down near
the chin--farther away from the noise source.

2) Also, reduce the sensitivity of the microphone--speak more loudly
than normal during the audio setup so that the mic volume gets tweaked down.

3) This isn't my field, but you might try to find a quieter mask or
one that leaks less. Some products (Nasal-Aire II "Cannula Style"
CPAP mask) advertise: "super quiet exhalation ports, redesigned nasal
prongs, a more comfortable seal, and lower sound level . . ."
http://www.directhomemedical.com/masks-cpap-bipap/index.html

4) Finally, and this is my "field," consider trying "theBoom"
microphone. Initially designed for use in very noisy environments
such as helicopters,etc. I've been quite impressed by how well it's
done for a couple of people I've worked with. Several models to
choose from specifically recommended for speech recognition.
http://www.theboom.com/v/speechrecognition.html  Get it from a place
that accepts returns . . .

Ray Grott

At 03:45 PM 11/3/2009, you wrote:

>I am forwarding this for a colleagues, does anyone have any suggestions?
>Regards
>Liza MacLean
>
>I have a client with limb girdle muscular dystrophy who is very
>motivated to explore voice recognition for computer access.  He has
>very limited physical movement but good speech.  He uses a BiPAP
>machine for respiratory support and wears a nasal mask (he can only
>tolerate very short periods off the machine).  We are having trouble
>getting him past the initial training stage of Dragon Naturally
>Speaking Version 10 most likely because of the background noise from
>the BiPAP machine and his respiration.  We have tried a USB desktop
>microphone and a high quality Andrea headset USB noise cancelling
>microphone without success.  We are also exploring eye gaze for
>computer access but I wondered if anyone had had success setting up
>voice recognition with a person using respiratory support via a
>nasal mask or had other ideas re: setting up voice recognition to
>trial with this gentleman?
>
>Thanks in advance for your thoughts.
>
>Rachelle Baldock
>
>
>Rachelle Baldock | Occupational Therapist | TASC Consultative Services
>The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
>PO Box 184, Brookvale, NSW 2100
>T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485
>
>
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>  copies of the original message.
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[Annette Fischer]

Good morning Ray,

I went to the site and it looks like the mics are not USB and since they offer adapters, I am thinking they might need adapters to work well.  My gut feeling says that each additional layer decreases quality.  Please share your thoughts on this.  Thank you.

NEttie

----- Original Message -----
From: "Ray Grott" <rgrott@...>
To: AT-FORUM@...
Sent: Tuesday, November 3, 2009 8:15:45 PM GMT -08:00 US/Canada Pacific
Subject: Re: FW: Question for RESNA listserv - voice recognition

This is a tough one.
The desktop USB mic is not noise cancelling.
Andrea makes good noise cancelling mics BUT all of these are designed
to cancel out ambient noise reaching the front and back of the
microphone element at the same time and with the same intensity, or
noise coming from in front of the speaker. Sound coming from the same
direction and almost the same distance as the speaker's lips would be
very hard to cancel out.

Things to try:

1) Stick with the headset mic but place the element lower down near
the chin--farther away from the noise source.

2) Also, reduce the sensitivity of the microphone--speak more loudly
than normal during the audio setup so that the mic volume gets tweaked down.

3) This isn't my field, but you might try to find a quieter mask or
one that leaks less. Some products (Nasal-Aire II "Cannula Style"
CPAP mask) advertise: "super quiet exhalation ports, redesigned nasal
prongs, a more comfortable seal, and lower sound level . . ."
http://www.directhomemedical.com/masks-cpap-bipap/index.html

4) Finally, and this is my "field," consider trying "theBoom"
microphone. Initially designed for use in very noisy environments
such as helicopters,etc. I've been quite impressed by how well it's
done for a couple of people I've worked with. Several models to
choose from specifically recommended for speech recognition.
http://www.theboom.com/v/speechrecognition.html  Get it from a place
that accepts returns . . .

Ray Grott

At 03:45 PM 11/3/2009, you wrote:

>I am forwarding this for a colleagues, does anyone have any suggestions?
>Regards
>Liza MacLean
>
>I have a client with limb girdle muscular dystrophy who is very
>motivated to explore voice recognition for computer access.  He has
>very limited physical movement but good speech.  He uses a BiPAP
>machine for respiratory support and wears a nasal mask (he can only
>tolerate very short periods off the machine).  We are having trouble
>getting him past the initial training stage of Dragon Naturally
>Speaking Version 10 most likely because of the background noise from
>the BiPAP machine and his respiration.  We have tried a USB desktop
>microphone and a high quality Andrea headset USB noise cancelling
>microphone without success.  We are also exploring eye gaze for
>computer access but I wondered if anyone had had success setting up
>voice recognition with a person using respiratory support via a
>nasal mask or had other ideas re: setting up voice recognition to
>trial with this gentleman?
>
>Thanks in advance for your thoughts.
>
>Rachelle Baldock
>
>
>Rachelle Baldock | Occupational Therapist | TASC Consultative Services
>The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
>PO Box 184, Brookvale, NSW 2100
>T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485
>
>
>mailgate.tscnsw.local made the following annotations
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>  and may contain confidential and privileged information. Any unauthorized
>  review, use, disclosure or distribution is prohibited. If you are not the
>  intended recipient, please contact the sender by reply email and
> destroy all
>  copies of the original message.
>
>This message has been content scanned by the Tumbleweed MailGate.
>MailGate uses policy enforcement to scan for known viruses, spam,
>undesirable content and malicious code. For more information on
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[Ray Grott]

Hi Nettie,
The potential value in a USB microphone adapter is that it bypasses
the computer's own sound chip or card, which itself can introduce a
level of noise or other problems -- especially "on board" sound
chips, and especially on notebook computers. (Sound chip developers
have focused more on high quality output and less on recording.)
While a good quality sound card can be just as good as a USB mic pod,
we usually go with a USB microphone pod to avoid any computer-related
problems with the audio. I don't know which ones theBoom recommends
or offers, but we typically go with the Buddy 6G for most of our mics.

Ray

>Good morning Ray,
>
>I went to the site and it looks like the mics are not USB and since
>they offer adapters, I am thinking they might need adapters to work
>well.  My gut feeling says that each additional layer decreases
>quality.  Please share your thoughts on this.  Thank you.
>
>NEttie
>
>----- Original Message -----
>From: "Ray Grott" <rgrott@...>
>To: AT-FORUM@...
>Sent: Tuesday, November 3, 2009 8:15:45 PM GMT -08:00 US/Canada Pacific
>Subject: Re: FW: Question for RESNA listserv - voice recognition
>
>This is a tough one.
>The desktop USB mic is not noise cancelling.
>Andrea makes good noise cancelling mics BUT all of these are designed
>to cancel out ambient noise reaching the front and back of the
>microphone element at the same time and with the same intensity, or
>noise coming from in front of the speaker. Sound coming from the same
>direction and almost the same distance as the speaker's lips would be
>very hard to cancel out.
>
>Things to try:
>
>1) Stick with the headset mic but place the element lower down near
>the chin--farther away from the noise source.
>
>2) Also, reduce the sensitivity of the microphone--speak more loudly
>than normal during the audio setup so that the mic volume gets tweaked down.
>
>3) This isn't my field, but you might try to find a quieter mask or
>one that leaks less. Some products (Nasal-Aire II "Cannula Style"
>CPAP mask) advertise: "super quiet exhalation ports, redesigned nasal
>prongs, a more comfortable seal, and lower sound level . . ."
>http://www.directhomemedical.com/masks-cpap-bipap/index.html
>
>4) Finally, and this is my "field," consider trying "theBoom"
>microphone. Initially designed for use in very noisy environments
>such as helicopters,etc. I've been quite impressed by how well it's
>done for a couple of people I've worked with. Several models to
>choose from specifically recommended for speech recognition.
>http://www.theboom.com/v/speechrecognition.html  Get it from a place
>that accepts returns . . .
>
>Ray Grott
>
>At 03:45 PM 11/3/2009, you wrote:
>>I am forwarding this for a colleagues, does anyone have any suggestions?
>>Regards
>>Liza MacLean
>>
>>I have a client with limb girdle muscular dystrophy who is very
>>motivated to explore voice recognition for computer access.  He has
>>very limited physical movement but good speech.  He uses a BiPAP
>>machine for respiratory support and wears a nasal mask (he can only
>>tolerate very short periods off the machine).  We are having trouble
>>getting him past the initial training stage of Dragon Naturally
>>Speaking Version 10 most likely because of the background noise from
>>the BiPAP machine and his respiration.  We have tried a USB desktop
>>microphone and a high quality Andrea headset USB noise cancelling
>>microphone without success.  We are also exploring eye gaze for
>>computer access but I wondered if anyone had had success setting up
>>voice recognition with a person using respiratory support via a
>>nasal mask or had other ideas re: setting up voice recognition to
>>trial with this gentleman?
>>
>>Thanks in advance for your thoughts.
>>
>>Rachelle Baldock
>>
>>
>>Rachelle Baldock | Occupational Therapist | TASC Consultative Services
>>The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
>>PO Box 184, Brookvale, NSW 2100
>>T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485
>  >
>>
>>mailgate.tscnsw.local made the following annotations
>>---------------------------------------------------------------------
>>NOTICE: This email message is for the sole use of the intended recipient(s)
>>   and may contain confidential and privileged information. Any unauthorized
>>   review, use, disclosure or distribution is prohibited. If you are not the
>>   intended recipient, please contact the sender by reply email and
>>  destroy all
>>   copies of the original message.
>>
>>This message has been content scanned by the Tumbleweed MailGate.
>>MailGate uses policy enforcement to scan for known viruses, spam,
>>undesirable content and malicious code. For more information on
>>Tumbleweed products please visit www.tumbleweed.com.
>>---------------------------------------------------------------------

--

[Gabbert, Darren L.]

With regard to trying a quieter mask, I would suggest trying Resmed's Swift LT.
http://www.directhomemedical.com/masks-cpap-bipap/swift-lt-cpap-mask-nasal-pillow-bipap.html?gclid=CJegmPfy8Z0CFVF95QodCT_ENA

I use this mask with a biPAP and find it to be quite comfortable, does not interfere with vision, and is extremely quiet.  I haven't had to use it with my speech recognition yet, but I am confident that it wouldn't make enough noise to interfere.

Darren Gabbert
Grants & Contracts Administrator
Adaptive Computing Technology Center
University of Missouri Division of IT
N-18 Memorial Union
Columbia, MO 65211
Phone: [phone]
Fax:  [phone]
Darren@...


-----Original Message-----
From: RESNA's Assistive Technology Forum [mailto:AT-FORUM@...] On Behalf Of Ray Grott
Sent: Tuesday, November 03, 2009 10:16 PM
To: AT-FORUM@...
Subject: Re: FW: Question for RESNA listserv - voice recognition

This is a tough one.
The desktop USB mic is not noise cancelling.
Andrea makes good noise cancelling mics BUT all of these are designed to cancel out ambient noise reaching the front and back of the microphone element at the same time and with the same intensity, or noise coming from in front of the speaker. Sound coming from the same direction and almost the same distance as the speaker's lips would be very hard to cancel out.

Things to try:

1) Stick with the headset mic but place the element lower down near the chin--farther away from the noise source.

2) Also, reduce the sensitivity of the microphone--speak more loudly than normal during the audio setup so that the mic volume gets tweaked down.

3) This isn't my field, but you might try to find a quieter mask or one that leaks less. Some products (Nasal-Aire II "Cannula Style"
CPAP mask) advertise: "super quiet exhalation ports, redesigned nasal prongs, a more comfortable seal, and lower sound level . . ."
http://www.directhomemedical.com/masks-cpap-bipap/index.html

4) Finally, and this is my "field," consider trying "theBoom"
microphone. Initially designed for use in very noisy environments such as helicopters,etc. I've been quite impressed by how well it's done for a couple of people I've worked with. Several models to choose from specifically recommended for speech recognition.
http://www.theboom.com/v/speechrecognition.html  Get it from a place that accepts returns . . .

Ray Grott

At 03:45 PM 11/3/2009, you wrote:

>I am forwarding this for a colleagues, does anyone have any suggestions?
>Regards
>Liza MacLean
>
>I have a client with limb girdle muscular dystrophy who is very
>motivated to explore voice recognition for computer access.  He has
>very limited physical movement but good speech.  He uses a BiPAP
>machine for respiratory support and wears a nasal mask (he can only
>tolerate very short periods off the machine).  We are having trouble
>getting him past the initial training stage of Dragon Naturally
>Speaking Version 10 most likely because of the background noise from
>the BiPAP machine and his respiration.  We have tried a USB desktop
>microphone and a high quality Andrea headset USB noise cancelling
>microphone without success.  We are also exploring eye gaze for
>computer access but I wondered if anyone had had success setting up
>voice recognition with a person using respiratory support via a nasal
>mask or had other ideas re: setting up voice recognition to trial with
>this gentleman?
>
>Thanks in advance for your thoughts.
>
>Rachelle Baldock
>
>
>Rachelle Baldock | Occupational Therapist | TASC Consultative Services
>The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW PO Box 184,
>Brookvale, NSW 2100 T 02  9975 8463 | 02 9975 8469 (Reception) | F 02
>9975 8485
>
>
>mailgate.tscnsw.local made the following annotations
>---------------------------------------------------------------------
>NOTICE: This email message is for the sole use of the intended
>recipient(s)
>  and may contain confidential and privileged information. Any
>unauthorized
>  review, use, disclosure or distribution is prohibited. If you are not
>the
>  intended recipient, please contact the sender by reply email and  
>destroy all
>  copies of the original message.
>
>This message has been content scanned by the Tumbleweed MailGate.
>MailGate uses policy enforcement to scan for known viruses, spam,
>undesirable content and malicious code. For more information on
>Tumbleweed products please visit www.tumbleweed.com.
>---------------------------------------------------------------------

[Annette Fischer]

Thanks Ray,

That continues to support my thinking on this issue.  The adapter is the interim piece of equipment that provides the bypass of the computer sound card.

I will look at the Buddy 6G.

Nettie
----- Original Message -----
From: "Ray Grott" <rgrott@...>
To: AT-FORUM@...
Sent: Wednesday, November 4, 2009 9:22:07 AM GMT -08:00 US/Canada Pacific
Subject: Re: Question for RESNA listserv - voice recognition

Hi Nettie,
The potential value in a USB microphone adapter is that it bypasses
the computer's own sound chip or card, which itself can introduce a
level of noise or other problems -- especially "on board" sound
chips, and especially on notebook computers. (Sound chip developers
have focused more on high quality output and less on recording.)
While a good quality sound card can be just as good as a USB mic pod,
we usually go with a USB microphone pod to avoid any computer-related
problems with the audio. I don't know which ones theBoom recommends
or offers, but we typically go with the Buddy 6G for most of our mics.

Ray

>Good morning Ray,
>
>I went to the site and it looks like the mics are not USB and since
>they offer adapters, I am thinking they might need adapters to work
>well.  My gut feeling says that each additional layer decreases
>quality.  Please share your thoughts on this.  Thank you.
>
>NEttie
>
>----- Original Message -----
>From: "Ray Grott" <rgrott@...>
>To: AT-FORUM@...
>Sent: Tuesday, November 3, 2009 8:15:45 PM GMT -08:00 US/Canada Pacific
>Subject: Re: FW: Question for RESNA listserv - voice recognition
>
>This is a tough one.
>The desktop USB mic is not noise cancelling.
>Andrea makes good noise cancelling mics BUT all of these are designed
>to cancel out ambient noise reaching the front and back of the
>microphone element at the same time and with the same intensity, or
>noise coming from in front of the speaker. Sound coming from the same
>direction and almost the same distance as the speaker's lips would be
>very hard to cancel out.
>
>Things to try:
>
>1) Stick with the headset mic but place the element lower down near
>the chin--farther away from the noise source.
>
>2) Also, reduce the sensitivity of the microphone--speak more loudly
>than normal during the audio setup so that the mic volume gets tweaked down.
>
>3) This isn't my field, but you might try to find a quieter mask or
>one that leaks less. Some products (Nasal-Aire II "Cannula Style"
>CPAP mask) advertise: "super quiet exhalation ports, redesigned nasal
>prongs, a more comfortable seal, and lower sound level . . ."
>http://www.directhomemedical.com/masks-cpap-bipap/index.html
>
>4) Finally, and this is my "field," consider trying "theBoom"
>microphone. Initially designed for use in very noisy environments
>such as helicopters,etc. I've been quite impressed by how well it's
>done for a couple of people I've worked with. Several models to
>choose from specifically recommended for speech recognition.
>http://www.theboom.com/v/speechrecognition.html  Get it from a place
>that accepts returns . . .
>
>Ray Grott
>
>At 03:45 PM 11/3/2009, you wrote:
>>I am forwarding this for a colleagues, does anyone have any suggestions?
>>Regards
>>Liza MacLean
>>
>>I have a client with limb girdle muscular dystrophy who is very
>>motivated to explore voice recognition for computer access.  He has
>>very limited physical movement but good speech.  He uses a BiPAP
>>machine for respiratory support and wears a nasal mask (he can only
>>tolerate very short periods off the machine).  We are having trouble
>>getting him past the initial training stage of Dragon Naturally
>>Speaking Version 10 most likely because of the background noise from
>>the BiPAP machine and his respiration.  We have tried a USB desktop
>>microphone and a high quality Andrea headset USB noise cancelling
>>microphone without success.  We are also exploring eye gaze for
>>computer access but I wondered if anyone had had success setting up
>>voice recognition with a person using respiratory support via a
>>nasal mask or had other ideas re: setting up voice recognition to
>>trial with this gentleman?
>>
>>Thanks in advance for your thoughts.
>>
>>Rachelle Baldock
>>
>>
>>Rachelle Baldock | Occupational Therapist | TASC Consultative Services
>>The Spastic Centre, 189 Allambie Road, Allambie Hts, NSW
>>PO Box 184, Brookvale, NSW 2100
>>T 02  9975 8463 | 02 9975 8469 (Reception) | F 02 9975 8485
>  >
>>
>>mailgate.tscnsw.local made the following annotations
>>---------------------------------------------------------------------
>>NOTICE: This email message is for the sole use of the intended recipient(s)
>>   and may contain confidential and privileged information. Any unauthorized
>>   review, use, disclosure or distribution is prohibited. If you are not the
>>   intended recipient, please contact the sender by reply email and
>>  destroy all
>>   copies of the original message.
>>
>>This message has been content scanned by the Tumbleweed MailGate.
>>MailGate uses policy enforcement to scan for known viruses, spam,
>>undesirable content and malicious code. For more information on
>>Tumbleweed products please visit www.tumbleweed.com.
>>---------------------------------------------------------------------

--