Hello List,

I'm having a problem with a particular webcam/mic combo.

When using the Creative WebCam Live! Ultra cam/mic combo, the audio
seems to be way ahead of the video. Has anyone else had similar issues
with this camera or other cam/mic combo devices?

Thanks,
Jay


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Jay,

It's most likely a matter of your settings. To reduce you latency,
try increasing your rate to 11 or better. Start with Mic.setRate(11)
and go up from there until your latency is reduced or your BW starts
complaining.

HTH,
Bill

On Aug 21, 2006, at 4:32 PM, Jay Charles wrote:

> Hello List,
>
> I'm having a problem with a particular webcam/mic combo.
>
> When using the Creative WebCam Live! Ultra cam/mic combo, the audio
> seems to be way ahead of the video. Has anyone else had similar issues
> with this camera or other cam/mic combo devices?
>
> Thanks,
> Jay
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com

bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260


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[ Post a follow-up to this message ]

Thanks Bill.

Would too high of a sampling rate cause a similar issue? Let's say the
rate is set to 44kHz, and both the client and server have more than
adequate bandwidth to handle the data. Might that cause a similar issue?

Also, might it be an issue of local resources? I don't have the camera
myself (it's another user having the problem), so I can't test to see
how much USB bandwidth or other system resources the device is eating
up.

One other thing that might be the culprit... if separate microphone.get
commands are used to attach the mic to multiple objects (a netstream and
a sound object) might that cause a problem?

-Jay

-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.
org] On Behalf Of Bill
Sanders
Sent: Monday, August 21, 2006 4:44 PM
To: FlashComm Mailing List
Subject: Re: [FlashComm] Cam/mic combo sync issues

Jay,

It's most likely a matter of your settings. To reduce you latency,
try increasing your rate to 11 or better. Start with Mic.setRate(11)
and go up from there until your latency is reduced or your BW starts
complaining.

HTH,
Bill

On Aug 21, 2006, at 4:32 PM, Jay Charles wrote:

> Hello List,
>
> I'm having a problem with a particular webcam/mic combo.
>
> When using the Creative WebCam Live! Ultra cam/mic combo, the audio
> seems to be way ahead of the video. Has anyone else had similar issues
> with this camera or other cam/mic combo devices?
>
> Thanks,
> Jay
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com

bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260


 ________________________________________
_______
FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm

Brought to you by Fig Leaf Software
Premier Authorized Adobe Consulting and Training
http://www.figleaf.com
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 ________________________________________
_______
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To change your subscription options or search the archive:
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[ Post a follow-up to this message ]

Hi Jay,

You have the same mic object w/ different settings attached to
different objects? That's a new one to me. The very best guy to
consult on that is Fabio. Check out his site and his articles on how
sound is handled on FMS.

However, setting them to 44kHz ought to settle the latency problem as
long as the pipes are big enough. I've had the opposite experience
with Creative cameras; albiet ones with external mics. They generate
a great picture with very little BW compared to my Logitech and
iSight cameras.

HTH,
Bill

On Aug 21, 2006, at 4:55 PM, Jay Charles wrote:

> Thanks Bill.
>
> Would too high of a sampling rate cause a similar issue? Let's say the
> rate is set to 44kHz, and both the client and server have more than
> adequate bandwidth to handle the data. Might that cause a similar
> issue?
>
> Also, might it be an issue of local resources? I don't have the camera
> myself (it's another user having the problem), so I can't test to see
> how much USB bandwidth or other system resources the device is eating
> up.
>
> One other thing that might be the culprit... if separate
> microphone.get
> commands are used to attach the mic to multiple objects (a
> netstream and
> a sound object) might that cause a problem?
>
> -Jay
>
> -----Original Message-----
> From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> [mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gman
e.org] On Behalf Of Bill
> Sanders
> Sent: Monday, August 21, 2006 4:44 PM
> To: FlashComm Mailing List
> Subject: Re: [FlashComm] Cam/mic combo sync issues
>
> Jay,
>
> It's most likely a matter of your settings. To reduce you latency,
> try increasing your rate to 11 or better. Start with Mic.setRate(11)
> and go up from there until your latency is reduced or your BW starts
> complaining.
>
> HTH,
> Bill
>
> On Aug 21, 2006, at 4:32 PM, Jay Charles wrote:
> 
>
> bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com
>
>
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com

bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260


 ________________________________________
_______
FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
To change your subscription options or search the archive:
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[ Post a follow-up to this message ]

Yup... that was a new one to me also, and as I was writing the code I
was pretty sure it wouldn't work. It was nice to be wrong there.

The reason for the two connections to the mic is that my app requires
the activity level long before the netstream is created (graphic motion
in response to mic sound), and needs to keep monitoring activity as long
as the app is running.

Anyhoo... a different camera and mic on the same machine proved to
eliminate the sync issue, so I'm comfortable blaming the camera (for now
anyway... we'll see if I have to eat those words later).

Thanks again.

-Jay

-----Original Message-----
From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
[mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.
org] On Behalf Of Bill
Sanders
Sent: Monday, August 21, 2006 5:02 PM
To: FlashComm Mailing List
Subject: Re: [FlashComm] Cam/mic combo sync issues

Hi Jay,

You have the same mic object w/ different settings attached to
different objects? That's a new one to me. The very best guy to
consult on that is Fabio. Check out his site and his articles on how
sound is handled on FMS.

However, setting them to 44kHz ought to settle the latency problem as
long as the pipes are big enough. I've had the opposite experience
with Creative cameras; albiet ones with external mics. They generate
a great picture with very little BW compared to my Logitech and
iSight cameras.

HTH,
Bill

On Aug 21, 2006, at 4:55 PM, Jay Charles wrote:

> Thanks Bill.
>
> Would too high of a sampling rate cause a similar issue? Let's say the
> rate is set to 44kHz, and both the client and server have more than
> adequate bandwidth to handle the data. Might that cause a similar
> issue?
>
> Also, might it be an issue of local resources? I don't have the camera
> myself (it's another user having the problem), so I can't test to see
> how much USB bandwidth or other system resources the device is eating
> up.
>
> One other thing that might be the culprit... if separate
> microphone.get
> commands are used to attach the mic to multiple objects (a
> netstream and
> a sound object) might that cause a problem?
>
> -Jay
>
> -----Original Message-----
> From: flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> [mailto:flashcomm-bounces-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gman
e.org] On Behalf Of Bill
> Sanders
> Sent: Monday, August 21, 2006 4:44 PM
> To: FlashComm Mailing List
> Subject: Re: [FlashComm] Cam/mic combo sync issues
>
> Jay,
>
> It's most likely a matter of your settings. To reduce you latency,
> try increasing your rate to 11 or better. Start with Mic.setRate(11)
> and go up from there until your latency is reduced or your BW starts
> complaining.
>
> HTH,
> Bill
>
> On Aug 21, 2006, at 4:32 PM, Jay Charles wrote:
> 
>
> bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com
>
>
>
>
>  ________________________________________
_______
> FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcomm
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com

bill sanders | www.sandlight.com | bloomfield, ct | 860-242-2260


 ________________________________________
_______
FlashComm-1Ss2GqJETD3yZ38Mhd3e/9ZfFG6BLHNm@public.gmane.org
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm

Brought to you by Fig Leaf Software
Premier Authorized Adobe Consulting and Training
http://www.figleaf.com
http://training.figleaf.com




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To change your subscription options or search the archive:
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[ Post a follow-up to this message ]

So what you are saying is that you're calling Mic.get twice (accessing the
same mic) and then attaching it to different objects?
Would that actually work, I mean doesn't the Mic.get method simply return
the same reference?

Sorry if I'm talking bonkers here, just trying to understand what youre
doing.

Stefan



> One other thing that might be the culprit... if separate
> microphone.get commands are used to attach the mic to
> multiple objects (a netstream and a sound object) might that
> cause a problem?
>


 ________________________________________
_______
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To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcomm

Brought to you by Fig Leaf Software
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[ Post a follow-up to this message ]