 Posted: Mon Sep 05, 2005 1:16 pm |
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| Posted: Mon Sep 05, 2005 2:07 pm |
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| Stefan |
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| Joined: 19 Apr 2005 |
| Posts: 167 |
| Location: Berlin, Germany |
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| Hi Amos,
the artifacts that you see look like clipping effects. Make sure that neither the input or output are clipping. It is recommendable to be 6-10 dB below AD or DA threshold.
However, this does not explain the "overshooting" noise compensation when calculating the RT. Which version of EASERA do you use? Have you already upgraded to 1.0.50?
Stefan |
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| Posted: Mon Sep 05, 2005 2:16 pm |
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| Hi Stefan,
Yes, I am using version 1.0.50. I also tried noise comp. on and off. Neither gave the results that I was expecting. Sometimes it will also give me a different scale after I edit in the wave editor. It doesn't seem to matter what format I save it in when working in Easera.
I would be glad to mail you an IR if you need one.
Amos |
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| Posted: Mon Sep 05, 2005 5:33 pm |
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| Stefan |
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| Joined: 19 Apr 2005 |
| Posts: 167 |
| Location: Berlin, Germany |
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| Hi Amos,
yes, please send the files. Possibly those two that belong to the pictures above.
Also, consider calling the Renkus-Heinz support team, they will be happy to assist you in any case.
Thanks,
Stefan |
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| Posted: Tue Jan 17, 2006 8:12 pm |
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| Gordon Prier |
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| Joined: 12 Aug 2005 |
| Posts: 1 |
| Location: Christchurch New Zealand |
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| HI,
I too have been experiencing this situation. I have been watching for clipping and check headroom before recording a sweep. Some of the T30 times reach very unbelievalbly long times. |
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_________________
Gordon Prier
Christchurch
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| Posted: Mon Jan 30, 2006 5:55 pm |
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| Hi Gordon,
Are you generating the sweep with Easera? The output on my Digigram VXpocket V2 PC Card clips very soon when using the ASIO drivers and I must watch it very carefully.
I understand that the next version to be released should help correct the T30 calculation as well. Here is portion of a reply from Waldemar Richert, SDA which may be helpful to you.
But for the meanwhile:
To work with your 1.00.50 and those files, please apply the following procedure:
1) set the left marker at 0ms and the right marker at approximately 20ms ( ~20ms left of the start of the impuls)
2) click “Edit” menu
3) click “Cyclic Move”
4) click “Cyclic Move (Right Marker to Left Marker)
5) click [OK] button in the “Editing” Window
6) set the right marker at approximately 1sec
7) click “Edit” menu
 click “Create New File From Marker Area”
Now you got an IR which can be saved and which will behave well in 1.00.50-postprocessing.
Best Regards,
Amos |
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