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PostPosted: Thu May 23, 2013 8:48 pm Reply with quote
hadisumoro
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Joined: 01 Oct 2007
Posts: 39
Location: USA




I do have one feature request that may be useful. Excess group delay and minimum phase calculation. I have been transferring EASERA data to ARTA or sample champion just to get this information recently. I think it will be a useful function since a lot of other measurement system has this.
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PostPosted: Fri May 24, 2013 9:25 am Reply with quote
Waldemar
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Joined: 05 Dec 2005
Posts: 102




We will add the "Excess Group Delay" to the new features requested.
Thank you.
We want to mention that we have included the new sophisticated "Delay Analysis" in the new version of EASERA SysTune. It is recomended for the time alignment of loudspeakers.

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SDA, Waldemar Richert
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PostPosted: Mon May 27, 2013 9:21 pm Reply with quote
Langston Holland
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Joined: 13 May 2007
Posts: 30




I had assumed you used Excess Group Delay within the frequency range of interest in SysTune's Delay Analysis module, which seems to be what you're implying Waldemar. :)

Standard, minimum and excess group delay plots can be extremely useful in tuning as they can reveal what is minimum phase (thus a good candidate for EQ), and what isn't.

One of the clearest discussions I've seen on this can be found on ppg. 50-53 of the help file for the REW v5 measurement software:

http://www.hometheatershack.com/roomeq/REWV5_help.pdf

It would be wonderful to see these plots added to SysTune Pro as well as EASERA. :)

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God bless you and your precious family - Langston
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PostPosted: Tue May 28, 2013 7:04 am Reply with quote
Waldemar
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Joined: 05 Dec 2005
Posts: 102




Thank you, Langston.
We know that text.
If you use the Delay Analysis in SysTune, you can easily find the best Delay, without inspectation of the Phase or Group Delay.
Nevertheless we will discuss to add those plots to SysTune as well.

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SDA, Waldemar Richert
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