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Author Topic: Smaart 8 Preview  (Read 8047 times)

Justice C. Bigler

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Smaart 8 Preview
« on: February 11, 2016, 03:09:55 pm »

Smaart 8 Preview


Due to be released on March 15, 2016. Pricing yet to be announced.
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Justice C. Bigler
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Timo Beckman

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Re: Smaart 8 Preview
« Reply #1 on: February 12, 2016, 01:34:30 am »

There was a little fun going on in Amsterdam

https://timobeckmangeluid.wordpress.com/2016/02/10/having-fun/
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Justice C. Bigler

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Re: Smaart 8 Preview
« Reply #2 on: February 12, 2016, 12:01:54 pm »

There was a little fun going on in Amsterdam

https://timobeckmangeluid.wordpress.com/2016/02/10/having-fun/
I'm trying to figure out what the practical application would be to having multiple Smaart windows open and active at the same time. Seems like a cool feature, I just don't know how I would use it.
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Justice C. Bigler
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Timo Beckman

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Re: Smaart 8 Preview
« Reply #3 on: February 12, 2016, 06:56:33 pm »

If you have a couple of mic's on a job you can for instance have each mic in it's own window with RTA/Spectograph running.
Or 1 window doing RTA/spectograph the other doing a transfer on the same mic.....
« Last Edit: February 12, 2016, 07:00:07 pm by Timo Beckman »
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Ivan Beaver

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Re: Smaart 8 Preview
« Reply #4 on: February 12, 2016, 07:26:46 pm »

If you have a couple of mic's on a job you can for instance have each mic in it's own window with RTA/Spectograph running.
Or 1 window doing RTA/spectograph the other doing a transfer on the same mic.....
I have been an advocate of multimic measurement for many years.

I think it would be much better to have all of the traces overlaying each other on a single screen (like V7 has) than to have to look at different places to see how they are similar or different.

In a live situation I can see your second point.

As of now-from what I have read about the differences, it is not something I will upgrading to.

I guess it depends on the price though.

But others have different usages-so it may be better for them.  Hard to say right now.
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Ivan Beaver
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Jay Barracato

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Re: Smaart 8 Preview
« Reply #5 on: February 12, 2016, 07:51:29 pm »

I want to see the drone option to control the flight of a drone around the venue with a wireless mic.

Sent from my XT1254 using Tapatalk

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Jay Barracato

Ivan Beaver

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Re: Smaart 8 Preview
« Reply #6 on: February 12, 2016, 08:18:42 pm »

I want to see the drone option to control the flight of a drone around the venue with a wireless mic.

Sent from my XT1254 using Tapatalk
I have been wanting that for years-but years ago I figured a blimp would do it.
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A complex question is easily answered by a simple-easy to understand WRONG answer!

Ivan Beaver
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Jay Barracato

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Re: Smaart 8 Preview
« Reply #7 on: February 12, 2016, 08:22:55 pm »

I have been wanting that for years-but years ago I figured a blimp would do it.

I could also imagine sending one up with a camera to get info off of a hang without using a lift.

I wonder if Steve Payne has thought of this. He does a good bit of remote flying.

Sent from my XT1254 using Tapatalk

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Justice C. Bigler

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Re: Smaart 8 Preview
« Reply #8 on: February 12, 2016, 10:55:52 pm »

Or 1 window doing RTA/spectograph the other doing a transfer on the same mic.....
I was told once that this is the reason that some people like SpectraFoo, that it will display all 3 modes at  the same time.


I've not used it, so I don't know.
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Justice C. Bigler
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Justice C. Bigler

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Re: Smaart 8 Preview
« Reply #9 on: March 01, 2016, 05:47:11 pm »

Smaart v. 8 pricing announced:

http://www.rationalacoustics.com/smaart-v8-pricing/

Current Smaart 7 pricing remains for the first 90 days, $895 for a full license and then goes up on June 15. Upgrades and $249 to upgrade from 7 to 8.
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Justice C. Bigler
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Robert Patch

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Re: Smaart 8 Preview
« Reply #10 on: March 01, 2016, 09:32:18 pm »

I read multi-window capability as meaning that you could choose your time window instead of using the hard-to-know-what's-actually-being-measured multi-time windowing.  Darn.
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Riley Casey

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Re: Smaart 8 Preview
« Reply #11 on: March 01, 2016, 10:07:36 pm »

I have both programs for just that reason.  Smaart has the edge for transfer function , Foo still excels at signal monitoring.

I was told once that this is the reason that some people like SpectraFoo, that it will display all 3 modes at  the same time.


I've not used it, so I don't know.

Chris Tsanjoures

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Re: Smaart 8 Preview
« Reply #12 on: March 08, 2016, 11:41:44 am »

I read multi-window capability as meaning that you could choose your time window instead of using the hard-to-know-what's-actually-being-measured multi-time windowing.  Darn.

The functionality that you are describing has been built into Smaart for nearly a decade (since v.7.0) - where you can have many measurements running each with a different FFT size (Time Window). The MTW is designed specifically to give you a better idea of what is going on - since you don't understand this I will try to shed a little light on it, and perhaps you can go and do some more research on your own. All professional audio analyzers I am aware of utilize some sort of decimated transfer function - for ex Meyer Sound's Sim, or Systune's TFC (Time Frequency Constant). Similar to Smaart, but not the same.

I recommend reading/skimming the Smaart user guide - perhaps there are other features that you didn't know existed:

All current Smaart v.7 documentation is located here: http://www.rationalacoustics.com/support/800456-Smaart-v7-Documentation

When using a fixed FFT size, you are committing to one TC and resultant frequency resolution for the entire audio spectrum - this can be problematic when trying to determine signal to noise. Also remember we can better analyze reverberant to non reverberant energy in the case of Polar vs. Complex mag averaging - this is something that has been added in v.8 where 'Mag. Ave. Type' is no longer a global only setting - FFT size was never global in v.7.

Smaart's MTW utilizes multiple time constants from low to high to give a constant 48th oct. frequency resolution - resulting in ~840 frequency points across the audible spectrum, with 48th octave resolution from 60Hz up and 1 Hz resolution up to 140Hz. The part that is likely alluding to most is that the time constants are chosen to better distinguish signal to noise - to make the resulting trace easier to read, and more accurately display what is actually being measured in the situation. Now, remember frequency and wavelength are inversely proportional, so as we go lower in frequency we require a greater TC to accommodate for the greater periods we are dealing with, and vice versa in the high end. By better matching the TC to the periods of the energy they are accounting for, we have a better ability to window out late arriving signal - to determine what is signal and what is noise.

You can also see this in the Coherence trace, which when using MTW becomes a much more useful tool for detecting timing mismatches between the reference and measurement than any single-size FFT based measurement with comparable low frequency resolution. That being said, it becomes obvious that the coherence trace becomes your best measure of intelligibility when combining systems in real time.

I hope this helps. I've attached a screen shot comparing the various FFT sizes in Smaart using the same measurement pair. You can really see how the MTW response (top trace) shows a consistent freq. resolution as compared to any of the single-size FFT measurements. Note that Mag Smooth is off - these traces are the raw FFT data. Being that these are all near field measurements - what you can't see is the incredible penalty you take as you get out into the acoustic space. I invite you to set up this experiment on your own and note the excessive visual 'noise' that you see with a 32k FFT compared to 256 FFT @ 5kHz for example in an actual acoustical environment (6" from a studio monitor on my desk is hardly 'Real World', as you will find out).

One of the cool features that v.8's multi window capability does bring is the ability to view one window in Impulse Response Mode, and another in Real time, where as each window can only be one or the other.
« Last Edit: March 08, 2016, 04:25:07 pm by Chris Tsanjoures »
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Justice C. Bigler

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Re: Smaart 8 Preview
« Reply #13 on: March 18, 2016, 10:23:29 pm »

Smaart version 8 is released and available now.

http://www.rationalacoustics.com/smaart/smaart-v8/
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Justice C. Bigler
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Timo Beckman

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Re: Smaart 8 Preview
« Reply #14 on: March 19, 2016, 09:00:57 am »

I did a small screen capture on the client window feature within Smaart8 so have fun......
https://videopress.com/embed/CnF5dkaI?hd=0&autoPlay=0&permalink=0&loop=0
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Re: Smaart 8 Preview
« Reply #14 on: March 19, 2016, 09:00:57 am »


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