Yamaha Acoustic Conditioning Panel
Old 24th January 2012
  #1
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Yamaha Acoustic Conditioning Panel

Old 24th January 2012
  #2
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BriHar's Avatar
 

The idea seems sound (pardon the pun), the classic helmholz resonator.
The only thing that bothers me, there doesn't seem to be any way of tuning the traps so as to customize them for a given room. They are probably based on a broad generic tuning.
Old 24th January 2012
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An interesting take on the Helmholtz absorber but I doubt that the ”scattering” will be anything but very limited. Still, better than just broadband absorption (unless early reflection points naturally).
Old 24th January 2012
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Just thinking out loud, but what if instead of placing these rectangular "Pipes" in a flat panel, they were set at varying depths (e.g.N7) to form a QRD Diffusor? A compound resonator?

Any thoughts?
Old 24th January 2012
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I don't know about this one - personally I think the approach may be flawed.

They say that the product is effectively even from 80 to 4,000 Hz ( personally I would love to see the full report) and they chart from 125 to 4000 Hz the test results, which are indeed relatively even (acoustically speaking).

What I question here is the concept that a room (necessarily) requires the same amount of attenuation within the space at 4,000 Hz as it may at 80Hz.

To even think that a space can be effectively treated to create an even room response simply by lowering the amount of absorption at higher frequencies just does not resonate here (pun intended).

Personally I'm not real fond of using just absorption to treat any space - however it's takes quite a bit to tame low frequencies in smaller room especially - and it isn't like you can use these one over the other - so we're talking covering huge surface areas here to get to any real level of LF control - great for sales - bad for the budget.....

I would really like to see the results of this used in a sample test room......

I also do not see a whole lot of scattering taking place here. However, as mentioned I really would like to take a look at the laboratory test results........

There is also (of course) one of my other pet peeves....... which is visiting a website to look at a room treatments and seeing it (the only product) listed under the category heading of "Soundproofing"......... it seems to me that Yamaha could have thought that one through a wee bit more......

Rod
Old 24th January 2012
  #6
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Glenn Kuras's Avatar
 

Quote:
Originally Posted by Jens Eklund View Post
An interesting take on the Helmholtz absorber but I doubt that the ”scattering” will be anything but very limited. Still, better than just broadband absorption (unless early reflection points naturally).
Take it from someone that works with both, there is no "better" between tuned and broadband. There is only different and every room is treated different.
Old 24th January 2012
  #7
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DanDan's Avatar
Sonority

Intriguing. Yamaha generally do very good R&D.
I don't see much in the way of absorption here.
They may well add a sonorous resonance to rooms.
Greek amphitheatres used a similar technique to achieve some vocal and musical assistance/enhancement outdoors.
Musicians, seemingly the target market, may love this.
Look forward to hearing them or reports of same.

DD
Old 24th January 2012
  #8
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Rod Gervais's Avatar
 

Quote:
Originally Posted by DanDan View Post
Greek amphitheatres used a similar technique to achieve some vocal and musical assistance/enhancement outdoors.
This is quite true - however they were also working with these spaces as a whole design - I can see where you might be able to design a studio around these - as a whole - but I (somehow) am failing to see how they would be effective on their own just walking into any old room.

Again though - I really would need to see the lab results in order to form a better opinion..... right now this is all just off the top of my head........

Rod
Old 24th January 2012
  #9
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boggy's Avatar
 

Quote:
Originally Posted by DanDan View Post
........
Greek amphitheatres used a similar technique to achieve some vocal and musical assistance/enhancement outdoors.
Musicians, seemingly the target market, may love this.
Look forward to hearing them or reports of same.
........
You are rignt, but no one expected to play anything with (too loud and too much) low frequencies in greek amphitheatres. This product may do something but its effect in small room is pretty questionable, in relation to common wideband porous absorbers or... VPR inspired designs that already exists on gs. For diffusion we have many better solutions, even combined, absorption and diffusion (e. g. MyRoom Design)
Honestly, this is still better than "SpaceCoupler" at least...
Old 24th January 2012
  #10
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DanDan's Avatar
PR

I think the dots between R&D and PR in Yamaha aren't connected.
Enhancing Music Rooms seems fine to me, but including Studios and Home Theatre seems daft. And to cap it all, +1 Rod, SOUNDPROOFING!
I wonder would it be like having a grand piano in the CR. Lid fully up, sustain pedal jammed fully on......
Danny Lanois will buy these.....
DD

Last edited by DanDan; 24th January 2012 at 04:43 PM.. Reason: Danny
Old 24th January 2012
  #11
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Old 24th January 2012
  #12
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Jens Eklund's Avatar
 

Quote:
Originally Posted by Glenn Kuras View Post
Take it from someone that works with both, there is no "better" between tuned and broadband. There is only different and every room is treated different.
Yes, it depends on the control room design chosen. If LEDE/RFZ, you normally avoid broadband absorbers is possible.
Old 24th January 2012
  #13
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Jens Eklund's Avatar
 

Quote:
Originally Posted by BriHar View Post
Just thinking out loud, but what if instead of placing these rectangular "Pipes" in a flat panel, they were set at varying depths (e.g.N7) to form a QRD Diffusor? A compound resonator?

Any thoughts?
Yes maybe, or something like this:
I just built my first skyline diffuser....

Old 31st January 2014
  #14
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AlanTide's Avatar
 

Finally found a retail price for these.

$550 per 48x24 sheet
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