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Author Topic: Sound reflective stage textiles  (Read 2685 times)

Timmy Liland

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Sound reflective stage textiles
« on: February 07, 2018, 02:56:21 pm »

I am working in a venue with a reverb time of 1.1sec.
This is a multi purpose room for cinema, rock/classical concerts and whatever cultural event that shows up.
Over the stage I have 9 acoustic tiles that can be lowered and tilted.
There are also 4 roll-up curtains on each wall along the amfi with improves the reverb time a little.

When we have classical concerts (grand piano, string groups) there the performers would like to have all the stage curtains removed.
I removed all except the front curtain, which was impossible to remove without a lift. The result was an ugly looking anthracite grey stage and happy orchestra.

Will sound reflective stage textiles be a solution?
I have so far found these:
https://www.gerriets.com/en/products/acoustics/sound-reflective-textiles/clivia-echo-room-acoustics

Are there other solutions to this problem?
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lindsay Dean

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Re: Sound reflective stage textiles
« Reply #1 on: February 07, 2018, 03:00:28 pm »

Along the side walls you probably would want diffusion and not reflection
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Timmy Liland

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Re: Sound reflective stage textiles
« Reply #2 on: February 07, 2018, 04:12:57 pm »

Along the side walls you probably would want diffusion and not reflection

Do you mean on the stage?

The side walls along the amfi can not be touched, this treatment is completed. There has been an acoustic consultant involved before the building started.

The present reverb time is the best compromise, but sometimes the compromise isnīt good enough.

The musicians feel that the stage is too dead so sometimes some of the orchestra are sitting in front of the stage, around 1,5m from the first row.

I wold also like to hide the side walls on stage, thats why I thought reflective legs and reflective back curtains could be a good idea.

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Keith Broughton

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Re: Sound reflective stage textiles
« Reply #3 on: February 08, 2018, 06:11:39 am »

Having not seen or worked with the reflective material you describe, I can't comment on how it would perform.
The acoustic tiles over the stage, are they designed to absorb sound?
I many halls I have seen deflectors over the orchestra to reflect sound back down to the different sections to give the players a more balanced sound.
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Tim Weaver

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Re: Sound reflective stage textiles
« Reply #4 on: February 08, 2018, 09:21:04 am »

It's easier to mic the orchestra and feed that to a reverb unit that is used to dial in any amount of "liveness" you want.

I used to do this all the time in a dead room.
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Timmy Liland

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Re: Sound reflective stage textiles
« Reply #5 on: February 08, 2018, 02:28:49 pm »

Having not seen or worked with the reflective material you describe, I can't comment on how it would perform.
The acoustic tiles over the stage, are they designed to absorb sound?
I many halls I have seen deflectors over the orchestra to reflect sound back down to the different sections to give the players a more balanced sound.

The acoustic tiles are made of plywood and curved some degrees and tilted upwards around 20 degrees. The ensemble in this picture ordered removal of all textiles included the front curtain.
I said no to remove the front curtain.
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Timmy Liland

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Re: Sound reflective stage textiles
« Reply #6 on: February 08, 2018, 02:31:12 pm »

It's easier to mic the orchestra and feed that to a reverb unit that is used to dial in any amount of "liveness" you want.

I used to do this all the time in a dead room.

I was going to try that once, but they would not see any microphones on stage.
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lindsay Dean

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Re: Sound reflective stage textiles
« Reply #7 on: February 08, 2018, 03:16:22 pm »

If they are curved what you're describing is a diffusion panel.
There are also diffusion panels that look like thousands of pieces of wood  different lengths, there are also some that look like slats that are made a certain way to absorb and diffuse
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lindsay Dean

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Re: Sound reflective stage textiles
« Reply #8 on: February 08, 2018, 03:22:02 pm »

Substitute a very thin sheer black curtain around the stage  where are the absorption curtains were .




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lindsay Dean

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Re: Sound reflective stage textiles
« Reply #9 on: February 08, 2018, 03:24:56 pm »

Substitute a very thin sheer black curtain around the stage  where are the absorption curtains were .





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