My bedroom is almost square with one corner with an airing cupboard and the
next one sliced off by the chimney as it runs up from the floor below.
It has this middle sounding honk no matter what speakers I use. Short of
coating all the walls with old cardboard egg boxes I wondered if these new
miracle speakers from Sonos might help, or is this room auto compensation
stuff just hype as to me it seems that if there is a resonance you won't
stop that no matter how you adjust speaker frequency response.
Brian

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On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and the
next one sliced off by the chimney as it runs up from the floor below.
It has this middle sounding honk no matter what speakers I use. Short of
coating all the walls with old cardboard egg boxes I wondered if these new
miracle speakers from Sonos might help, or is this room auto compensation
stuff just hype as to me it seems that if there is a resonance you won't
stop that no matter how you adjust speaker frequency response.
Brian

Egg boxes never did anything, but if you have a spare duvet - hang
that on a wall. I did a test in my study years ago - a microphone six
feet away, and comparing with and without the duvet.

http://www.soundthoughts.co.uk/listen/duvet.mp3

d

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In article ,
Don Pearce wrote:
On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and
the next one sliced off by the chimney as it runs up from the floor
below. It has this middle sounding honk no matter what speakers I use.
Short of coating all the walls with old cardboard egg boxes I wondered
if these new miracle speakers from Sonos might help, or is this room
auto compensation stuff just hype as to me it seems that if there is a
resonance you won't stop that no matter how you adjust speaker
frequency response. Brian

Egg boxes never did anything, but if you have a spare duvet - hang
that on a wall. I did a test in my study years ago - a microphone six
feet away, and comparing with and without the duvet.

http://www.soundthoughts.co.uk/listen/duvet.mp3

Yup. Although decent thick curtains may look better.

--
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Dave Plowman London SW
To e-mail, change noise into sound.

On Mon, 26 Mar 2018 00:28:42 +0100, "Dave Plowman (News)"
wrote:

In article ,
Don Pearce wrote:
On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and
the next one sliced off by the chimney as it runs up from the floor
below. It has this middle sounding honk no matter what speakers I use.
Short of coating all the walls with old cardboard egg boxes I wondered
if these new miracle speakers from Sonos might help, or is this room
auto compensation stuff just hype as to me it seems that if there is a
resonance you won't stop that no matter how you adjust speaker
frequency response. Brian

Egg boxes never did anything, but if you have a spare duvet - hang
that on a wall. I did a test in my study years ago - a microphone six
feet away, and comparing with and without the duvet.

http://www.soundthoughts.co.uk/listen/duvet.mp3

Yup. Although decent thick curtains may look better.

Curtains work on the highs, but they do nothing for the lows.

d

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No the room has black out curtains. I'm thinking also about the ceiling. The
carpet is a little old now as well.

More work needed I think.


Funny thing is a pair of cheapo Skytronic two speaker units sound better
than more expensive speakers in this room which is interesting.
Brian

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"Don Pearce" wrote in message
...
On Mon, 26 Mar 2018 00:28:42 +0100, "Dave Plowman (News)"
wrote:

In article ,
Don Pearce wrote:
On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and
the next one sliced off by the chimney as it runs up from the floor
below. It has this middle sounding honk no matter what speakers I use.
Short of coating all the walls with old cardboard egg boxes I wondered
if these new miracle speakers from Sonos might help, or is this room
auto compensation stuff just hype as to me it seems that if there is a
resonance you won't stop that no matter how you adjust speaker
frequency response. Brian

Egg boxes never did anything, but if you have a spare duvet - hang
that on a wall. I did a test in my study years ago - a microphone six
feet away, and comparing with and without the duvet.

http://www.soundthoughts.co.uk/listen/duvet.mp3

Yup. Although decent thick curtains may look better.

Curtains work on the highs, but they do nothing for the lows.

d

---
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In article ,
Don Pearce wrote:
Yup. Although decent thick curtains may look better.

Curtains work on the highs, but they do nothing for the lows.

Depends how thick the curtains are. ;-)

For LF treatment, you really need something like Helmholtz resonators.

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Dave Plowman London SW
To e-mail, change noise into sound.

In article , Dave Plowman (News)
wrote:
In article , Don Pearce
wrote:
Yup. Although decent thick curtains may look better.

Curtains work on the highs, but they do nothing for the lows.

Depends how thick the curtains are. ;-)

And how far they are spaced away from the wall/window behind them.

Jim

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Audio Misc http://www.audiomisc.co.uk/index.html

maanantai 26. maaliskuuta 2018 13.00.07 UTC+3 Dave Plowman (News) kirjoitti:
In article ,
Don Pearce wrote:
Yup. Although decent thick curtains may look better.

Curtains work on the highs, but they do nothing for the lows.

Depends how thick the curtains are. ;-)

Proper acoustic curtains which are usually hung in double pairs,
are *very* expensive.

Iain

As long as it was a Russ Andrews Duvet it will probably work.!!

I'll have a listen, but I've often found ears hear differently to
microphones in this setting.
Brian

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This newsgroup posting comes to you directly from...
The Sofa of Brian Gaff...

Blind user, so no pictures please!
"Don Pearce" wrote in message
...
On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and
the
next one sliced off by the chimney as it runs up from the floor below.
It has this middle sounding honk no matter what speakers I use. Short of
coating all the walls with old cardboard egg boxes I wondered if these new
miracle speakers from Sonos might help, or is this room auto compensation
stuff just hype as to me it seems that if there is a resonance you won't
stop that no matter how you adjust speaker frequency response.
Brian

Egg boxes never did anything, but if you have a spare duvet - hang
that on a wall. I did a test in my study years ago - a microphone six
feet away, and comparing with and without the duvet.

http://www.soundthoughts.co.uk/listen/duvet.mp3

d

---
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sunnuntai 25. maaliskuuta 2018 23.21.54 UTC+3 Don Pearce kirjoitti:
On Wed, 21 Mar 2018 16:25:51 -0000, "Brian Gaff"
wrote:

My bedroom is almost square with one corner with an airing cupboard and the
next one sliced off by the chimney as it runs up from the floor below.
It has this middle sounding honk no matter what speakers I use. Short of
coating all the walls with old cardboard egg boxes I wondered if these new
miracle speakers from Sonos might help, or is this room auto compensation
stuff just hype as to me it seems that if there is a resonance you won't
stop that no matter how you adjust speaker frequency response.
Brian

Egg boxes never did anything,

The legendary Gooseberry Studio in Soho had a drum room with walls
and ceiling lined with egg boxes, or rather egg trays - the larger
square ones. It worked pretty well.

but if you have a spare duvet - hang
that on a wall.

Indeed. You can get effective sound treatment from Ikea at a very
reasonable price. If you want it to look good too, the duvet can
have a solid wood surround (for example a frame about 10cms larger
that the duvet made from old floorboards, sanded. varnished and
mounted edge-on to the wall. The duvet can be suspended within the
frame mounted corner to corner with transparent fishing line. It looks pretty good.

Iain