25 posts tagged with acoustics.
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How do I increase reverb in a small room?

I have a small 63" x 64" breakfast nook in my house. Is it workable to close it off, put in a door, and maximize the reverb to make it into a one-person music practice room for my household? [more inside]
posted by Jennifer S. on Sep 7, 2016 - 6 answers

What makes a ringtone audible in an urban environment?

Even with the ringer set on maximum volume, I tend not to hear my phone ringing when I'm out walking on a busy London street. I'd like a ringtone that will be audible over traffic noise, but not be earsplitting or annoying when I'm indoors. Are there any acoustic properties (other than sheer loudness) that I should look for in a ringtone to help it stand out against a background of car engines and other street noise?
posted by yankeefog on Sep 30, 2013 - 17 answers

How do operatic singing techniques optimize for volume?

Someone once told me that a lot of the distinctive "sound" of opera developed as a way to be heard without amplification. Two specific claims I remember: diphthongs are separated into multiple monophthonic syllables, and phonemes which are hard to sing loudly are replaced by easier ones (which sometimes don't even exist in that language). There were others relating to actual singing that I forgot. Does anyone know of a good discussion of this topic that talks about biomechanics and acoustics? Not to ignore artistic and historical considerations, but I'm looking for a somewhat technical discussion. In particular, I'd love to see a comparison with singing styles developed for amplification and recording.
posted by d. z. wang on Feb 23, 2013 - 3 answers

Noise reduction for a concrete box

Hometheaterfilter: How much soundproofing do I need to do in a concrete box? [more inside]
posted by bfranklin on Dec 26, 2012 - 8 answers

Headphone pitch phenomenon

If you take off a pair of headphones and lay them down somewhere, the music sounds like it's in a different pitch than when they're on your head. Why?
posted by facetious on Oct 30, 2012 - 7 answers

Will a Portabooth work for instruments?

Will something like the Porta-Booth Pro work well for recording instruments or other large noise-making devices? [more inside]
posted by invitapriore on Apr 28, 2012 - 1 answer

Why do rock bands like Oriental rugs so much?

Why do rock bands like Oriental rugs so much? [more inside]
posted by werty on May 26, 2011 - 24 answers

What exactly does Dn,e W dB indicate?

What does Dn,e W dB indicate exactly? It is a measurement that refers (apparently exclusively) to the acoustic attenuation performance of "trickle vents". [more inside]
posted by Nish ton on Apr 8, 2011 - 4 answers

Science of crowd noise?

Why does crowd noise sound like crowd noise? [more inside]
posted by mudpuppie on Nov 2, 2010 - 9 answers

How to keep my bed from vibrating?

What can I put under the feet of my bed to dampen/eliminate low-frequency vibrations? [more inside]
posted by BT on May 19, 2010 - 10 answers

His master's voice

What, besides the volume, distinguishes the sound ("timbre") of a string quartet and chamber orchestra? Put another way, if I took a recording of myself singing, and overlaid 100 copies of the track on top of each other, would I sound like a choir section?
posted by Busoni on Apr 24, 2010 - 11 answers

I've got an idea for a new instrument...

Possibly NSFW question about the acoustics of peeing. [more inside]
posted by invitapriore on Mar 29, 2010 - 5 answers

How do they fix performance glitches when doing post-production on "live" recordings?

How do they fix performance glitches when doing post-production on "live" recordings? [more inside]
posted by Joe Beese on Nov 16, 2009 - 9 answers

If only Narcissus weren't such a jerk...

How do I improve the acoustics in a room not really cut out for recording? [more inside]
posted by invitapriore on Aug 17, 2009 - 7 answers

What caused pitch-shifted echoes of the sound of a fireworks display?

What acoustical phenomena explain the apparent pitch-shifted echo I heard while observing tonight's fireworks display? [more inside]
posted by Songdog on Jul 4, 2009 - 12 answers

Where should I put all these musical pirates?

Tell me how to arrange eight to twelve singers, a guitarist (acoustic), a fiddler and a bodhrán player, all unamplified, for best overall audibility and musicality. [more inside]
posted by Faint of Butt on Apr 22, 2009 - 5 answers

Multiple sources of background noise "harmonizing" -- who's studied this, and what did they find?

Heard an NPR story 7(ish) years ago about a guy who measures the pitch of various sources of barely-audible workspace/home background noise (eg. harddrive spinning, refrigerator compressor running, and the flyback transformer on your television) and seeing what chords they made. He contested that different chords would affect peoples' productivity, attitudes, etc. I have some questions about this. [more inside]
posted by cadastral on Apr 9, 2009 - 14 answers

How to perform "I am sitting in a Room" by Alvin Lucier?

I would like to perform Alvin Lucier's "I am sitting in a room" live in a classroom. Does anyone know of a computer program capable of simultaneously playing, recording, and then rerecording over the previously played material on a loop? [more inside]
posted by lotusmonster on Dec 16, 2008 - 12 answers

How do you make something that improves the acoustics of an auditorium?

Can anyone offer me some suggestions for how to make a relatively inexpensive sound trap (i.e. like those echo reducers that large auditoriums have). Info about materials, shapes, etc. would be helpful. [more inside]
posted by n8stew on Aug 9, 2008 - 3 answers

Does sound carry downwards?

Does sound carry downwards? [more inside]
posted by Ms. Informed on Aug 8, 2008 - 11 answers

At least they're not filled with radioactive waste.

Garage studio advice: Help me best configure the space we have for recording. [more inside]
posted by disillusioned on Dec 18, 2007 - 8 answers

How do I perfect my new speakers?

Got great new speakers for my stereo. Now comes the hard part: I need to find a particular kind of stand, and my satellite radio sounds funny. Suggestions? [more inside]
posted by werty on Nov 22, 2007 - 6 answers

Simple, spooky sound semicircles.

What is the name of the simple dish-shaped device used to project and receive sound across a large room? [more inside]
posted by UnnotciedTypo on Jul 3, 2007 - 10 answers

Good online visual explanation of architectural acoustics, especially as refers to auditoria and practice hall design?

What's a good online visual explanation of architectural acoustics, especially as refers to auditoria and practice hall design?
posted by signal on Nov 4, 2004 - 2 answers

Electric/electronic accordions

Electric/electronic accordions. What do they sound like? How's the volume control? Is there any recorded music they've been used it? Are they good for moderately experienced keyboardists who've never played accordion but think they're really cool (especially the auto-transpose stuff)? [more inside]
posted by Tlogmer on May 16, 2004 - 4 answers

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