23 posts tagged with audio and noise.
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Ultra sparse music

I'm craving music that has as little sound as possible. I feel like the music that I've encountered all my life rarely has long chunks of silence. I want music that respects silence, tiptoes around it, and very, very rarely intrudes upon it. I want those intrusions to be perfect as well. Does anything come to mind? [more inside]
posted by neil pierce on Oct 1, 2014 - 55 answers

What is that electronic noise in my audio system?

I'm hearing some odd noise in my office audio system and I'd like an opinion on what it could be. It appeared right after I replaced three old Shure SCM810 mixers with new versions of the same model. They are usually soft, as heard in this short clip here) but the occasionally sound much louder and become quite noticeable. It reminds me of the interference from Blackberry devices but it's clearly different. Could this be interference from some other device or is something else going on here? Thanks in advance.
posted by Jamesonian on Mar 25, 2014 - 4 answers

Looking for Data Center headphones

I work in a data center, and when amongst the racks the noise is pretty tremendous - gotta lean in towards the person you're talking to just to hear them, ear plugs are a must for any long-term work if you don't have other coverage. So I'm looking for good headphones in the 100-150 dollar range that have either active or very effective passive noise cancellation/reduction. The restriction - no earbuds, I hate 'em. Over-ear cans are the way to go. The Sennheiser 280 is a classic standby, but I can't find any specifics on how much white-noise type sound they block. The 429/439s look pretty swank as well, but once again, can't find any details beyond nebulous claims of 'sound isolation'. Anyone in a similar noise environment have recommendations?
posted by FatherDagon on Jan 14, 2014 - 12 answers

Help me understand the difference between 28dB, 38dB and 48dB.

Help me understand the difference between 28dB, 38dB and 48dB. I'm thinking about buying a fridge, and the fridges I'm considering have noise levels ranging from 28dB to 47dB (according to the latest fridge assessment in Choice). Fridges with a 28dB noise level rating are too expensive for me, though, so I'm trying to find something I can afford but which won't annoy me too much (I'm sensitive to the noise of a buzzing fridge). What I can afford tends to be somewhere in the mid-30s dB range. But it's no use going into a noisy showroom and trying to properly gauge how a fridge will sound in my quiet home. So I'm wondering if there's a way I can test these different noise levels at home before I buy, to see what's the difference.
posted by paleyellowwithorange on Nov 21, 2013 - 9 answers

Any audio equivalent of "extract a person or object using Photoshop"?

I have a sound recording that ideally I would like to remove the background sound from. My recording has unfortunately captured the unwanted sound of an episode of Doctor Who being played from a TV in the background. Is there a way to filter that out? [more inside]
posted by polymodus on Nov 19, 2013 - 12 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

Fixing unwanted cpu noise with audio interface. Please help!

Please help me get rid of frustrating audio interface noise! I have a new pc and a presonus firestudio mobile audio interface. When I plug in the firestudio via firewire there is a pulsating sound and some buzzing sound. [more inside]
posted by niruniru on Nov 30, 2012 - 10 answers

Soon to be a major motion picutre.

How do I turn a noisy low volume DVD video into a flash movie? [more inside]
posted by Obscure Reference on Jun 3, 2010 - 9 answers

free sonics

What sort of free online resources are there for quality audio samples? [more inside]
posted by philip-random on May 27, 2009 - 6 answers

How can I make a book that sings?

How can I make a book with sounds for a baby? [more inside]
posted by gwpcasey on May 15, 2009 - 4 answers

Lite Rock, Less Talk? I'd like neither, please.

(Electronics|Stereo)filter: What is causing this infuriating noise in my preamp and how do I fix it? Links to sound files and long list of symptoms in extended. [more inside]
posted by strangecargo on Jan 15, 2009 - 6 answers

Hmmmmmmmmmmmmmmmmmmmmmmm

I seem to be getting a regular ground hum-type noise when I record onto my Macbook. [more inside]
posted by vernondalhart on Aug 7, 2008 - 16 answers

How do I stop the noise from my motherboard coming through my speakers?

I have an old bose acoustic wave radio serving as my PC speakers. Powered but not connected to the computer the speakers produce a gentle hissing. When plugged in (via a 3.5mm to RCA cable) I hear noisy static -- not pure white noise, far more annoying -- and an intermittent whine that changes pitch depending on what's going on in the computer. For example, if the processor is under greater than 30% load all the noises go away. This does not happen with headphones so I think it is some combination of noise in the computer circuits and the amp built into the radio. My question is how do I make it stop? [more inside]
posted by Grod on Feb 16, 2008 - 11 answers

That awful noise.

How do I tackle feedback with a piezo pickup on a very small instrument (ukulele), running it through guitar amps or PA systems? [more inside]
posted by tmcw on Oct 4, 2007 - 12 answers

Removing video cross-feed from the audio mix

At a recent lecture, I taped from the soundboard & from some microphones. I meant to record these to separate channels, but I accidentally left it in low quality mode - mono, 22khz. It sounds like video got thrown into the mix. Can I salvage the audio? [more inside]
posted by Pronoiac on Jul 15, 2007 - 9 answers

Compressing Dolphin vocalizations and Boat noise?

Hi there, I am doing an honours project on the effects of boat noise on dolphin communication and my supervisor had this idea of using compression to analyse this. He basically suggested that we record dolphin vocalizations in the presence and absence of boat noise, and then compress the files and determine which compresses more (dolphin sounds with the boat noise, or dolphin sounds without the boat noise). His thinking was that less complex sounds should compress less...so he thinks that boat noise will compress less than dolphin vocalizations. Thus, if dolphin vocalizations happen to compress more in the presence of boat noise than they do without the boat noise...this would sort of imply they are "losing information" so to speak. Does this make sense? [more inside]
posted by Racergirl on Jun 25, 2007 - 15 answers

Which flash-based, non-iPod audio players have the lowest self-noise (lowest noise floor)?

Which Flash-based, non-iPod audio players have the lowest levels of self-noise (lowest noise floors)? [more inside]
posted by lorimer on Apr 13, 2007 - 5 answers

Get this Mother^$(*ing Thump out of my Mother$*(#ing car!

Very strange electrical noise getting into radio on newly imported 1997 JDM Toyota Tercel hatchback. Radio replacement is imminent, but there's [more inside]
posted by toxic on Aug 29, 2006 - 5 answers

Can someone point me towards a GUI noise generator for the mac?

Can someone point me towards a GUI noise generator for the mac? [more inside]
posted by snarfodox on Sep 1, 2005 - 5 answers

How can I make my stereo quieter?

How can I make my stereo quieter? [MI] [more inside]
posted by bcwinters on Nov 15, 2004 - 14 answers

Shoot them with silence.

My recent experience at work has led me to wonder whether there is any sort of personal noise cancellation gun? I envision a device or appliance that you can point at someone obnoxious to negate them using noise cancellation technology.
posted by mert on Aug 19, 2004 - 10 answers

How can I make mp3s meant to lead into each other actually lead into each other without pausing first?

Ripping a CD that has tracks that lead into each other and then converting to MP3 has presented me with a problem. When I try to play the MP3s back in order there's a slight stagger when the next track starts (not a crossfade or optional pause), where on the audio CD the transition would not be noticeable. I'd like to either eliminate this error and keep the individual MP3s or rip the CD as one big audio file and convert that to one big MP3. Advice? [specs inside] [more inside]
posted by PinkStainlessTail on Jun 26, 2004 - 10 answers

Home recording studio questions

Home recording studio questions: (1) What to do about sound source with a noise problem (sounds like a bad ground loop) and (2) building some approximation of an isolation booth. [more inside] [more inside]
posted by weston on Jan 1, 2004 - 6 answers

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