Unwanted sound, as opposed to "signal", meaning desired sound, as in "signal-to-noise ratio"
12
votes
4answers
288 views
Vuvuzela silencing techniques
Last year's soccer World Cup in South Africa brought about many vuvuzela silencing tools. What are the characteristics of vuvuzela noise that allow it to be silenced? What are some of the common ...
11
votes
5answers
2k views
How do I remove mouse click noise
I am using a mac and I am using screenflow software to do a screencast about how my web application works. During the demo I click on a lot of buttons and links. In my screencast I have this click ...
7
votes
3answers
185 views
Noise removal vs. adding bed noise
I've been recording podcasts and screen casts for a while now. I've always ran all my audio through Audacity and used the noise cancellation to clean up the audio. I've been happy with the results ...
7
votes
4answers
1k views
Sound system noise from lighting system
I'm doing a lot of work in a relatively old theatre this year. The space is part of a church that probably hasn't put any money into maintenance and upgrades for the theatre (except for light bulbs, ...
6
votes
9answers
9k views
6
votes
5answers
462 views
How can I reduce noise with many cables?
I have a home studio with 10 microphones cabled up. These cables all connect from the audio interface to the microphones, and follow generally the same path. I have heard that parallel cables add ...
6
votes
4answers
1k views
How can I clean up my laptop's sound card input?
My Windows XP laptop has a sound card that's integrated with the motherboard.
I've tried doing some recording directly into Audacity using my headset microphone, but I always get an unacceptable ...
6
votes
2answers
910 views
How to eliminate guitar amp hum (software and hardware amps)
There's nothing quite like the sound of a guitar playing into a warm tube amp with the pre turned up high and the post turned down. There's also nothing quite like the hum you get out of one of these ...
5
votes
4answers
160 views
Tips for silently prompting people to not get too close to mics?
In a recent video project I came across some "popping" which I believe was in part due to the person being too close to the mic.
Without verbally prompting them, what would help remind them to keep ...
5
votes
3answers
308 views
Filter applause from videos
I asked this question before on stackoverflow ( http://stackoverflow.com/questions/5299338/filter-applause-from-videos ) and got the hint to ask it here:
I am currently watching a video from
...
5
votes
1answer
125 views
How can I reduce interference with two radio microphones?
(Hopefully not off-topic noob question)
We have a hearing loop set up which uses a Sennheiser collar radio mic and receiver which works pretty well. We recently bought a handheld Sennheiser mic for ...
4
votes
5answers
8k views
How can I get rid of the annoying background hum on a new Yeti Microphone
I recently purchased a Blue Yeti USB microphone for use in recording screencasts.
I am using Screenflow to record with and while the sound is excellent in quality there is a nasty hum in the ...
4
votes
1answer
142 views
Headphone amp sliders are making noise. Worth fixing or not?
I recently replaced my interface (that had two headphone jacks and volume pots) with a new interface that only has one of each. My next move was to pull my 13-year-old Rolls HA-43 headphone amp out of ...
4
votes
2answers
160 views
Questions about simple single-track line-in recording
I'm trying to create a simple recording of my electronic keyboard. It has a 1/4" stereo output, and I've connected that into my computer's microphone/line-in jack. I only have a few questions:
...
4
votes
1answer
979 views
How to get rid of static background hum
I have a very small hum, it's not that audible but it's there and if I crank up the volume it's there and very annoying. The funny part is this: if I put any flesh part of myself on the cord going ...
4
votes
1answer
207 views
What is this incredibly annoying noise?
Hey all,
I've been getting this noise out of my set top box, desktop and laptop audio outs into my mixer. I've also tried using usb soundcards out ($5 from ebay) and they don't eliminate the problem. ...
4
votes
2answers
485 views
Power supply noise in cheap condenser mic: is this normal?
Wanting a microphone that picked up less noise and was more sensitive to soft sounds than the mic built into my laptop, I picked up the cheapest condenser mic I could find on Amazon, the Nady SPC-15 — ...
4
votes
1answer
116 views
Wireless mic problem: Amplitude sounds like it is “jittering” up and down by a few db
We are having a strange problem with our set of Audio Technica 1800 series wireless lavs.
It seems as though the amplitude of the sound is jittering up and down by a few db. It throws the dynamic of ...
3
votes
3answers
106 views
How can I quiet a noisy computer in my home studio?
I have a basic home studio setup with a Macbook, Apogee Duet, Logic, and a few microphones. Most times while recording, the fan on my laptop is spinning furiously; this is a problem when I record ...
3
votes
2answers
49 views
Connecting a microphone to a camera with a 25 foot cable - is it possible?
I've been assigned to document our class's stage play and I'm having trouble with the audio. I only have one shotgun mic (3.5mm output) and I'm planning on putting it on a tripod and leaving it on the ...
3
votes
3answers
3k views
How to eliminate 50 Hz noise from microphone?
Can anyone recommend a good technique on microphone grounding and elimination of 50 Hz noise?
Update
This is a simple headphone mic.
When I touch mic's body the noise is decreased significally.
3
votes
1answer
855 views
Fix for terrible “Hard Drive Noise” Audio Interference?
When recording direct input instrument audio using Ableton, my recording is plagued with a terrible noise interference that sounds like the clicks and movements of my PCs internal Hard Disk drive. ...
3
votes
1answer
422 views
Cooled, soundproof enclosure for a noisy laptop in a bedroom studio?
I recently bought a 2011 Macbook Pro (15") for, among other things, some serious audio in my bedroom studio.
If I open up Pro Tools or Ableton and start working, within 5 minutes the MBP's fans turn ...
2
votes
3answers
266 views
Region editing in arrange, audible clicking at start/end
I'm using Logic Pro 9 as a musician (mainly electric bass parts). However, this may be DAW-agnostic.
When editing, I often would like to move, repeat, and otherwise work on regions that are as ...
2
votes
1answer
472 views
Do audio cable splitters reduce signal quality or add noise?
I'd like to record audio coming out of a DJ mixer that has only one output. So I thought I'd use those 'Y' shaped cable splitter plugs which take the L and R cables as input and output to two. ...
2
votes
1answer
24 views
removing electrical artefact background sounds behind speech
Maybe this is an elementary type of noise, but I find a strange intermittent rattle in a video I am processing
As I don't know any good denomination for it, I would describe it as some kind of ...
2
votes
2answers
625 views
How do I test audio cables?
I have dozens and dozens of cables. XLR, 1/4", a few TRS cables, and some adapters and hybrids. Some are less than a few years old, some are decades old, a few may be older than I am. And every so ...
2
votes
1answer
70 views
Cleaning up large group dialog quickly
I have more experience mixing music than dialog. Every two weeks I have to mix about 2-3 hours of dialog from a room with roughly 30 people and pump it out in half a day. There are six microphones ...
1
vote
1answer
26 views
removing hammering noise behind speech
Rather unfortunate hammering noise presents itself in some footage I am processing, where the source of the sounds may actually be the heating / boiler in the building.
You can hear it here (in the ...
1
vote
1answer
784 views
How do I fix USB Mic Static through a preamp?
I am trying to setup a semi-pro recording area for creating a podcast and I am quite new to audio recording.
I have a KAM C3 (Bottom one on the site) Mic going into an ART Tube MP - Project Series ...
1
vote
0answers
60 views
There is static when I export video where there is none in editing (premiere pro)
The problem is that when I export the video, there is static in the beginning of each clip, which goes away after a little while. It's very prominent when there are a lot of quick cuts. In the longer ...
0
votes
2answers
60 views
What causes the 130-133Hz hum in my KRK VXT6 monitors?
I bought a new pair of KRK VXT6 monitors last week and I think they sound amazing, but upon listening to some songs, I hear a weird noise specifically in the bass.
I decided to analyze the weird ...
0
votes
1answer
369 views
Why does my sound card output a high pitched sometimes oscillating sound or whine?
I've asked four questions now so I'm out of hints. Excuse this question for it's vagueness... Why the hell is my sound card emitting this high pitched squeal when I run it through a mixer with a USB ...
0
votes
2answers
32 views
Software recommendation for cleaning out audio recording
How can I clean up noise from audio recordings?
I recorded on a laptop, using a mike that came with a pair of headsets. It's one person speaking, no instruments or echoes or anything, just one human ...
0
votes
1answer
404 views
How to stop buzzing sound when playing an iPad through car speakers while it's charging? [closed]
I tried plugging my iPad into the AUX port of my car while I was charging it from the cigar lighter port and there was a continuous buzzing sound in the background of the music I was playing. Is there ...
