1
vote
Accepted
What causes voltage potential to alternate in a ground loop?
Thing is, that if two points in a circuit are actually "ground" (i.e. 0V potential) then by definition, no current can flow between these two points.
When current does flow between two arbitrary ...
- 8,548
1
vote
Is it possible to automate removal of hum and distortion in audio files?
Distortion in the form of clipping would be very difficult to remove: the waveform has been altered, and information on the missing part of the waveform has been lost.
- 1,568
1
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Is it possible to automate removal of hum and distortion in audio files?
Depends on what sort of result you want. Sure you can analyze whether a file contains more than a reasonable amount of 50Hz or 60Hz and you can notch that out, but the problem with this approach is ...
- 8,548
1
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How to fix low frequency hum in a Yamaha silent guitar powered by adapter?
Could be any of the three (or most likely a combination):
power supply
UST (under saddle transducer pickup)
preamp circuitry
You already tried out different power supplies, but still that's where I'...
- 3,712
1
vote
Difference between audio quality
It sound like the good version has simply been cleaned up using equalization.
The humming you speak of is just bad low frequency 'rumble'. It's a bad recording, but in the cleaner version somebody ...
- 2,266
1
vote
Can not remove hiss/hum
Sounds like you could benefit from a pre-amp of some sort to between the microphone and your camera. Your camera most likely takes a line level signal into the Aux jack. Here is an example of one way ...
1
vote
Can not remove hiss/hum
What type of cables are you using to connect your audio interface into your camera? Does it support TRS? TRS cables generally do a great job of eliminating noise. The issue could range from gain ...
- 56
1
vote
Recording a headphone output using USB sound card microphone input
There are a few things that are causing problems for you here. Mainly that your source is designed to drive a set of headphones and your load (sound card) is designed to accept an electret microphone ...
- 161
1
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Noise / Ground Loop problem with Devine BM 400 Microphone
1) - Make sure everything is plugged in to the same circuit. You can get a 60-cycle hum from having amps on one circuit and the board on another.
2) - Does the interface have an option for DC power ...
1
vote
Using hum to find edit points - will it work with high quality recordings?
This technique has nothing to do with "removing" hum from recordings - it's all about using the very slight - but trackable - variations in mains frequency (50Hz or 60Hz depending on where you are) - ...
- 8,548
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