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3 votes

Electrical hum?

There are two ways to tackle this - the proper way & the easy way. The proper way is to identify & isolate your source of interference. 'Hum' is going to be something at mains frequency. You'...
Tetsujin's user avatar
  • 8,661
1 vote

Electrical hum?

When using a dynamic mic, switch off phantom power. It is not supposed to do anything with modern microphones, but the generation of the phantom power can produce noise. Instead of trying different ...
user107063's user avatar
1 vote

Weird hum with Dynamic Microphones

I owned 2 of Rode PodMic and I had the same issue with 2 of them. I tested with Zoom F8, Zoom H6 recorders and Presonus Quantum Audio Interface. I suspicied from the cable and connectors first but ...
Eren Donmez's user avatar
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 ...
Mark's user avatar
  • 8,870
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.
Hobbes's user avatar
  • 1,613
1 vote

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 ...
Mark's user avatar
  • 8,870
1 vote

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'...
Michael Hansen Buur's user avatar
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 ...
n00dles's user avatar
  • 2,564
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 ...
Mike Rinehart's user avatar
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 ...
George Byers's user avatar
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 ...
Avid Pro Tool's user avatar
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) - ...
Mark's user avatar
  • 8,870

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