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Questions tagged [hum]

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2 votes
2 answers
313 views

Possible ground loop when recording audio via phantom power into laptop through old audio interface

I recently attempted to start recording with my old audio interface (Audio Kontrol 1) in my new laptop (Windows 10), and got a horrible high-pitched metallic noise (specifically 3 distinct peaks ...
1 vote
3 answers
260 views

Electrical hum?

The Issue Getting a hum in audio recording (ACX) When I move the mic around in the room it gets stronger or weaker in certain areas (where I know a power cable runs to a plug or through the wall) I ...
-1 votes
1 answer
1k views

Weird hum with Dynamic Microphones

I have a new Rode PodMic (or Procaster) plugged into a Behringer U-Phoria UMC204HD and I experienced a very weird hum problem. If I place the mic on different locations / angles, a very weird hum ...
0 votes
2 answers
8k views

Condensor mic stops buzzing completely after I touch the grill. Why?

I've been trying to diagnose why my condenser mic keeps buzzing for ages. I'm running it through an audio interface, but it still had a noisey 'buzz' that sounds like a very common electric hum (near ...
2 votes
2 answers
656 views

USB Isolators to eliminate ground loop?

I believe I have an issue with a ground loop. I'm looking at some USB Isolators. I found this, Solarbotics model for $48 Would this eliminate ground loop? I have both my both two outputs going to my ...
0 votes
2 answers
44 views

What causes voltage potential to alternate in a ground loop?

I know what a ground loop is and what it is defined as and how to avoid them. I am wondering what causes the current between the two ground points to alternate. Is it the ac power to the device or ...
3 votes
2 answers
47 views

Is it possible to automate removal of hum and distortion in audio files?

Is it possible to automate the elimination of hum and/or distortion in digital audio files? In other words, feed a file to a software that analyzes it and judges what is hum and/or, removes it, and ...
0 votes
1 answer
189 views

Why does the tonearm cable from my turntable pick up noise?

I have recently pick up an old turntable (my detailed setup goes below) and facing the background noise issue. I think it is something being picked up by my tonearm cable because when I move it or ...
0 votes
1 answer
798 views

How to determine cause of white noise with new microphone/preamp?

I've been meaning to start making videos of covers of songs with vocals and acoustic guitar, so i purchased a Shure M58 microphone with a blue icicle XLR-USB. My Laptop is a macbookpro with touchbar ...
3 votes
3 answers
1k views

Noise / Ground Loop problem with Devine BM 400 Microphone

I recently purchased a Devine BM 400 Condenser Mic, but when plugging it in (XLR -> Audio Interface -> USB) I get a hum at around 50Hz, and some more peaks at 155, 2670, 365, and so on, with smaller ...
3 votes
1 answer
2k views

Recording a headphone output using USB sound card microphone input

So the setup that I have is that I have a device that traditionally outputs sound from a speaker but also includes a single headphone output via 1/4" jack that, when plugged in, turns off the speaker. ...
0 votes
6 answers
2k views

Can not remove hiss/hum

Okay for quite some time now I have had a problem with hiss, or hum or whatever you want to call it. My father used to record the family in our home studio. Because of this he has many microphones ...
0 votes
1 answer
3k views

How to fix low frequency hum in a Yamaha silent guitar powered by adapter?

My Yamaha silent guitar SLG-100 Steel string with undersaddle acoustic guitar pickup has serious hum when a 9V power adapter is used. No noise if using the 9V battery to power the guitar. I play ...
4 votes
3 answers
239 views

Using hum to find edit points - will it work with high quality recordings?

Interesting article on using 'hum' to find edit points in audio recordings. Not sure if this is useful evidence in all contexts but a great way to see how sound has an 'subliminal' presence and effect ...
1 vote
0 answers
224 views

Microphone hum when plugged into interface

I have 2 brand new Lewitt 550 LCT microphones plugged into the RME Fireface UC audio interface using XLR cables. The interface is plugged into a MacBook via USB cable. There is a constant humming ...
1 vote
2 answers
101 views

Difference between audio quality

I have two speech audios. One of them is very sharp and crisp audio . While the other has some humming with the speech. I am not talking about the static humm. The speech itself has a humming effect. ...
3 votes
1 answer
393 views

Source of ground looping? Different ground for USB and laptop's line out?

I have a Behringer UCA202 (no-external power) USB Interface (DAC): Bus 006 Device 003: ID 08bb:2902 Texas Instruments Japan PCM2902 Audio Codec and an Intel audio controller which is built into ...
4 votes
2 answers
4k views

Can I use the RCA cable to ground the turntable to the amplifier?

I have a Technics SL-3310 turntable which I connect to the phono input of my amplifier. The turntable has a short RCA cable coming out of it. The turntable and amplifier are far apart from each other,...
0 votes
2 answers
86 views

Power Conditioner: Is it worth investing a little more?

Since my studio gear has gotten some additions (new synth etc.) I'm running into power issues. First of all I get a hint of 6,5kHz (+harmonics) on the instrument input of my RME Fireface UC. Second I'...
1 vote
0 answers
51 views

Blue Yeti Humming sound [duplicate]

Ok here's the issue So I plugged my new Blue Yeti into my bro's computer and it had absolutely no background noise at all and it sounded absolutely amazing! (he has a 800 watt power supply) and when I ...
0 votes
4 answers
330 views

96 KHz EQ Plugin

I'm mastering some 96KHz material that has a nasty hum running around 32KHz, which mostly I can only hear when playing back at half speed or scrubbing. As a last step of the mastering process, I'm ...
1 vote
4 answers
715 views

Hum/noise near electrical devices on the set

I soon have a filmproject and a have a problem with the equipment i have rented. Now, when i'm to close to electrical devices like a laptop, tv or even the ceiling lights, i get an electrical hum. I ...
0 votes
5 answers
2k views

Noise Removal, Self noise Hum

Hey, does anybody have any suggestions for removing the low level hum of a microphone? It's noticeable enough to be heard across cuts. I've tried removing it with Izotope but I'm not confident that ...