Although this is a rare occurrence with modern day hardware. It is a great tool, and the price is right. Produce professional high-quality audio for broadcasts, podcasts, streams and live recordings with the Q9U Broadcast Dynamic Microphone. Switching “back” to VGA eliminated the hum. After weeks or reading and trying numerous things, my solution was to wrap the microphone cord in lamp cord (silver and copper wires). How To Treat A Recording That Has Background Noise. (See my shootout and review of podcast/broadcast microphone boom arms.) The shockmount bought me 20dB of isolation; the hum dropped to -64dB. Another thing to note is that if your cable is damaged it way pick up sound pollution which will affect the sound quality, so regularly check that your cables aren’t damaged. I recently had a bad hum problem with a particular USB mic. I have an audio technica ATR2500-USB microphone for doing voice over auditions. Just got a TLM 193. You can buy one which suites with your budget. One thing I can add to the mix, is to be mindful of backup power supplies and cheap surge protectors. Try turning your microphones gain down and see if the problem consists. In fact, I only use high-grade surge protection and no battery backup box. You could also try downloading a free digital audio workstation such as Audacity and see if the problem consists. Great insight! Should my microphone be making a humming noise? The Shure SM7B Microphone is a microphone I have seen plenty of times in professional recording studios while also being utilised at home for garage recording setups. Doh! It’s a plug ‘n play USB Condenser microphone, meaning that in order to be used you simply need to connect it to your PC and voila, that’s it. Another option is to mount the mic on a heavy floor stand. The culprit is probably the computer itself, or a disk drive, or a stereo component with a fan. Thank you for helping me out! I replaced the mic’s hard mount with an elastic shockmount. I m staying on 7th floor and my mic stand is heavy steel based. I have a hum in my recordings. There are different kinds of USB mics available. Voila the hum is gone. Sometimes it can be the digital audio workstation that is making the noise, so make sure to check your software isn’t causing the problem. After reading your article, I figured out an incredibly simple fix for my bass hum issue. It happened to me as well. This will often do a decent job of removing excess noise made by your studio microphone. Even monitors or electronic devices that have low-quality electronic shielding can produce a humming sound and affect your recordings. For XLR microphone, if you are you using a preamplifier or an audio interface, some preamps and audio interface can produce an unhealthy signal that can cause a buzzing / humming background noise. I tried a different USB mic. As usual, Matt finds a simple solution to a mysterious problem. Try checking all your cables are firmly in place or swapping them with another cable to see if the problem still continues. If you can’t turn it off, try to keep your microphone at a far away distance, as furthest as possible when you’re recording. While doing the above made the hum quieter, it still did not completely fix it. In other words, decoupling the disk drive from the desktop worked better at suppressing hum than putting the mic into a shockmount. By the way, the RTA screenshots above are from BlueCat Software’s freeware FreqAnalyst spectrum analyzer plug-in. Then, I put my mic stand on top of it. I just bought a portable sound booth with wonderful padding and a head cover for background noise. It isn’t a viable solution if you want your excellent sounding audio. I had a problem with both a periodic whining sound and thumping using a good quality microphone. For XLR microphone, if you are you using a preamplifier or an audio interface, some preamps and audio interface can produce an unhealthy signal that can cause a buzzing / humming background noise. Finally I took the mic in my hand and sat on bed. Check all the input controls and make sure they aren’t too high. The problem might not be the microphone. When I plug in the universal audio pre-amp and then motu interface, it hums. Then I tried an analog mic through an external ADC. Is your microphone producing a buzzing, hissing or humming noise? If that kills the hum, then there’s something on your desk that’s making the noise your mic is hearing. And I always recommend using a shockmount for the mic as well. So had 100Hz hum. Now, finally, I have silent silence. Sitting on the same surface, three feet away, was a Seagate external USB disk drive, which runs 24×7 as a dedicated backup drive (running the OSX “Time Machine” utility). I truly hope this helps everyone dealing with the frustration I went through. I tested this idea by laying the Seagate external disk drive sideways on three Sorbothane feet; the 100Hz noise heard by the mic dropped by 30dB, well below the threshold of audibility. Seems the him was originating from ceiling fan of the 6th floor flat or probably from the vibrations of the whole apartment. The problem was obvious, once I found it. Hums even worse if you touch the wire mesh. Although this can also interfere with the recording and lower the sound quality. This isn’t ideal if you want to have great sounding audio. Le SM7B de Shure, dont les premières versions (SM7) datent du milieu des années 70, est sans doute le microphone à transducteur dynamique le plus connu du marché. Compra SunFounder USB 2.0 Mini Microphone for Raspberry Pi 4 Model B, Module 3B+, 3B 2 Module B & RPi 1 Model B+/B Laptop Desktop PCs Skype VOIP Voice Recognition Software. 4.4 out of 5 stars 9,072. 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