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Hissing noise My Humax is only a few months old and this evening I noticed a hissing sound in the background - help!

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If it's still under warranty, return it.

Posted on Jun 06, 2014


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How can I reduce white noise / hissing I'm getting over the mic on a Behringer Xenyx 1204 USB setup?


Hi, you didn't say if the mic actually passes sound? The C-1 is a condenser Mic & needs phantom power - switch on the rear of your mixer. If that's no help, what happens if you disconnect the mic, then turn the levels back up? Still hissing or gone? If it's gone then it's the Mic - must use a 3 wire cable, preferably XLR so it gets the phantom power. If the hiss is still there without the Mic then sounds like the mixer is faulty - try some of the other channels..... How loau is the hiss - just in the background or as load as a vocal "one, two" test? A few things to check anyway...... Good Luck!

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Mic not working on toshiba a665 laptop; hisses


Get rid of all possible noise in your recording space. Pick the least noisy area to record in. Turn off any fans, heaters, air conditioners and other nonessential devices. Even an extra laptop or idle gaming console makes noise, so if you're not using it, shut it off. Close the doors and shut the windows. Place your microphone away from any remaining noise sources, including power sources. Don't record next to a window, even if it's closed. Remember that your computer makes noise, too. Even sounds your ear can't hear will become noticeable once you amplify your recording. Finally, turn off any cellphones. GSM buzz can be picked up in your recording, so do not set the phone to vibrate. Turn it completely off. Get as close to the mic as possible. Positioning for tonality and comfort has to be taken into consideration, but beyond that you simply want to get as close as you can. The closer the microphone is to the audio source, the less background noise will show up in the recording. Turning up your source will accomplish a similar effect. Simply speak louder, or if you're recording an electric instrument, turn up the volume. If your levels start clipping, bring the volume down on the mixer. Tweak the EQ. After your audio is recorded, you can often eliminate noticeable buzz or hiss using the equalizer. If your mixer has equalizer presets, try playing with those before you start recording to see what bands you can turn down to diminish noise. If you're mixing digitally, you can record the audio straight in without any EQ and apply one during the editing process. Finding the right equalizer band to mix down is often a process of trial and error. If it's a hissing sound, it's going to be in the higher spectrum. If it's a buzzing sound, it's probably coming from the mid to lower spectrum. A graphic equalizer is a great mechanism to form a valley in the EQ and move it around until the noise is reduced. Use a speech enhancer plugin. Any good mixing program has one; even something as simple as Apple's GarageBand can do the trick. Or, try searching the Internet for a third-party plugin. The speech enhancer will let you apply some quick tone settings to make a speaking voice sound more professional. More importantly, it will give you the option to dial back the more quiet sounds in a recording. This will help isolate the vocal and push everything out. While this type of plug-in is meant for spoken audio, it can be used -- with mixed results -- on any kind of audio. Know your noise gate. The noise gate is your key to absolutely silent pauses and crystal clean audio. The gate takes out all noises under a certain level and turns them down however much you tell it to. If you find that your desirable audio never gets any quieter than -20dB, you can tell your noise gate to turn the recording down any time audio is not exceeding -25dB. You can even tell it how much to turn it down: all the way for a clean recording, or maybe just a little to allow some natural hiss in. The noise gate appears easy enough on the outside, but can be a little complicated to master. If your settings are too high, you will clip out parts of your recording, making it obnoxiously unlistenable

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1 Answer

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loose hose clamps hole in one of the vac lines it seems to only hiss when its under pressure

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1 Answer

Background noise


no problem with..record some part of the start with no voice just a 5-10 seconds remain quite...just kept running the recording...then start and record your voice after which install AudaCITY Software and drag your audio file in it and then select the first 5-19 seconds recording which was just the background kept recording selecting the part go to Effects -> Noise Removal then press Get Profile,

after which again select all the track by: Control + A key on PC and then go to Effects Noise Removal move the bar to the left side...and press ok/continue key....now your track is very much clean by the noise...and

for sound loudness select all the track and go to Effects -> Normalize then again Effects -> Amplify put the slider value to -0.1 of what the value is shown.

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Sanyo 25" 10yr old model


is the sound like hissing or like a spark something like?hissing can caused by leaking of high voltage that is dangerous and sould be fix right away

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1 Answer

Even at full volume the sound is poor and HUMAX 9300TPVR


a few thoughts...

the humax remote vol is at the top yes?
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Oct 20, 2009 | Televison & Video

1 Answer

6 mnths old Alto L8 Mixing desk developed hiss on channel 1 only.


The slider or the amps for channel 1 may have a problem.

Sliders do wear out.

Try shorting channel 1 input and see if that affects the noise. A hissing noise is probably a bad preamp chip. That is shop work at a repair facility.

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1 Answer

Electrical noise


If the noise from the compressor sounds like a humming followed by a click, the compressor is "short cycling". Could be either the compressor relay or the compressor itself is bad. Not sure on the hissing noise. Could be just a loose panel that needs to be tightened or adjusted.

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