Hiss

Hey I have some audio where there is some hiss noise. I was wondering if there where any native effects in avid that would be good to help out on that or if its only with a 3rd party plugin I can do this with?

Find the frequency of the hiss with a multiband EQ plug in. Suggested method would be to maximize the gain on one of the bands with a very narrow "Q" (very tall thin curve.) move that band slowly through the frequency till you can locate the value where the hiss is loudest. Then pull the bands gain value down into the negative to reduce the hiss. Widen the curve to find the sweet spot between hiss reduction and distorting your audio. (I find accurately locating the hiss by making it louder much easier than trying to hear the hiss reducing.)

Hiss

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I've done what Andrew has suggested before just to take a bit off the sibilance rather than remove hiss. But Pat is right in that it depends on what type of noise is it. I've dealt with white noise over that all important first 4KHz when dealing with dialogue using Audition - it's ok as long as you don't go overboard. It can take it down for you a but as Pat says it's a battle and a compromise at best.

If you are going to use Audition (has various noise removing functions) then make sure you select the check box that allows you to listen to noise being removed (one function has that in Audition v3 - not sure how the later versions work). This is where you will hear how much of your audio is being removed. Then it's a case picking a compromise that you're happy with.

I use Sony (now Magix) Spectralayers for doing things like this. It's possble to get a surprisingly clean dialogue out of white noise. However, I am not going to recommend Spectralayers as it has a rather high learning curve. Izotope RX 6 is easier to use (and if I had to replace Spectralayers today, I'd go with Izotope). Note that even in their lowest end product, there is a tool for pulling dialogue out of noisy backgrounds like AC. I'm pretty sure they have a demo mode. It's pretty inexpensive and you may get better results than playing with the EQ, especially if the hiss is wide band.

The Highlander Statistics Society (HiSS) aims to bring together students who are interested in statistics across various disciplines. The club was founded in Spring 2010 and has been a consistent source of assistance and opportunity for undergraduates. HiSS works to promote academic achievement by fostering a supportive environment where students can learn and collaborate together. Club activities include R and Python coding workshops, social events, community service, and participation in the annual Datafest competition. For more information visit highlanderlink.ucr.edu/hiss.

I made a board with the TPA3110D2, and it presents a high level of constant white noise hiss. If I short the input to GND, the noise disappears, but I'm not sure what to do to reduce the noise level. I've tried the board connecting it to a motherboard, and supplying it power from the same source. If the power comes from a different adapter than the motherboard, the noise is significantly reduced. The gain is set to 20dB

I recently got a new Kemper after a lot of deliberating! Absolutely loving it but one thing that is annoying me is this problem with hiss i cant seem to get rid of. I've attached a recording of it, you'll notice it around the 4/5k region and this is with the noise gate on the Kemper all the way up to 7. it happens when Im playing straight into headphones and when recording.

It happens for both my strat and tele - I've taken my guitars to a friend who has a kemper and it doesnt happen when I'm using his. Also Ive taken my Kemper around to another friends and used his tele on it - no hiss! Starting to think it might have something to do with the room I'm working in but it still happens when no lights are on?? Im dumbfounded and would appreciate any help as it is really getting in the way of me getting the most out of my kemper. Thanks!

Thanks guys, so when the noise gate is at 0 you can hear the hiss. When i put it up to 7ish it gets rid of the hiss but when i start playing the hiss comes through the audio. Cables I've tried a few and the problem still persists. I've actually just plugged my guitar into my AC15 Amp which i hadn't done and I get the same hiss so I'm pretty certain now its something to do with my new flat. Just tried switching off the refrigerator - not that either!

Hiss is generally made of all frequencies. So the filter tries to remove your whole show. There is an adjustment to help that, but all it does is stop noise removal during voices or music. This usually give you hissy voices over silent background.

People seem to have trouble with step 7. All I did was turn on the envelope tool and reduce the volume of the original track so that the peaks (visually) matched the peaks on the second track which was created using the other steps. then mixed the two and presto, hiss reduced sound!

I opened a song a heard a low hiss. I checked the tracks and some of the tracks were showing low level volume on the VU. See picture. I created new tracks and brought file over to the new track which corrected the problem for a minute and then the hiss came back. Thoughts?

Hello,

I experience a quite noticeable hiss from my A50+ when i listen to rather quient parts of music independent of the source (almost no hiss if no music at the input- guess there is a treshold). Any idea whats the main cause of that and how I could fix it - power supply, amp hardware (e.g. decoupling capacitors) or anything I could maybe fix via the ACP workbench (i use EQ)?

I have the version of the A50+ with the TPA3116 configuration.

Would be great if you guys maybe have an idea where to look first.

I have an problem. I played for years with hx stomp live, connecting it with a poweramp, and running it through a cab. Had no problems. But now i bought a Marshall JVM410h and wanted to connect it with hx stomp with 4cbl method. And i get a exesive hiss. Even when i connect it just in front of the amp. But when i put it in analog bypass the hissing stops. How to solve this.

Yes. When i play, you cant hear the hissing, only when theres silence. The levels are the same, i can even turn the hx volume all the way down, and it still hisses. Even if i set ot to dsp bypass it hisses.

The problem is HX Stomp ... my unit I sold, made a ot of hiss in every Fx loop amp in a channel with gain. Of course other units did not make that hiss. You will hear do this, or do that, there is nothing to do, just conecting Hx stomp to a Fx loop in an amp that has a gain channel will make more hiss than most of known pedals that's it ..... Also a M5 or M9 from Line 6 .... I don't know if Line 6 have fixed this with the new units ... ff782bc1db