Select your entire audio clip select all of the audio that you want that background noise removed.
How to get rid of audio floor noise.
Open your audio file in audition and click on effects noise reduction restoration hiss reduction.
Which can easily remove noise from many audio sources.
To reduce background noise click effects noise reduction restoration noise reduction.
Isolate the noise by starting at the mic and short circuiting the input.
Obviously be careful to prevent damage to the op amp.
Check output hiss only to hear hiss and reduce with slider controls.
Try it out with a free trial.
Treshold sets the decible limit as to were to cut.
You can also set the db it wil go to.
3 isolate the parts of the audio recording that you want to get rid of and then use the command t function to actually cut them out.
So if you set it to say 30db negative all sound will be cut if it reaches below 30db.
A use the command t function to cut the first offending part.
Sample your hiss audio and capture noise floor in the dialog box.
But multiple gain stages followed by compression further down the line can boost this noise floor making it obvious.
Zooming in on the audio file in the smart controls will allow you to see all of the little noises in the wave format.
Put a rubber floor mat under machinery to absorb noise.
If your nas box is creating a lot of vibration and noise here are some ways to get rid of it or at least tone it down the best you can.
Click get noise profile and the box will disappear.
Unless i missed it i don t see the spec of your transformer.
Rubber floor mats help absorb and reduce noise from machines in your home such as televisions stereo systems washers dryers and dishwashers.
Use felt tape on the drive trays the drive tray is that bracket that you attach directly to the hard drives so that you can then slide them easily in and out of their slots in your nas.
Move closer to the sound card input to try to determine where you are picking up the noise.
Go to select and then click all.
So right off the bat you are that much closer to the noise floor.