To optimise the performance of audacity s noise reduction it is best to use a noise sample near the beginning of the tape rather than the end.
Change noise floor in audacity.
Use a limiter to keep your db range locked in.
My secret audacity recipe for great audio compressors 50.
Is there any way to increase the volume of my noise floor through audacity to exactly 60 db.
Click noise reduction tab.
I m missing something here.
Under the effect tab you will find noise reduction command under the drop menu.
Using a sample late in.
Try to keep it between 15 to 18 db.
Examining repeated blocks of the same noise will not change the statistics.
There s a window below that get noise profile button i selected a silent section of a published audio book and the noise reduction db is 12.
Try these settings to play around with.
The benefit of look ahead is that sudden peaks do not pass through the effect before the gain has had time to change.
It will eliminate the noise while at the same time maintaining the audio integrity.
Artifacts can happen if the noise floor is higher than was estimated.
Then i selected the silent parts of an audio sample that i sent you guys that had a bad noise floor problem and that number is also 12.
Attack time 1 5 to 1 9 secs.
The further left you move the threshold bar the more background noise you hear.
Noise reduction is the constant challenge for the recording engineer as perhaps the most significant aspect of improving recording quality following the advent of realistically priced recording hardware and free software like audacity anyone now can be their own recording engineer and grapple with the same problems.
Adobe audition has its fantastic multiband compressor but did you know you can get fantastic audio compression from a free plugin to audacity.
Step 2 reduce the noise.
Threshold 15 db to 18db.
Click get noise profile this audacity feature will determine the type of noise in your audio.
The compressor adjusts the gain on audio below this background level so as to prevent it being unduly amplified in processing.
Occasionally my noise floor will be perfect just below 60 and i will get a full pass on the test but i m recording in the exact same room with the exact same settings as my too low tests so i don t know why there is a discrepancy.
