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A
alxge56
Participating Frequently
October 12, 2020
Question

unable remove back ground noise from cassette tape due to poor recording

  • October 12, 2020
  • 1 reply
  • 501 views

Tried noise reduction process and filters no improvement please help 

attached file

 

what could be best method 

 

appreciate your help as I am new user 

 

thanking you

This topic has been closed for replies.

1 reply

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
October 12, 2020

There's a lot of noise, but by using the first part as a noise print and setting the FFT in NR to its maximum setting I got rid of a lot of it by being fairly aggressive with the slider settings. There's a second, different, noise in there as well at the end, and by resampling this and making a second pass, that reduces as well. Often NR works best with multiple passes, taking off a little each time. I've added my quick attempt at this next to yours, to give you some sort of an idea...

A
alxge56Author
Participating Frequently
October 13, 2020

Thank you so much steve got improvemnts done not 100 % yet.

The following steps I did; 

1. Used NR with max FFT 3 times and amplification.

2. Used Hiss Reduction with Frequency analysis.

3. Applied Parametric filters to reduce heavy mic noise

I just did the steps by commsense and trails as I am so new to audition CC

Not sure is step 2 or 3 is required as it made the voice pitch low

Please advice if you can as I have 1000 of cassetes to convert and few bad recording has this noise

 

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
October 13, 2020

Personally I wouldn't bother with 2 & 3 - the quality won't improve significantly, and ultimately, if they're like that, they'll only end up as being transcription quality anyway. If you investigate NR a bit further, you'll discover that the 'reduction' line can be clicked on and points added to it, which can be dragged up and down, and this will enable you to make the NR more or less effective at different frequencies - with care, this will save you having to attempt to use hiss reduction (never very effective anyway), at least. If you really feel that you need to EQ the files, then you might want to try doing this before the NR, because if you do it afterwards, what you've already achieved will be altered by the amount of EQ you've added (obvious if you think about it for a moment...) and is likely to yield a less acceptable result.

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