2. digital
  3. 180140-46419

Using Spek to see if an audio file is really lossless after doing noise reduction.

I digitized several vinyl LP’s and couldn’t figure out why some FLAC files do not pass the Spek test for lossless. Then I saw that if I do noise reduction based on the vinyl noise between tracks, the Khz of the whole file drops and it looks like it’s not lossless anymore. Do I have to stop getting rid of vinyl noise to have a lossless file? The file sounds cleaner with the noise out but then it looks like an MP3 on Spek!

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Showing 1 response by nonamesleft4me

nonamesleft4me
29 posts
 

I am a semi-professional audio restoration technician. I have for close to two decades used the following programs-

iZotopeRx Advanced- unparalleled at removing static and impulsive disturbances, some quite gross in nature.

Pristine Sounds 2005- great for spot-clean up

Sound Forge- best all-round digital audio editor lets me perform magic on audio

Acoustica Advanced- has a "remix" function that lets me dodge around some problems.

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