I have a mono track. I transform it into stereo using Utility —> Gain —> Mono -> Stereo. Pretty easy. Then I choose an plugin that works in MS mode. But when I try to boost a volume level of Sides — I get no result, but when I decrease a level of Mid — it decreases the sound of whole audio. So my audio file doesn’t have Sides. How can I get these Sides into it?


I'm afraid converting your mono signal into stereo format doesn't add any stereo information, it just places everything in the centre of the stereo image. The Sides channel is about stereo position. If everything is centre, Sides information is zero.

  • True, the thing is that I need to boost Sides. So how do I add that information to Mono source? – Eugen Eray Aug 27 '18 at 3:52
  • 1
    A mono source simply doesn't have any side information, it's a single source; essentially 'all mid & no side'. – Tetsujin Aug 27 '18 at 7:25
  • Exactly, you would need to record a stereo source to have a stereo image. What you're asking is sort of like "how can add colour to a black and white image" – Some_Guy Aug 27 '18 at 17:55
  • You're asking to boost something that isn't there! Zero doubled is still zero. – Laurence Payne Aug 27 '18 at 21:45

Guide: How to add sides to mono file?

Easy! Add a stereo reverb plug-in to a mono track with mono –> stereo setting. After this you can use MS equalizers, or use Center plugin by Waves to boost sides as I did.

  • And did anything useful result? – Laurence Payne Sep 1 '18 at 9:14
  • @LaurencePayne - I suspect yes, given that s/he answered his/her own question. – Dekkadeci Sep 1 '18 at 14:15

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