please help me , it’s already late and i wanna grow my youtube , please help me to fix this problem , all files are sounding good and great on audacity but after exxporting there are cracks not sounding good avenif i did nothing with any file after saving all outcomes are cracked , how can i make song then ? after exporting i am getting bad files and i set the amplify to -0.1 but still problem happens same cracked file , help me audacity plz
please someone help me plz , i am in tension
my pc window 7 and audacity 333 version please help me
If you amplify to -1dB or -2dB before exporting as mp3,
that could prevent the mp3 having crackly clipping.[
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Are you mixing two or more tracks? Mixing is done by summation. It pushes-up the volume and it can easily push it into clipping. (There are a couple of ways to handle that.)
MP3 is lossy compression and depending on the settings it can damage sound quality. To test that, try exporting as a WAV file.
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thank you somuch Sir , I am goona try right now , thank you again for guidance 
Thank you somuch for guidance Sir , no i am not mixing files but a yt teacher tought a technique to make duplicate files and then to add effects so i am doing that and merging all track to one at last , but i think my this two guidance must work , thank you for advice teachers , may i have more guidance to fix issue then ? i am goona try 1st comment method too , thank u teachers ji 
i tried it and i got less cracks of that file but the sound quality sounds much more better and professional on audacity comparing to exported file , May i have more guidance that how can i get that best professional quality after exporting files ? and every time i exported a file when i trun on pc again after some time it always say that ’ your last exported file is not saved properly , " plz guide me to fix this issue on audacity 333 sir
May i have this guidance please how to fix this issue ??? plz , sound quality sounds professional in audacity before exporting i want that professional quality sound after exporting too , how can i achieve that please help me
Have you tried a WAV file? MP3 isn’t likely the problem but it would be good to know if it’s also happening with WAV files.
I’m going to assume it’s clipping (overload distortion) and I’ll give you a little procedure to take care of that.
Digital files are normally limited to 0dB and they will clip/distort if you “try” to go over. But Audacity uses floating-point internally and floating point won’t clip. You’ll only clip your DAC (and hear distortion) if you play it at “full digital volume”. So the clipping may not show-up until you export.
1. Make sure you are configured to Show Clipping. That may not be necessary, but it may confirm the problem.
If you “see red”, run the Amplify or Normalize effect (with the defaults). That may be all that’s needed to solve your problem.
2. Export (temporarily) as floating-point WAV (which, again, can go over 0dB without clipping).
3. Re-open the floating-point WAV and run Amplify or Normalize which will bring-down the volume if necessary.
4. Export to MP3 or your desired format and it should be OK (if the problem was clipping.)
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thank you so much SIR , I AM GOONA TRY IT TONIGHT , 
should be very greatful if it works out , yes Sir I am facing same problems with wave files too , thank you for precious guidances Teachers