Audio Tempo Change?

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m_sparrow23@yahoo.co
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2011/01/01 16:30:38 (permalink)

Audio Tempo Change?

I have almost completed my latest project, but now I realized that its a bit on the fast side.  I have recorded some midi tracks as well as audio tracks.  If I change the tempo to what I want it to be the midi tracks adjust accordingly, however the audio tracks now become out of timing with the corresponding midi tracks.  Is there a procedure to correct the audio tracks to my corrected tempo settings, and if so what would that procedure be?  Thank you!
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    daveny5
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    Re:Audio Tempo Change? 2011/01/01 22:04:04 (permalink)
    Re-record them at the right tempo. 


    You could use Audio Snap if you had Sonar Studio or Producer. 
    post edited by daveny5 - 2011/01/02 10:11:25

    Dave
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    57Gregy
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    Re:Audio Tempo Change? 2011/01/01 23:07:37 (permalink)
    That would be a tough one, with MIDI and audio.
    There's probably an easier way, but what I would do is first bounce all the MIDI tracks to audio. If the mix as a whole is satisfactory, you can export the entire audio mix to your My Music folder or folder of your choice.
    Then open a new SHS project, import that mix back in, highlight the track. Then go to Process>Audio FX> Time/Pitch Stretch and change the value from 100% to about 110%. See how it sounds. If it's too fast or slow, undo and try a different value.
    Alternatively, you could do that to each audio track (including the bounced-to-audio MIDI tracks) one at a time.
    If you stretched only the audio tracks in the current project form (MIDI and audio), it would then be difficult to get the MIDI tracks in sync with the stretched audio tracks.
    I just tried it with one of my songs, to 110% and it didn't sound bad.
    Or, re-record the audio tracks.
     

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    larrymcg
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    Re:Audio Tempo Change? 2011/01/02 13:12:13 (permalink)
    Using SHS7XL, I just did an experiment (changing the tempo) with a project with midi and one audio track.
    The original tempo was 170.  With no tracks selected, I changed the project tempo to 150.  I then right-clicked the audio track and selected Clip Properties.  Then the Audio Stretching tab.  Clicked Stretch to Project Tempo.  Then change the Original Tempo to be the original tempo (not the current tempo).  In my case I set it to 170 (not 150).

    The audio track plays along with the midi nicely now!

    --Larry

    Edited to fix the next to last sentence to read "In my case I set it to 170 (not 150)".
    post edited by larrymcg - 2011/01/02 14:24:32

    Intel Core i7-4790 @3.6GHz; 8GB; Win10 Pro 64bit; 1TB disk + 3TB ext disk; Midiman Fineline mixer; MidiSport 4x4 midi I/F; Roland JV-30 kbd/synth; Yamaha TG55 synth; Rx with 3 piece Home audio speakers; Sonar X3e Studio
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    larrymcg
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    Re:Audio Tempo Change? 2011/01/02 13:13:55 (permalink)
    Oh, I forgot.  The clip was shortened so that the end of the clip did not play.  So I dragged out the right end and the audio was there.  Weird, but it worked.
    --Larry


    Intel Core i7-4790 @3.6GHz; 8GB; Win10 Pro 64bit; 1TB disk + 3TB ext disk; Midiman Fineline mixer; MidiSport 4x4 midi I/F; Roland JV-30 kbd/synth; Yamaha TG55 synth; Rx with 3 piece Home audio speakers; Sonar X3e Studio
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