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Post by formatcyes on Feb 26, 2016 16:03:36 GMT -6
Hi Guy's What's the easiest way to check that the midi lines up with the audio? For example a drum sample lined up on the first beat how do I test that it is playing at the same time as an audio track?
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Post by mrholmes on Feb 26, 2016 16:45:12 GMT -6
buffer size?
which interface?
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Post by popmann on Feb 26, 2016 16:50:52 GMT -6
There's not enough information given. Why are you testing? MIDI recording of live playing? Listening to what audio source being triggered? T
he answer is probably, generically, to test it you need a hardware keyboard/module that outputs audio AND midi. You record both simultaneously---then you render the midi as audio on a SECOND audio track and compare the initial audio track to the "midi turned to audio track. A proper system with timestamped MIDI and full IO audio compensation will line up as well as MIDI will EVER line up--which is not going to be anywhere NEAR phase accurate due to having to round to the PPQN grid. You can pump that resolution up in some sequencers....run it at double tempo...get a little more accurate, but my rule of thumb is simple--never use MIDI to capture a human performance. If you need to use it to build a part the human can't play, you render it as audio as soon as you get it where you want it.
I use MIDI for demos because who cares about the sloppy performance? I want the ability to change key....change chords....etc....but if you listen to my finished released work, the only sequenced MIDI is the VSL string arrangements. And they are sitting as audio in the project to be mixed--often with a whole separate project at 44.1 for their arrangement.
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