
153 Converting Audio to MIDI
The Convert Melody command can work with music from your collection, but also allows you
to record yourself singing, whistling, or playing a solo instrument such as a guitar and use the
recording to generate MIDI notes.
11.4 Convert Drums to New MIDI Track
This command extracts the rhythms from unpitched, percussive audio and places them into a clip
on a new MIDI track. The command also attempts to identify kick, snare and hihat sounds and
places them into the new clip so that they play the appropriate sounds in the preloaded Drum
Rack. Any additional sounds (such as cymbals, toms, or other percussion) will be retained but
placed on a silent note lane for manual editing.
As with the Convert Melody command, you can adjust the transient markers in the audio clip
prior to conversion to determined where notes will be placed in the converted MIDI clip.
Convert Drums works well with recorded breakbeats, but also with your own recordings such as
beatboxing or tapping on a surface.
11.5 Optimizing for Better Conversion Quality
The Convert commands can generate interesting results when used on pre-existing recordings
from your collection, but also when used on your own recorded material. For example, you can
record yourself singing, playing guitar, or even beatboxing and use the Convert commands to
generate MIDI that you can use as a starting point for new music.
For the most accurate results, we recommend the following:
•Use music that has clear attacks. Notes that fade in or “swell” may not be detected by the
conversion process.
•Work with recordings of isolated instruments. The Convert Drums command, for example,
works best with unaccompanied drum breaks; if other instruments are present, their notes
will be detected as well.
•Use uncompressed, high-quality audio files such as .wav or .aiff. Lossy data formats such
as mp3 may result in unpredictable conversions, unless the recordings are at high bitrates.
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