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2022.12.09

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Seymour Shlien
2022-12-09 13:31:50 -05:00
parent 80e8dbf505
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doc/midistats.1
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@@ -1,4 +1,4 @@
.TH MIDISTATS 1 "3 December 2022"
.TH MIDISTATS 1 "9 December 2022"
.SH NAME
\fBmidistats\fP \- program to summarize the statistical properties of a midi file
.SH SYNOPSIS
@@ -35,17 +35,12 @@ the total number of notes for this for this channel,
the sum of the MIDI pitches for all the notes,
the sum of the note durations in MIDI pulse units,
the number of control parameter messages,
and the number of pressure messages.
the number of pressure messages.
and the number of distinct rhythm patterns for each channel
.PP
After processing all the individual tracks, the following information
applies to the entire midi file.
.PP
rhythmPatterns indicates the number of distinct rhythm patterns for each
channel. A large number likely implies that the melody line occurs in
this channel, while a small number indicates that this channel probably
is used for chordal support.
.PP
npulses is the length of the longest midi track in midi pulse units
.PP
tempocmds specifies the number of times the tempo is changed in this
@@ -74,7 +69,17 @@ that occur in the midi file.
.PP
pitchact is a similar histogram but is weighted by the length of
the notes.
.PP
quietTime is used to compute the track/channel spread in midiexplorer.
It is computed by summing up all the midi pulses which occur
in gaps greater than 8 beats.
.PP
totalrhythmpatterns is the total number of bar rhythm patterns for
all channels except the percussion channel.
.PP
collisions. Midistats counts the bar rhythm patterns using a hashing
function. Presently collisions are ignored so occasionally two
distinct rhythm patterns are counted as one.
.SH AUTHOR
Seymour Shlien <fy733@ncf.ca>