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https://github.com/alsa-project/alsa-utils
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82 lines
2.2 KiB
Groff
82 lines
2.2 KiB
Groff
.TH ARECORDMIDI 1 "17 Sep 2007"
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.SH NAME
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arecordmidi \- record Standard MIDI Files
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.SH SYNOPSIS
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.B arecordmidi
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\-p client:port[,...] [options] midifile
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.SH DESCRIPTION
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.B arecordmidi
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is a command-line utility that records a Standard MIDI File from one or
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more ALSA sequencer ports.
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To stop recording, press Ctrl+C.
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.SH OPTIONS
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.TP
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.I \-h,\-\-help
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Prints a list of options.
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.TP
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.I \-V,\-\-version
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Prints the current version.
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.TP
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.I \-l,\-\-list
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Prints a list of possible input ports.
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.TP
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.I \-p,\-\-port=client:port,...
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Sets the sequencer port(s) from which events are recorded.
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A client can be specified by its number, its name, or a prefix of its
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name. A port is specified by its number; for port 0 of a client, the
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":0" part of the port specification can be omitted.
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.TP
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.I \-b,\-\-bpm=beats
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Sets the musical tempo of the MIDI file, in beats per minute.
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The default value is 120 BPM.
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.TP
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.I \-f,\-\-fps=frames
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Sets the SMPTE resolution, in frames per second.
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Possible values are 24, 25, 29.97 (for 30 drop-frame), and 30.
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.TP
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.I \-t,\-\-ticks=ticks
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Sets the resolution of timestamps (ticks) in the MIDI file,
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in ticks per beat (when using musical tempo) or ticks per frame
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(when using SMPTE timing).
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The default value is 384 ticks/beat or 40 ticks/frame, respectively.
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.TP
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.I \-s,\-\-split\-channels
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Specifies that the data for each MIDI channel should be written to a
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separate track in the MIDI file.
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This will result in a "format 1" file.
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Otherwise, when there is only one track,
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.B arecordmidi
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will generate a "format 0" file.
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.TP
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.I \-m,\-\-metronome=client:port
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Plays a metronome signal on the specified sequencer port.
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Metronome sounds are played on channel 10, MIDI notes 33 & 34 (GM2/GS/XG
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metronome standard notes), with velocity 100 and duration 1.
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.TP
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.I \-i,\-\-timesig=numerator:denominator
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Sets the time signature for the MIDI file and metronome.
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The time signature is specified as usual with two numbers, representing
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the numerator and denominator of the time signature as it would be
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notated. The denominator must be a power of two. Both numbers should be
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separated by a colon. The time signature is 4:4 by default.
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.SH AUTHOR
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Clemens Ladisch <clemens@ladisch.de>
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