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       arecordmidi - record Standard MIDI Files


       arecordmidi -p client:port[,...] [options] midifile


       arecordmidi is a command-line utility that records a Standard MIDI File
       from one or more ALSA sequencer ports.

       To stop recording, press Ctrl+C.


              Prints a list of options.

              Prints the current version.

              Prints a list of possible input ports.

              Sets the sequencer port(s) from which events are recorded.

              A client can be specified by its number, its name, or  a  prefix
              of  its name. A port is specified by its number; for port 0 of a
              client, the ":0" part of the port specification can be  omitted.

              Sets  the  musical  tempo of the MIDI file, in beats per minute.
              The default value is 120 BPM.

              Sets the SMPTE  resolution,  in  frames  per  second.   Possible
              values are 24, 25, 29.97 (for 30 drop-frame), and 30.

              Sets  the  resolution of timestamps (ticks) in the MIDI file, in
              ticks per beat (when using musical tempo)  or  ticks  per  frame
              (when  using SMPTE timing).  The default value is 384 ticks/beat
              or 40 ticks/frame, respectively.

              Specifies that the data for each MIDI channel should be  written
              to  a  separate  track  in the MIDI file.  This will result in a
              "format 1" file.  Otherwise,  when  there  is  only  one  track,
              arecordmidi will generate a "format 0" file.

              Plays a metronome signal on the specified sequencer port.

              Metronome  sounds  are  played on channel 10, MIDI notes 33 & 34
              (GM2/GS/XG metronome standard  notes),  with  velocity  100  and
              duration 1.

              Sets the time signature for the MIDI file and metronome.

              The  time  signature  is  specified  as  usual with two numbers,
              representing the numerator and denominator of the time signature
              as  it would be notated. The denominator must be a power of two.
              Both numbers should be separated by a colon. The time  signature
              is 4:4 by default.


       Clemens Ladisch <>

                                  17 Sep 2007