ARECORDMIDI(1)                                                  ARECORDMIDI(1)


       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  val-
              ues 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.

              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, rep-
              resenting 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 <>

                                  6 Apr 2004                    ARECORDMIDI(1)

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