SGR-METERS(1)                              User Commands                              SGR-METERS(1)

NAME
       sgr-meters - GTK based audio meters

SYNOPSIS
       sgr-meters

DESCRIPTION
       Open the sgr-meters GUI meters.

       -a     Show arcs on digital meters.

       -A     Do not show arcs on digital meters. [default]

       -c     Center  the  spectrum  vertically  with the left channel above the line and the right
              channel below the line.  Colors will reflect the frequency for red  (low)  to  purple
              (high).

       -C     Spectrum  not  centered. Colors will indicate the dominant channel by frequency (red,
              right, yellow, left). [default]

       -f     Show fan style arcs.

       -g     Show spectrum graph only - no meters.

       -h -?  Help

       -l     Show connecting lines between the lines.

       -L     Show connecting lines between the lines. [default]

       -m     Show meters only - no spectrum graph

       -s <int>
              Audio sample rate [50]

       -v     Show legacy vu meters

       -w     Show wide frequency (0 Hz to 23 kHz) spectrum.

EXAMPLES
       sgr-meters -v
              Show legacy VU meters only.

       sgr-meters -m
              Show digital meters only with arcs not filled in.

       sgr-meters -ma
              Show digital meters only with arcs filled in.

       sgr-meters
              Show digital meters and non-centered spectrum (0 Hz to 12 kHz).

       sgr-meters -c
              Show digital meters and centered spectrum (0 Hz to 12 kHz).

       sgr-meters -g
              Show non-centered spectrum (0 Hz to 12 kHz) only.

       sgr-meters -gc
              Show non-centered spectrum (0 Hz to 12 kHz) only.

       sgr-meters -gcL
              Show non-centered spectrum (0 Hz to 12 kHz) only without connecting lines.

       sgr-meters -gcLw
              Show non-centered wide spectrum (0 Hz to 23 kHz) only without connecting lines.

AUTHOR
       Written by Kevin C. O'Kane.

REPORTING BUGS
       SGR coreutils online help: <https://www.cs.uni.edu/~okane/>

COPYRIGHT
       Copyright © 2025 Kevin C. O'Kane

LICENSE
       GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       zippy(1)

       Full documentation <https://https://www.cs.uni.edu/~okane/>

SGR coreutils 1.0                            March 2025                               SGR-METERS(1)