waveforms.co

speech signal process tools

#waveforms.com  	@(#)waveforms.co	1.8 1/14/91
# command file for explaining markers and showing various operations 
# that can be performed on waveform windows
#waves set command_step 1
waves make name b file files/e_fe1.sd loc_x 0 loc_y 180 height 275 width 1100 ref_size 10
sleep seconds .5
waves make name e file files/e_fe1.sd2 loc_x 0 loc_y 500 height 275 width 1100 ref_size 10
#set command_step 1
sleep seconds 1

# set cursors and markers

b cursor time 0.5
sleep seconds .3
e cursor time 0.5
sleep seconds .3
b marker time 0.40 do_left 1
sleep seconds .2
b marker time 0.60  do_left 0
sleep seconds .2
e marker time 0.40 do_left 1
sleep seconds .2
e marker time 0.60  do_left 0
sleep seconds .2
shell lock_play audio/e_wave1.sd audio/e_wave2.sd &
shell wait_for 2

# progressive magnification 

shell /tmp/play audio/e_wave3.sd &
b bracket file files/e_fe1.sd start 0 end 1.0
b marker time 0.40 do_left 1
b marker time 0.60  do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start .2  end 0.8
b marker time 0.40 do_left 1
b marker time 0.60  do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start .3  end 0.7
b marker time 0.40 do_left 1
b marker time 0.60  do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start .48 end .52
sleep seconds 2
b bracket file files/e_fe1.sd start .3  end 0.7
b marker time 0.40 do_left 1
b marker time 0.60  do_left 0
sleep seconds 3

# paging forward 

shell /tmp/play audio/e_wave4.sd &
b bracket file files/e_fe1.sd start .6 end .8
e marker time .6 do_left 1
e marker time .8 do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start .8 end 1.0
e marker time .8 do_left 1
e marker time 1.0 do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start 1.0 end 1.2
e marker time 1.0 do_left 1
e marker time 1.2 do_left 0
sleep seconds 2
b bracket file files/e_fe1.sd start 1.2 end 1.4
e marker time 1.2 do_left 1
e marker time 1.4 do_left 0
sleep seconds 2
kill name e file files/e_fe1.sd2

# hand editing 

shell /tmp/play audio/e_wave5.sd &
waves make name b file files/e_fe1.ed.sd loc_x 0 loc_y 500 height 275
sleep seconds 1
b marker time 1.2 do_left 1
b marker time 1.4 do_left 0
b bracket file files/e_fe1.ed.sd start 1.2 end 1.4
sleep seconds 5
kill name b file files/e_fe1.ed.sd
sleep seconds .2
b bracket file files/e_fe1.sd start 0 end 3
sleep seconds .2

# can make spectrograms among other operations 

set min_spec_height 450
make name b file files/e_fe1.spgm loc_x 0 loc_y 425 start 0  ref_size 10
sleep seconds .5
shell lock_play audio/e_wave6.sd &
sleep seconds .5
make name c file files/e_fe1.nb.spgm loc_x 500 loc_y 300 start 0  ref_size 10
sleep seconds 1
shell wait_for 2
set min_spec_height 250
shell /tmp/play audio/e_wave7.sd

#show shimmering and overlays

shell lock_play audio/e_wave8.sd &
call commandname shimmer.com
set colormap esps/lib/waves/greymap
call commandname shimmer.com
shell wait_for 1

# overlay demo

#get rid of nb spgrm before overlay
kill name c file files/e_fe1.nb.spgm
sleep seconds 1
shell /tmp/play audio/e_wave9.sd 
b overlay file files/fe1.fb.sig on_file fe1.sd.spgm
sleep seconds 2.5


# similar operations on general multi-parameter ESPS objected oriented files

make name b file files/e_fe1.rcn loc_x 500 loc_y 450 start 0 duration 4 height 400 width 600
sleep seconds 2
shell lock_play audio/e_wave10.sd
sleep seconds 1
b marker time 1.1 do_left 1
b marker time 1.4  do_left 0
sleep seconds 3
b bracket file files/e_fe1.rcn start 1.1 end 1.4
sleep seconds 3
b bracket file files/e_fe1.rcn start 0 end 3
sleep seconds .2
b marker time 1.1 do_left 1
b marker time 1.4  do_left 0
sleep seconds .2
shell wait_for 0

# demonstrate cursor motion 

set colormap esps/lib/waves/greymap
b colormap threshold 35 range 60
shell lock_play audio/e_wave11.sd &
call commandname cursors.com
call commandname cursors.com
shell wait_for 0
kill 
sleep seconds 2
set colormap esps/lib/waves/Colormap
return