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soxr-code
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better graph z-ranges

master
Rob Sykes 2015-08-26 19:09:05 +01:00
parent 5acfe5b3dd
commit f329a01c2a
2 changed files with 16 additions and 9 deletions
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4
tests/io-test
View File

@ -17,9 +17,11 @@ ex=./3-options-input-fn
types=(f32 f64 s32 s16)
zs=(160 160 160 120 180 180 120 120)
do_one() {
$ex $ir $or $c $1 $2 $3 < $c.${types[$1]} |
sox -t ${types[$2]} -r $or -c $c - -n spectrogram -X50 -hwk -z180 -o io$c$n.png
sox -t ${types[$2]} -r $or -c $c - -n spectrogram -X50 -hwk -z${zs[$n]} -o io$c$n.png
n=`expr $n + 1`
}

21
tests/q-test
View File

@ -11,16 +11,19 @@ set -e
tool=./3-options-input-fn
spec="spectrogram -z180 -Z-20 -wd -ho"
ext=f32; e=0
ext=f64; e=1
c=2
q1=4; q2=4
c=1
q1=0; q2=7
rates=48000
rates="48000 77773 96000"
z=(50 87 87 87 111 135 159 180 95)
zz() {
echo "spectrogram -z${z[$1]} -Z-30 -wd -ho"
}
for rate0 in $rates; do
rate1=$rate0
@ -53,10 +56,11 @@ sox -r $rate1 -n -c $c 0.$ext synth 8 sin 0:$rate1n gain -1
for q in `seq $q1 $q2`; do
f=q$rate1-$rate2-a-$q
$tool $rate1 $rate2 $c $e $e $q 0 < 0.$ext | sox -c$c -r$rate2 -t $ext - -n $spec $f.png
$tool $rate1 $rate2 $c $e $e $q 0 < 0.$ext | sox -c$c -r$rate2 -t $ext - -n $(zz $q) $f.png
done
q=8
f=q$rate1-$rate2-a-v
$tool $rate1 $rate2 $c $e $e 4 20 < 0.$ext | sox -c$c -r$rate2 -t $ext - -n $spec $f.png
$tool $rate1 $rate2 $c $e $e 4 20 < 0.$ext | sox -c$c -r$rate2 -t $ext - -n $(zz $q) $f.png
@ -67,10 +71,11 @@ sox -r $rate1 -n 0.$ext synth 1s sq pad .03 .03 gain -1
for q in `seq $q1 $q2`; do
f=q$rate1-$rate2-b-$q
$tool $rate1 $rate2 1 $e $e $q 0 < 0.$ext | sox -c1 -r$rate2 -t $ext - $f.wav $spec $f.png -X 2000
$tool $rate1 $rate2 1 $e $e $q 0 < 0.$ext | sox -c1 -r$rate2 -t $ext - $f.wav $(zz $q) $f.png -X 2000
done
q=8
f=q$rate1-$rate2-b-v
$tool $rate1 $rate2 1 $e $e 4 20 < 0.$ext | sox -c1 -r$rate2 -t $ext - $f.wav $spec $f.png -X 2000
$tool $rate1 $rate2 1 $e $e 4 20 < 0.$ext | sox -c1 -r$rate2 -t $ext - $f.wav $(zz $q) $f.png -X 2000
# Combine impuse responses into multi-channel file (for inspection in Audacity):
sox -M q$rate1-$rate2-b-?.wav q$rate1-$rate2.wav