ref: ef75a218af2fb6da7935ba65a892f28ad59a0e29
parent: 7633af3c8826efa2ae799a64c65855aded814145
author: Rob Sykes <robs@users.sourceforge.net>
date: Tue Mar 13 09:39:02 EDT 2012
remove code for compatibility with old versions of sox; default to 1dB of head-room
--- a/scripts/testtones.sh
+++ b/scripts/testtones.sh
@@ -38,15 +38,12 @@
# the test-tones.
#
# Other parameters can be changed in the Configuration section below.
-#
-# Note: this script has been tested with SoX 14.3.0. It works
-# to a lesser extent with 14.2.0.
# Configuration:
-sox=../src/sox # Where is sox? E.g. sox, /usr/local/bin/sox
+sox="../src/sox" # Where is sox? E.g. sox, /usr/local/bin/sox
type=wav # File type, e.g. flac, cdda
rate=44100 # Default sample rate
#chans2="-c 2" # Uncomment for all files to have 2 channels
@@ -53,8 +50,8 @@
part_octave=6 # 5 for harmonic split, 6 for true half octave
tone_length=36 # In seconds; not used for sweeps
fade_time=.05 # Fade in/out time (for smooth start and end of tone)
-#gain="gain -9" # Uncomment for different default volume
-#NDD=-D # Uncomment to disable TPDF default dither (v14.3.0)
+gain="gain -1" # Headroom for playpack chain
+#NDD=-D # Uncomment to disable TPDF default dither
vol_dither="-f ge" # Type of dither to be used for volume tests
plot=yes # Uncomment to enable PNG plots
@@ -62,8 +59,8 @@
plot()
{- [ -n "$plot" ] && [ -n "$name" ] && $sox $D "$name" -n \
- spectrogram -w kaiser -o "`basename "$name" $type`png"
+ [ -n "$plot" ] && [ -n "$name" ] && $sox -D "$name" -n \
+ spectrogram -h -w kaiser -o "`basename "$name" $type`png"
}
@@ -88,11 +85,6 @@
# Initialisation:
-soxver=`$sox --version | sed "s/.* v//" ` # Find out sox version
-major=`echo $soxver | cut -d . -f1`
-minor=`echo $soxver | cut -d . -f2`
-soxver=$(($major * 100 + $minor)) # Ignore patch number
-
[ -n "$1" ] && rate="$1"
[ -n "$2" ] && tone_length="$2"
@@ -104,9 +96,6 @@
freqs="100 1k 10k"
input="$sox $NDD -r $rate -n"
-[ $soxver -ge 1403 ] && H=-h
-[ $soxver -ge 1403 ] && D=-D
-[ $soxver -ge 1403 ] && J="-j 0"
echo "Creating test audio files with sample-rate = $rate"
@@ -115,7 +104,7 @@
echo; echo "Silence:"
next_file silence
-$input $D $output trim 0 $length
+$input -D $output trim 0 $length
@@ -140,7 +129,7 @@
else
next_file %$note
fi
- $input $output synth $J sine %$note $fade $gain
+ $input $output synth -j 0 sine %$note $fade $gain
note=$(($note + $part_octave))
part_octave=$((12 - $part_octave))
done
@@ -174,7 +163,7 @@
$input $output synth sine %30 \
synth sine amod 8.333333333333333333 0 $phase1 \
synth squa amod 0.08333333333333333333 0 $phase2 1 gain -9 \
- synth $length sine mix $freq gain $H 3 $gain
+ synth $length sine mix $freq gain -h 3 $gain
phase1=41.66666666666666667
phase2=42.66666666666666667
done
@@ -206,42 +195,29 @@
for freq in $freqs; do
for att in 12 24 36 48 60 72 84 96 108; do
next_file ${freq}hz_${att}dB_att- $input $output synth $length sine $freq gain $H -$att $fade dither $vol_dither
+ $input $output synth $length sine $freq gain -h -$att $fade dither $vol_dither
done
done
-if [ $soxver -ge 1403 ]; then
- echo; echo "Sweep volume @ 1dB/s, -108->0->-108dB, with a mark (-40dB) every 12dB:"
+echo; echo "Sweep volume @ 1dB/s, -108->0->-108dB, with a mark (-40dB) every 12dB:"
- for freq in $freqs; do
- next_file ${freq}hz_108dB-sweep 216- $input $output synth $length sin $freq sin %30 \
- synth squ amod 0 100 sine amod 8.333333333333333333 0 75 \
- synth exp amod 0.00462962962962962963 0 0 50 54 \
- squ amod 0.08333333333333333333 0 1 1 \
- remix 1v.99,2v.01 dither $vol_dither
- done
-else
- echo; echo "Sweep volume @ 1dB/s, -96->0->-96dB, with a mark (-40dB) every 12dB:"
+for freq in $freqs; do
+ next_file ${freq}hz_108dB-sweep 216+ $input $output synth $length sin $freq sin %30 \
+ synth squ amod 0 100 sine amod 8.333333333333333333 0 75 \
+ synth exp amod 0.00462962962962962963 0 0 50 54 \
+ squ amod 0.08333333333333333333 0 1 1 \
+ remix 1v.99,2v.01 dither $vol_dither
+done
- for freq in $freqs; do
- next_file ${freq}hz_96dB-sweep 198- $input $output synth $length sin $freq sin %30 \
- synth squ amod 0 100 sine amod 8.333333333333333333 0 75 \
- synth exp amod 0.005050505050505050505 0 0 50 96 \
- squ amod 0.08333333333333333333 0 1 1 \
- remix 1v.99,2v.01 dither $vol_dither
- done
-fi
-
echo; echo "1kHz tone offset with 1Hz:"
next_file offset_10%_square
-$input $output synth $length square 1 sine 1000 remix 1v0.05,2v0.95 gain $H 0 $fade $gain
+$input $output synth $length square 1 sine 1000 remix 1v0.05,2v0.95 gain -h 0 $fade $gain
next_file offset_50%_sine
$input $output synth $length sine 1 synth sine mix 1000 $fade $gain
@@ -251,9 +227,9 @@
for freq in $freqs; do
next_file ${freq}hz_left-chan- $input $output synth $length sine $freq remix 1 0 gain $H 0 $fade $gain
+ $input $output synth $length sine $freq remix 1 0 gain -h 0 $fade $gain
next_file ${freq}hz_right-chan- $input $output synth $length sine $freq remix 0 1 gain $H 0 $fade $gain
+ $input $output synth $length sine $freq remix 0 1 gain -h 0 $fade $gain
done
@@ -269,35 +245,33 @@
-if [ $soxver -ge 1403 ]; then
- echo; echo "Plucked scale:"
+echo; echo "Plucked scale:"
- options=
- overdrive="gain -3"
- for f in pluck pluck_dist; do
- next_file $f 42
- note=-29
- :>tmp.s32
-
- while [ $note -lt 17 ]; do
- $input -t s32 - synth .4 pluck %$note $options >> tmp.s32
- note=$(($note + 1))
- done
- $input -t s32 - synth 1.2 pluck %$note $options >> tmp.s32
-
- while [ $note -gt -29 ]; do
- $input -t s32 - synth .4 pluck %$note $options >> tmp.s32
- note=$(($note - 1))
- done
- $input -t s32 - synth pluck %$note $options fade t 0 4 3.6 >> tmp.s32
+options=
+overdrive="gain -3"
+for f in pluck pluck_dist; do
+ next_file $f 42
+ note=-29
+ :>tmp.s32
+
+ while [ $note -lt 17 ]; do
+ $input -t s32 - synth .4 pluck %$note $options >> tmp.s32
+ note=$(($note + 1))
+ done
+ $input -t s32 - synth 1.2 pluck %$note $options >> tmp.s32
+
+ while [ $note -gt -29 ]; do
+ $input -t s32 - synth .4 pluck %$note $options >> tmp.s32
+ note=$(($note - 1))
+ done
+ $input -t s32 - synth pluck %$note $options fade t 0 4 3.6 >> tmp.s32
- $sox -r $rate -c 1 tmp.s32 $output $overdrive remix 1 1 reverb 30
+ $sox -r $rate -c 1 tmp.s32 $output $overdrive remix 1 1 reverb 30
- rm -f tmp.s32
- options="0 0 60 75 0"
- overdrive="overdrive gain -10"
- done
-fi
+ rm -f tmp.s32
+ options="0 0 60 75 0"
+ overdrive="overdrive gain -10"
+done