Mercurial > hg > decimation

changeset 20:7d4165ded830

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Different quality settings
author Chris Cannam
date Fri, 18 Oct 2013 17:15:54 +0100
parents c2b64a1464f4
children 12a0c2e493c4
files run-tests.sh
diffstat 1 files changed, 20 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/run-tests.sh	Fri Oct 18 15:57:28 2013 +0100
+++ b/run-tests.sh	Fri Oct 18 17:15:54 2013 +0100
@@ -20,14 +20,30 @@
     factor="$1"
     infile="$2"
     outfile="$3"
+echo "factor is $factor"
+    echo "running... sndfile-resample -to $(($original/$factor)) -c 4 $infile $outfile"
     sndfile-resample -to "$(($original/$factor))" -c 4 "$infile" "$outfile"
 }
 
-do_resample() {
+do_resample_hq() {
     factor="$1"
     infile="$2"
     outfile="$3"
-    "$mydir/garage-resampler/resample" --to "$(($original/$factor))" "$infile" "$outfile"
+    "$mydir/garage-resampler/resample" --snr 100 --bandwidth 0.02 --to "$(($original/$factor))" "$infile" "$outfile"
+}
+
+do_resample_mq() {
+    factor="$1"
+    infile="$2"
+    outfile="$3"
+    "$mydir/garage-resampler/resample" --snr 70 --bandwidth 0.03 --to "$(($original/$factor))" "$infile" "$outfile"
+}
+
+do_resample_lq() {
+    factor="$1"
+    infile="$2"
+    outfile="$3"
+    "$mydir/garage-resampler/resample" --snr 50 --bandwidth 0.05 --to "$(($original/$factor))" "$infile" "$outfile"
 }
 
 do_decimate() {
@@ -40,8 +56,8 @@
 mkdir -p "$mydir"/out
 
 for f in $factors; do
-    for impl in linear decimate resample src; do
-	do_$impl "$f" "$mydir/infinitewave-testsignals/Swept_float.wav" "$mydir"/out/"$impl"_"$factor".wav
+    for impl in linear decimate resample_hq resample_mq resample_lq src; do
+	do_$impl "$f" "$mydir/infinitewave-testsignals/Swept_float.wav" "$mydir"/out/"$f"_"$impl".wav
     done
 done