Adapt snr related scripts to new command line options (--strength/--snr).

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

src/delta2snr.sh

-for delta in 0.030 0.020 0.015 0.010 0.005 0.003 0.002 0.001
-do
-  #echo $delta $(AWM_PARAMS="--water-delta=$delta" ber-test.sh double-mp3 128) $(AWM_PARAMS="--water-delta=$delta" ber-test1.sh double-mp3 128)
-  #echo $delta $(AWM_PARAMS="--water-delta=$delta" peaq.sh)
-  echo $delta $(AWM_PARAMS="--water-delta=$delta" snr.sh)
-done

src/snr.sh

@@ -4,6 +4,5 @@ PATTERN=4e1243bd22c66e76c2ba9eddc1f91394
 
 for i in test/T*
 do
-  audiowmark add $i t.wav $PATTERN $AWM_PARAMS >/dev/null
-  echo $i $(audiowmark snr $i t.wav)
-done | grep snr | awk '{s += $3; n++} END { print s/n; }'
+  echo $i $(audiowmark add $i t.wav $PATTERN $AWM_PARAMS --snr | grep SNR)
+done | awk '{s += $3; n++} END { print s/n; }'

src/strength2snr.sh

+for strength in 30 20 15 10 5 3 2 1
+do
+  echo $strength $(AWM_PARAMS="--strength=$strength" snr.sh)
+done