Signal augmentation test scripts

bin/run-tc-signal_augmentations.sh

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+#!/bin/sh
+
+set -xe
+
+ldc93s1_dir=`cd data/smoke_test; pwd`
+ldc93s1_csv="${ldc93s1_dir}/LDC93S1.csv"
+ldc93s1_wav="${ldc93s1_dir}/LDC93S1.wav"
+ldc93s1_overlay_csv="${ldc93s1_dir}/LDC93S1_overlay.csv"
+ldc93s1_overlay_wav="${ldc93s1_dir}/LDC93S1_reversed.wav"
+
+play="python bin/play.py --number 1 --quiet"
+compare="python bin/compare_samples.py --no-success-output"
+
+if [ ! -f "${ldc93s1_csv}" ]; then
+    echo "Downloading and preprocessing LDC93S1 example data, saving in ${ldc93s1_dir}."
+    python -u bin/import_ldc93s1.py ${ldc93s1_dir}
+fi;
+
+if [ ! -f "${ldc93s1_overlay_csv}" ]; then
+    echo "Reversing ${ldc93s1_wav} to ${ldc93s1_overlay_wav}."
+    sox "${ldc93s1_wav}" "${ldc93s1_overlay_wav}" reverse
+
+    echo "Creating ${ldc93s1_overlay_csv}."
+    printf "wav_filename\n${ldc93s1_overlay_wav}" > "${ldc93s1_overlay_csv}"
+fi;
+
+if ! $compare --if-differ "${ldc93s1_wav}" "${ldc93s1_overlay_wav}"; then
+  echo "Sample comparison tool not working correctly"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment overlay[source="${ldc93s1_overlay_csv}",snr=20] --pipe >/tmp/overlay-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/overlay-test.wav; then
+  echo "Overlay augmentation had no effect or changed basic sample properties"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment reverb[delay=50.0,decay=2.0] --pipe >/tmp/reverb-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/reverb-test.wav; then
+  echo "Reverb augmentation had no effect or changed basic sample properties"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment gaps[n=10,size=100.0] --pipe >/tmp/gaps-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/gaps-test.wav; then
+  echo "Gaps augmentation had no effect or changed basic sample properties"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment resample[rate=4000] --pipe >/tmp/resample-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/resample-test.wav; then
+  echo "Resample augmentation had no effect or changed basic sample properties"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment codec[bitrate=4000] --pipe >/tmp/codec-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/codec-test.wav; then
+  echo "Codec augmentation had no effect or changed basic sample properties"
+  exit 1
+fi
+
+$play ${ldc93s1_wav} --augment volume --pipe >/tmp/volume-test.wav
+if ! $compare --if-differ "${ldc93s1_wav}" /tmp/volume-test.wav; then
+  echo "Volume augmentation had no effect or changed basic sample properties"
+  exit 1
+fi