Add sound recognizer test api (#1770)

Author: RobertLucian

build/lint.sh

@@ -128,6 +128,7 @@ output=$(cd "$ROOT" && find . -type f \
 ! -path "./.git/*" \
 ! -name ".*" \
 ! -name "*.bin" \
+! -name "*.wav" \
 -exec egrep -l " +$" {} \;)
 if [[ $output ]]; then
   echo "File(s) have lines with trailing whitespace:"
@@ -147,6 +148,7 @@ output=$(cd "$ROOT" && find . -type f \
 ! -path "./.git/*" \
 ! -name ".*" \
 ! -name "*.bin" \
+! -name "*.wav" \
 -print0 | \
 xargs -0 -L1 bash -c 'test "$(tail -c 1 "$0")" && echo "No new line at end of $0"' || true)
 if [[ $output ]]; then
@@ -166,6 +168,7 @@ output=$(cd "$ROOT" && find . -type f \
 ! -path "./.git/*" \
 ! -name ".*" \
 ! -name "*.bin" \
+! -name "*.wav" \
 -print0 | \
 xargs -0 -L1 bash -c 'test "$(tail -c 2 "$0")" || [ ! -s "$0" ] || echo "Multiple new lines at end of $0"' || true)
 if [[ $output ]]; then
@@ -185,6 +188,7 @@ output=$(cd "$ROOT" && find . -type f \
 ! -path "./.git/*" \
 ! -name ".*" \
 ! -name "*.bin" \
+! -name "*.wav" \
 -print0 | \
 xargs -0 -L1 bash -c 'test "$(head -c 1 "$0")" || [ ! -s "$0" ] || echo "New line at beginning of $0"' || true)
 if [[ $output ]]; then

test/apis/tensorflow/sound-classifier/README.md

@@ -0,0 +1,15 @@
+# Sound Classifier
+
+Based on https://tfhub.dev/google/yamnet/1.
+
+Export the endpoint:
+
+```bash
+export ENDPOINT=<API endpoint>  # you can find this with `cortex get sound-classifier`
+```
+
+And then run the inference:
+
+```bash
+curl $ENDPOINT -X POST -H "Content-type: application/octet-stream" --data-binary "@silence.wav"
+```