diff --git a/audio/effect/2.0/INoiseSuppressionEffect.hal b/audio/effect/2.0/INoiseSuppressionEffect.hal
new file mode 100644
index 0000000..58e439f
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+++ b/audio/effect/2.0/INoiseSuppressionEffect.hal
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.audio.effect@2.0;
+
+import android.hardware.audio.common@2.0;
+import IEffect;
+
+interface INoiseSuppressionEffect extends IEffect {
+    enum Level {
+        LOW,
+        MEDIUM,
+        HIGH
+    };
+
+    /*
+     * Sets suppression level.
+     */
+    setSuppressionLevel(Level level) generates (Result retval);
+
+    /*
+     * Gets suppression level.
+     */
+    getSuppressionLevel() generates (Result retval, Level level);
+
+    enum Type {
+        SINGLE_CHANNEL,
+        MULTI_CHANNEL
+    };
+
+    /*
+     * Set suppression type.
+     */
+    setSuppressionType(Type type) generates (Result retval);
+
+    /*
+     * Get suppression type.
+     */
+    getSuppressionType() generates (Result retval, Type type);
+
+    struct AllProperties {
+        Level level;
+        Type type;
+    };
+
+    /*
+     * Sets all properties at once.
+     */
+    setAllProperties(AllProperties properties) generates (Result retval);
+
+    /*
+     * Gets all properties at once.
+     */
+    getAllProperties() generates (Result retval, AllProperties properties);
+};