diff --git a/aidl/android/media/MicrophoneInfoData.aidl b/aidl/android/media/MicrophoneInfoData.aidl
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+++ b/aidl/android/media/MicrophoneInfoData.aidl
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+/*
+ * Copyright 2020 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.media;
+
+/**
+ * {@hide}
+ */
+parcelable MicrophoneInfoData {
+    @utf8InCpp String deviceId;
+    int portId;
+    int type;
+    @utf8InCpp String address;
+    int deviceLocation;
+    int deviceGroup;
+    int indexInTheGroup;
+    float[] geometricLocation;
+    float[] orientation;
+    float[] frequencies;
+    float[] frequencyResponses;
+    int[] channelMapping;
+    float sensitivity;
+    float maxSpl;
+    float minSpl;
+    int directionality;
+}