diff --git a/services/mediaanalytics/AudioAnalytics.h b/services/mediaanalytics/AudioAnalytics.h
new file mode 100644
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+++ b/services/mediaanalytics/AudioAnalytics.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+#pragma once
+
+#include "TimeMachine.h"
+#include "TransactionLog.h"
+
+namespace android::mediametrics {
+
+class AudioAnalytics
+{
+public:
+    AudioAnalytics();
+    ~AudioAnalytics();
+
+    // TODO: update with conditions for keys.
+    /**
+     * Returns success if AudioAnalytics recognizes item.
+     *
+     * AudioAnalytics requires the item key to start with "audio.".
+     *
+     * A trusted source can create a new key, an untrusted source
+     * can only modify the key if the uid will match that authorized
+     * on the existing key.
+     *
+     * \param item the item to be submitted.
+     * \param isTrusted whether the transaction comes from a trusted source.
+     *        In this case, a trusted source is verified by binder
+     *        UID to be a system service by MediaMetrics service.
+     *        Do not use true if you haven't really checked!
+     */
+    status_t submit(const std::shared_ptr<const MediaAnalyticsItem>& item, bool isTrusted);
+
+    /**
+     * Returns a pair consisting of the dump string, and the number of lines in the string.
+     *
+     * The number of lines in the returned pair is used as an optimization
+     * for subsequent line limiting.
+     *
+     * The TimeMachine and the TransactionLog are dumped separately under
+     * different locks, so may not be 100% consistent with the last data
+     * delivered.
+     *
+     * \param lines the maximum number of lines in the string returned.
+     */
+    std::pair<std::string, int32_t> dump(int32_t lines = INT32_MAX) const;
+
+private:
+    // The following are locked internally
+    TimeMachine mTimeMachine;
+    TransactionLog mTransactionLog;
+};
+
+} // namespace android::mediametrics