diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index 98a1fde..6347d4e 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -233,25 +233,10 @@
     return NO_ERROR;
 }
 
-AudioTrack::AudioTrack() : AudioTrack(AttributionSourceState())
-{
-}
-
 AudioTrack::AudioTrack(const AttributionSourceState& attributionSource)
-    : mStatus(NO_INIT),
-      mState(STATE_STOPPED),
-      mPreviousPriority(ANDROID_PRIORITY_NORMAL),
-      mPreviousSchedulingGroup(SP_DEFAULT),
-      mPausedPosition(0),
-      mSelectedDeviceId(AUDIO_PORT_HANDLE_NONE),
-      mRoutedDeviceId(AUDIO_PORT_HANDLE_NONE),
-      mClientAttributionSource(attributionSource),
-      mAudioTrackCallback(new AudioTrackCallback())
+    : mClientAttributionSource(attributionSource)
 {
-    mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN;
-    mAttributes.usage = AUDIO_USAGE_UNKNOWN;
-    mAttributes.flags = AUDIO_FLAG_NONE;
-    strcpy(mAttributes.tags, "");
+
 }
 
 AudioTrack::AudioTrack(
@@ -271,21 +256,13 @@
         bool doNotReconnect,
         float maxRequiredSpeed,
         audio_port_handle_t selectedDeviceId)
-    : mStatus(NO_INIT),
-      mState(STATE_STOPPED),
-      mPreviousPriority(ANDROID_PRIORITY_NORMAL),
-      mPreviousSchedulingGroup(SP_DEFAULT),
-      mPausedPosition(0),
-      mAudioTrackCallback(new AudioTrackCallback())
 {
-    mAttributes = AUDIO_ATTRIBUTES_INITIALIZER;
-
     // make_unique does not aggregate init until c++20
-    mSetParams = std::unique_ptr<SetParams>{
-            new SetParams{streamType, sampleRate, format, channelMask, frameCount, flags, callback,
-                          notificationFrames, 0 /*sharedBuffer*/, false /*threadCanCallJava*/,
-                          sessionId, transferType, offloadInfo, attributionSource, pAttributes,
-                          doNotReconnect, maxRequiredSpeed, selectedDeviceId}};
+    mSetParams = std::make_unique<SetParams>(
+        streamType, sampleRate, format, channelMask, frameCount, flags, callback,
+        notificationFrames, nullptr /*sharedBuffer*/, false /*threadCanCallJava*/,
+        sessionId, transferType, offloadInfo, attributionSource, pAttributes,
+        doNotReconnect, maxRequiredSpeed, selectedDeviceId);
 }
 
 namespace {
diff --git a/media/libaudioclient/include/media/AudioTrack.h b/media/libaudioclient/include/media/AudioTrack.h
index 19780ae..3a001a4 100644
--- a/media/libaudioclient/include/media/AudioTrack.h
+++ b/media/libaudioclient/include/media/AudioTrack.h
@@ -257,9 +257,7 @@
     /* Constructs an uninitialized AudioTrack. No connection with
      * AudioFlinger takes place.  Use set() after this.
      */
-                        AudioTrack();
-
-                        AudioTrack(const AttributionSourceState& attributionSourceState);
+    explicit AudioTrack(const AttributionSourceState& attributionSourceState = {});
 
     /* Creates an AudioTrack object and registers it with AudioFlinger.
      * Once created, the track needs to be started before it can be used.
@@ -1312,11 +1310,11 @@
     sp<IMemory>             mSharedBuffer;
     transfer_type           mTransfer;
     audio_offload_info_t    mOffloadInfoCopy;
-    audio_attributes_t      mAttributes;
+    audio_attributes_t mAttributes = AUDIO_ATTRIBUTES_INITIALIZER;
 
     size_t                  mFrameSize;             // frame size in bytes
 
-    status_t                mStatus;
+    status_t mStatus = NO_INIT;
 
     // can change dynamically when IAudioTrack invalidated
     uint32_t                mLatency;               // in ms
@@ -1329,7 +1327,7 @@
         STATE_PAUSED_STOPPING,
         STATE_FLUSHED,
         STATE_STOPPING,
-    }                       mState;
+    } mState = STATE_STOPPED;
 
     static constexpr const char *stateToString(State state)
     {
@@ -1459,8 +1457,8 @@
 
     mutable Mutex           mLock;
 
-    int                     mPreviousPriority;          // before start()
-    SchedPolicy             mPreviousSchedulingGroup;
+    int mPreviousPriority = ANDROID_PRIORITY_NORMAL;  // before start()
+    SchedPolicy mPreviousSchedulingGroup = SP_DEFAULT;
     bool                    mAwaitBoost;    // thread should wait for priority boost before running
 
     // The proxy should only be referenced while a lock is held because the proxy isn't
@@ -1472,14 +1470,17 @@
     sp<AudioTrackClientProxy>       mProxy;         // primary owner of the memory
 
     bool                    mInUnderrun;            // whether track is currently in underrun state
-    uint32_t                mPausedPosition;
+    uint32_t mPausedPosition = 0;
 
     // For Device Selection API
     //  a value of AUDIO_PORT_HANDLE_NONE indicated default (AudioPolicyManager) routing.
-    audio_port_handle_t    mSelectedDeviceId; // Device requested by the application.
-    audio_port_handle_t    mRoutedDeviceId;   // Device actually selected by audio policy manager:
-                                              // May not match the app selection depending on other
-                                              // activity and connected devices.
+
+    // Device requested by the application.
+    audio_port_handle_t mSelectedDeviceId = AUDIO_PORT_HANDLE_NONE;
+
+    // Device actually selected by AudioPolicyManager: This may not match the app
+    // selection depending on other activity and connected devices.
+    audio_port_handle_t mRoutedDeviceId = AUDIO_PORT_HANDLE_NONE;
 
     sp<media::VolumeHandler>       mVolumeHandler;
 
@@ -1537,7 +1538,7 @@
         Mutex mAudioTrackCbLock;
         wp<media::IAudioTrackCallback> mCallback;
     };
-    sp<AudioTrackCallback> mAudioTrackCallback;
+    sp<AudioTrackCallback> mAudioTrackCallback = sp<AudioTrackCallback>::make();
 };
 
 }; // namespace android
diff --git a/media/libaudioclient/tests/audiotrack_tests.cpp b/media/libaudioclient/tests/audiotrack_tests.cpp
index 0282bd7..662a430 100644
--- a/media/libaudioclient/tests/audiotrack_tests.cpp
+++ b/media/libaudioclient/tests/audiotrack_tests.cpp
@@ -25,6 +25,21 @@
 
 using namespace android;
 
+// Test that the basic constructor returns an object that doesn't crash
+// on stop() or destruction.
+
+TEST(AudioTrackTestBasic, EmptyAudioTrack) {
+    AttributionSourceState attributionSource;
+    attributionSource.packageName = "AudioTrackTest";
+    attributionSource.uid = VALUE_OR_FATAL(legacy2aidl_uid_t_int32_t(getuid()));
+    attributionSource.pid = VALUE_OR_FATAL(legacy2aidl_pid_t_int32_t(getpid()));
+    attributionSource.token = sp<BBinder>::make();
+    const auto at = sp<AudioTrack>::make(attributionSource);
+
+    EXPECT_EQ(NO_INIT, at->initCheck());
+    EXPECT_EQ(true, at->stopped());
+}
+
 TEST(AudioTrackTest, TestPlayTrack) {
     const auto ap = sp<AudioPlayback>::make(44100 /* sampleRate */, AUDIO_FORMAT_PCM_16_BIT,
                                             AUDIO_CHANNEL_OUT_STEREO, AUDIO_OUTPUT_FLAG_NONE,