diff --git a/audio/aidl/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/sounddose/ISoundDose.aidl b/audio/aidl/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/sounddose/ISoundDose.aidl
index 3b5d2d0..5800091 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/sounddose/ISoundDose.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.core.sounddose/current/android/hardware/audio/core/sounddose/ISoundDose.aidl
@@ -34,8 +34,8 @@
 package android.hardware.audio.core.sounddose;
 @VintfStability
 interface ISoundDose {
-  void setOutputRs2(float rs2ValueDbA);
-  float getOutputRs2();
+  void setOutputRs2UpperBound(float rs2ValueDbA);
+  float getOutputRs2UpperBound();
   void registerSoundDoseCallback(in android.hardware.audio.core.sounddose.ISoundDose.IHalSoundDoseCallback callback);
   const int DEFAULT_MAX_RS2 = 100;
   const int MIN_RS2 = 80;
diff --git a/audio/aidl/android/hardware/audio/core/sounddose/ISoundDose.aidl b/audio/aidl/android/hardware/audio/core/sounddose/ISoundDose.aidl
index 953ab62..b442ac5 100644
--- a/audio/aidl/android/hardware/audio/core/sounddose/ISoundDose.aidl
+++ b/audio/aidl/android/hardware/audio/core/sounddose/ISoundDose.aidl
@@ -35,21 +35,21 @@
     const int MIN_RS2 = 80;
 
     /**
-     * Sets the RS2 value used for momentary exposure warnings. Default value is
+     * Sets the RS2 upper bound used for momentary exposure warnings. Default value is
      * DEFAULT_MAX_RS2 as specified in IEC62368-1 3rd edition.
      *
-     * @param rs2ValueDbA custom RS2 value to use. Must not be higher than DEFAULT_MAX_RS2
+     * @param rs2ValueDbA custom RS2 upper bound to use
      * @throws EX_ILLEGAL_ARGUMENT if rs2ValueDbA is greater than DEFAULT_MAX_RS2 or lower
-     *                             than 80dBA
+     *                             than MIN_RS2
      */
-    void setOutputRs2(float rs2ValueDbA);
+    void setOutputRs2UpperBound(float rs2ValueDbA);
 
     /**
-     * Gets the RS2 value used for momentary exposure warnings.
+     * Gets the RS2 upper bound used for momentary exposure warnings.
      *
-     * @return the RS2 value in dBA
+     * @return the RS2 upper bound in dBA
      */
-    float getOutputRs2();
+    float getOutputRs2UpperBound();
 
     /**
      * Registers the HAL callback for sound dose computation. If sound dose is supported
@@ -68,9 +68,9 @@
     @VintfStability
     oneway interface IHalSoundDoseCallback {
         /**
-         * Called whenever the current MEL value exceeds the set RS2 value.
+         * Called whenever the current MEL value exceeds the set RS2 upper bound.
          *
-         * @param currentDbA the current MEL value which exceeds the RS2 value
+         * @param currentDbA the current MEL value which exceeds the RS2 upper bound
          * @param audioDevice the audio device where the MEL exposure warning was recorded
          */
         void onMomentaryExposureWarning(float currentDbA, in AudioDevice audioDevice);
@@ -78,14 +78,15 @@
         @VintfStability
         parcelable MelRecord {
             /**
-             * Array of continuously recorded MEL values >= RS1 (1 per second).
+             * Array of continuously recorded MEL values >= MIN_RS2 (1 per second).
              * First value in the array was recorded at 'timestamp'.
              */
             float[] melValues;
             /**
-             * Corresponds to the time in seconds when the first MEL entry in melValues
-             * was recorded. The timestamp values have to be consistent throughout all
-             * audio ports, equal timestamp values will be aggregated.
+             * Corresponds to the time in seconds, as reported by CLOCK_MONOTONIC, when
+             * the first MEL entry in melValues was recorded. The timestamp values have
+             * to be consistent throughout all audio ports, equal timestamp values will
+             * be aggregated.
              */
             long timestamp;
         }
diff --git a/audio/aidl/default/SoundDose.cpp b/audio/aidl/default/SoundDose.cpp
index be9f93a..f12ce5d 100644
--- a/audio/aidl/default/SoundDose.cpp
+++ b/audio/aidl/default/SoundDose.cpp
@@ -22,7 +22,7 @@
 
 namespace aidl::android::hardware::audio::core::sounddose {
 
-ndk::ScopedAStatus SoundDose::setOutputRs2(float in_rs2ValueDbA) {
+ndk::ScopedAStatus SoundDose::setOutputRs2UpperBound(float in_rs2ValueDbA) {
     if (in_rs2ValueDbA < MIN_RS2 || in_rs2ValueDbA > DEFAULT_MAX_RS2) {
         LOG(ERROR) << __func__ << ": RS2 value is invalid: " << in_rs2ValueDbA;
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
@@ -32,7 +32,7 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ndk::ScopedAStatus SoundDose::getOutputRs2(float* _aidl_return) {
+ndk::ScopedAStatus SoundDose::getOutputRs2UpperBound(float* _aidl_return) {
     *_aidl_return = mRs2Value;
     LOG(DEBUG) << __func__ << ": returning " << *_aidl_return;
     return ndk::ScopedAStatus::ok();
diff --git a/audio/aidl/default/include/core-impl/SoundDose.h b/audio/aidl/default/include/core-impl/SoundDose.h
index 306aa04..2a069d9 100644
--- a/audio/aidl/default/include/core-impl/SoundDose.h
+++ b/audio/aidl/default/include/core-impl/SoundDose.h
@@ -29,8 +29,8 @@
   public:
     SoundDose() : mRs2Value(DEFAULT_MAX_RS2){};
 
-    ndk::ScopedAStatus setOutputRs2(float in_rs2ValueDbA) override;
-    ndk::ScopedAStatus getOutputRs2(float* _aidl_return) override;
+    ndk::ScopedAStatus setOutputRs2UpperBound(float in_rs2ValueDbA) override;
+    ndk::ScopedAStatus getOutputRs2UpperBound(float* _aidl_return) override;
     ndk::ScopedAStatus registerSoundDoseCallback(
             const std::shared_ptr<ISoundDose::IHalSoundDoseCallback>& in_callback) override;
 
diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index 5d522a3..e790d4f 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -3543,26 +3543,27 @@
             << "getSoundDose must return the same interface instance across invocations";
 }
 
-TEST_P(AudioCoreSoundDose, GetSetOutputRs2) {
+TEST_P(AudioCoreSoundDose, GetSetOutputRs2UpperBound) {
     if (soundDose == nullptr) {
         GTEST_SKIP() << "SoundDose is not supported";
     }
 
     bool isSupported = false;
-    EXPECT_NO_FATAL_FAILURE(TestAccessors<float>(soundDose.get(), &ISoundDose::getOutputRs2,
-                                                 &ISoundDose::setOutputRs2,
+    EXPECT_NO_FATAL_FAILURE(TestAccessors<float>(soundDose.get(),
+                                                 &ISoundDose::getOutputRs2UpperBound,
+                                                 &ISoundDose::setOutputRs2UpperBound,
                                                  /*validValues=*/{80.f, 90.f, 100.f},
                                                  /*invalidValues=*/{79.f, 101.f}, &isSupported));
-    EXPECT_TRUE(isSupported) << "Getting/Setting RS2 must be supported";
+    EXPECT_TRUE(isSupported) << "Getting/Setting RS2 upper bound must be supported";
 }
 
-TEST_P(AudioCoreSoundDose, CheckDefaultRs2Value) {
+TEST_P(AudioCoreSoundDose, CheckDefaultRs2UpperBound) {
     if (soundDose == nullptr) {
         GTEST_SKIP() << "SoundDose is not supported";
     }
 
     float rs2Value;
-    ASSERT_IS_OK(soundDose->getOutputRs2(&rs2Value));
+    ASSERT_IS_OK(soundDose->getOutputRs2UpperBound(&rs2Value));
     EXPECT_EQ(rs2Value, ISoundDose::DEFAULT_MAX_RS2);
 }