diff --git a/core/java/android/service/voice/HotwordDetectedResult.java b/core/java/android/service/voice/HotwordDetectedResult.java
index a1c5593579c66..ff6dffdaaf5d5 100644
--- a/core/java/android/service/voice/HotwordDetectedResult.java
+++ b/core/java/android/service/voice/HotwordDetectedResult.java
@@ -293,6 +293,9 @@ public final class HotwordDetectedResult implements Parcelable {
      *
      * <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
      * and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
+     *
+     * <p> This value is unitless. The relation between this value and the real audio signal
+     * power measured in decibels depends on the hotword detection service implementation.
      */
     private final int mBackgroundAudioPower;
     private static int defaultBackgroundAudioPower() {
@@ -749,6 +752,9 @@ public final class HotwordDetectedResult implements Parcelable {
      *
      * <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
      * and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
+     *
+     * <p> This value is unitless. The relation between this value and the real audio signal
+     * power measured in decibels depends on the hotword detection service implementation.
      */
     @DataClass.Generated.Member
     public int getBackgroundAudioPower() {
@@ -1090,6 +1096,9 @@ public final class HotwordDetectedResult implements Parcelable {
          *
          * <p> Only values between 0 and {@link #getMaxBackgroundAudioPower} (inclusive)
          * and the special value {@link #BACKGROUND_AUDIO_POWER_UNSET} are valid.
+         *
+         * <p> This value is unitless. The relation between this value and the real audio signal
+         * power measured in decibels depends on the hotword detection service implementation.
          */
         @DataClass.Generated.Member
         public @NonNull Builder setBackgroundAudioPower(int value) {
@@ -1165,7 +1174,7 @@ public final class HotwordDetectedResult implements Parcelable {
     }
 
     @DataClass.Generated(
-            time = 1679081102676L,
+            time = 1679517179528L,
             codegenVersion = "1.0.23",
             sourceFile = "frameworks/base/core/java/android/service/voice/HotwordDetectedResult.java",
             inputSignatures = "public static final  int CONFIDENCE_LEVEL_NONE\npublic static final  int CONFIDENCE_LEVEL_LOW\npublic static final  int CONFIDENCE_LEVEL_LOW_MEDIUM\npublic static final  int CONFIDENCE_LEVEL_MEDIUM\npublic static final  int CONFIDENCE_LEVEL_MEDIUM_HIGH\npublic static final  int CONFIDENCE_LEVEL_HIGH\npublic static final  int CONFIDENCE_LEVEL_VERY_HIGH\npublic static final  int HOTWORD_OFFSET_UNSET\npublic static final  int AUDIO_CHANNEL_UNSET\npublic static final  int BACKGROUND_AUDIO_POWER_UNSET\nprivate static final  int LIMIT_HOTWORD_OFFSET_MAX_VALUE\nprivate static final  int LIMIT_AUDIO_CHANNEL_MAX_VALUE\nprivate static final  java.lang.String EXTRA_PROXIMITY\npublic static final  int PROXIMITY_UNKNOWN\npublic static final  int PROXIMITY_NEAR\npublic static final  int PROXIMITY_FAR\nprivate final @android.service.voice.HotwordDetectedResult.HotwordConfidenceLevelValue int mConfidenceLevel\nprivate @android.annotation.Nullable android.media.MediaSyncEvent mMediaSyncEvent\nprivate  int mHotwordOffsetMillis\nprivate  int mHotwordDurationMillis\nprivate  int mAudioChannel\nprivate  boolean mHotwordDetectionPersonalized\nprivate final  int mScore\nprivate final  int mPersonalizedScore\nprivate final  int mHotwordPhraseId\nprivate final @android.annotation.NonNull java.util.List<android.service.voice.HotwordAudioStream> mAudioStreams\nprivate final @android.annotation.NonNull android.os.PersistableBundle mExtras\nprivate static  int sMaxBundleSize\nprivate final  int mBackgroundAudioPower\nprivate static  int defaultConfidenceLevel()\nprivate static  int defaultScore()\nprivate static  int defaultPersonalizedScore()\npublic static  int getMaxScore()\nprivate static  int defaultHotwordPhraseId()\npublic static  int getMaxHotwordPhraseId()\nprivate static  java.util.List<android.service.voice.HotwordAudioStream> defaultAudioStreams()\nprivate static  android.os.PersistableBundle defaultExtras()\npublic static  int getMaxBundleSize()\npublic @android.annotation.Nullable android.media.MediaSyncEvent getMediaSyncEvent()\nprivate static  int defaultBackgroundAudioPower()\npublic static  int getMaxBackgroundAudioPower()\npublic static  int getParcelableSize(android.os.Parcelable)\npublic static  int getUsageSize(android.service.voice.HotwordDetectedResult)\nprivate static  int bitCount(long)\nprivate  void onConstructed()\npublic @android.annotation.NonNull java.util.List<android.service.voice.HotwordAudioStream> getAudioStreams()\npublic  void setProximity(double)\npublic @android.service.voice.HotwordDetectedResult.ProximityValue int getProximity()\nprivate @android.service.voice.HotwordDetectedResult.ProximityValue int convertToProximityLevel(double)\npublic  android.service.voice.HotwordDetectedResult.Builder buildUpon()\nclass HotwordDetectedResult extends java.lang.Object implements [android.os.Parcelable]\npublic @android.annotation.NonNull android.service.voice.HotwordDetectedResult.Builder setAudioStreams(java.util.List<android.service.voice.HotwordAudioStream>)\nclass BaseBuilder extends java.lang.Object implements []\n@com.android.internal.util.DataClass(genConstructor=false, genBuilder=true, genEqualsHashCode=true, genHiddenConstDefs=true, genParcelable=true, genToString=true)\npublic @android.annotation.NonNull android.service.voice.HotwordDetectedResult.Builder setAudioStreams(java.util.List<android.service.voice.HotwordAudioStream>)\nclass BaseBuilder extends java.lang.Object implements []")