diff --git a/android/media/AudioFocusRequest.java b/android/media/AudioFocusRequest.java
index de59ac3..7104dad 100644
--- a/android/media/AudioFocusRequest.java
+++ b/android/media/AudioFocusRequest.java
@@ -20,6 +20,7 @@
 import android.annotation.Nullable;
 import android.annotation.SystemApi;
 import android.media.AudioManager.OnAudioFocusChangeListener;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 
@@ -220,6 +221,9 @@
     private final static AudioAttributes FOCUS_DEFAULT_ATTR = new AudioAttributes.Builder()
             .setUsage(AudioAttributes.USAGE_MEDIA).build();
 
+    /** @hide */
+    public static final String KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING = "a11y_force_ducking";
+
     private final OnAudioFocusChangeListener mFocusListener; // may be null
     private final Handler mListenerHandler;                  // may be null
     private final AudioAttributes mAttr;                     // never null
@@ -349,6 +353,7 @@
         private boolean mPausesOnDuck = false;
         private boolean mDelayedFocus = false;
         private boolean mFocusLocked = false;
+        private boolean mA11yForceDucking = false;
 
         /**
          * Constructs a new {@code Builder}, and specifies how audio focus
@@ -526,6 +531,21 @@
         }
 
         /**
+         * Marks this focus request as forcing ducking, regardless of the conditions in which
+         * the system would or would not enforce ducking.
+         * Forcing ducking will only be honored when requesting AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK
+         * with an {@link AudioAttributes} usage of
+         * {@link AudioAttributes#USAGE_ASSISTANCE_ACCESSIBILITY}, coming from an accessibility
+         * service, and will be ignored otherwise.
+         * @param forceDucking {@code true} to force ducking
+         * @return this {@code Builder} instance
+         */
+        public @NonNull Builder setForceDucking(boolean forceDucking) {
+            mA11yForceDucking = forceDucking;
+            return this;
+        }
+
+        /**
          * Builds a new {@code AudioFocusRequest} instance combining all the information gathered
          * by this {@code Builder}'s configuration methods.
          * @return the {@code AudioFocusRequest} instance qualified by all the properties set
@@ -538,6 +558,17 @@
                 throw new IllegalStateException(
                         "Can't use delayed focus or pause on duck without a listener");
             }
+            if (mA11yForceDucking) {
+                final Bundle extraInfo;
+                if (mAttr.getBundle() == null) {
+                    extraInfo = new Bundle();
+                } else {
+                    extraInfo = mAttr.getBundle();
+                }
+                // checking of usage and focus request is done server side
+                extraInfo.putBoolean(KEY_ACCESSIBILITY_FORCE_FOCUS_DUCKING, true);
+                mAttr = new AudioAttributes.Builder(mAttr).addBundle(extraInfo).build();
+            }
             final int flags = 0
                     | (mDelayedFocus ? AudioManager.AUDIOFOCUS_FLAG_DELAY_OK : 0)
                     | (mPausesOnDuck ? AudioManager.AUDIOFOCUS_FLAG_PAUSES_ON_DUCKABLE_LOSS : 0)