diff --git a/libraries/common/src/main/java/androidx/media3/common/audio/AudioProcessorChain.java b/libraries/common/src/main/java/androidx/media3/common/audio/AudioProcessorChain.java
index 0c776c727f..2328044be7 100644
--- a/libraries/common/src/main/java/androidx/media3/common/audio/AudioProcessorChain.java
+++ b/libraries/common/src/main/java/androidx/media3/common/audio/AudioProcessorChain.java
@@ -15,6 +15,7 @@
  */
 package androidx.media3.common.audio;
 
+import androidx.media3.common.Format;
 import androidx.media3.common.PlaybackParameters;
 import androidx.media3.common.util.UnstableApi;
 
@@ -33,7 +34,7 @@ public interface AudioProcessorChain {
    * during initialization, but audio processors may change state to become active/inactive during
    * playback.
    */
-  AudioProcessor[] getAudioProcessors();
+  AudioProcessor[] getAudioProcessors(Format inputFormat);
 
   /**
    * Configures audio processors to apply the specified playback parameters immediately, returning
@@ -50,7 +51,7 @@ public interface AudioProcessorChain {
    * value. Only called when processors have no input pending.
    *
    * @param skipSilenceEnabled Whether silences should be skipped in the audio stream.
-   * @return The new value.
+   * @return The value that was actually applied.
    */
   boolean applySkipSilenceEnabled(boolean skipSilenceEnabled);
 
diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/DefaultRenderersFactory.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/DefaultRenderersFactory.java
index c7a64e21c5..78c80918ca 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/DefaultRenderersFactory.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/DefaultRenderersFactory.java
@@ -233,8 +233,8 @@ public final DefaultRenderersFactory setMediaCodecSelector(
   /**
    * Sets whether floating point audio should be output when possible.
    *
-   * <p>Enabling floating point output disables audio processing, but may allow for higher quality
-   * audio output.
+   * <p>Enabling floating point output disables the default audio processing chain, but may allow
+   * for higher quality audio output.
    *
    * <p>The default value is {@code false}.
    *
diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
index cedf500c07..9cd8d9b8fe 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java
@@ -152,10 +152,14 @@ public interface AudioProcessorChain extends androidx.media3.common.audio.AudioP
   /**
    * The default audio processor chain, which applies a (possibly empty) chain of user-defined audio
    * processors followed by {@link SilenceSkippingAudioProcessor} and {@link SonicAudioProcessor}.
+   *
+   * <p>For backwards compatibility, no audio processors will be applied for PCM encodings other
+   * than 16-bit integer.
    */
   @SuppressWarnings("deprecation")
   public static class DefaultAudioProcessorChain implements AudioProcessorChain {
 
+    private boolean formatSupported = false;
     private final AudioProcessor[] audioProcessors;
     private final SilenceSkippingAudioProcessor silenceSkippingAudioProcessor;
     private final SonicAudioProcessor sonicAudioProcessor;
@@ -192,12 +196,22 @@ public DefaultAudioProcessorChain(
     }
 
     @Override
-    public AudioProcessor[] getAudioProcessors() {
+    public AudioProcessor[] getAudioProcessors(Format inputFormat) {
+      if (inputFormat.pcmEncoding != C.ENCODING_PCM_16BIT) {
+        formatSupported = false;
+        return new AudioProcessor[0];
+      }
+      formatSupported = true;
       return audioProcessors;
     }
 
     @Override
     public PlaybackParameters applyPlaybackParameters(PlaybackParameters playbackParameters) {
+      if (!formatSupported) {
+        // We don't apply speed/pitch adjustment using an audio processor when outputting
+        // high-resolution PCM audio, because SonicAudioProcessor outputs 16-bit integer PCM.
+        return PlaybackParameters.DEFAULT;
+      }
       sonicAudioProcessor.setSpeed(playbackParameters.speed);
       sonicAudioProcessor.setPitch(playbackParameters.pitch);
       return playbackParameters;
@@ -205,6 +219,11 @@ public PlaybackParameters applyPlaybackParameters(PlaybackParameters playbackPar
 
     @Override
     public boolean applySkipSilenceEnabled(boolean skipSilenceEnabled) {
+      if (!formatSupported) {
+        // We don't skip silence using an audio processor when outputting high-resolution PCM audio,
+        // because SilenceSkippingAudioProcessor only supports 16-bit integer PCM.
+        return false;
+      }
       silenceSkippingAudioProcessor.setEnabled(skipSilenceEnabled);
       return skipSilenceEnabled;
     }
@@ -749,13 +768,16 @@ public void configure(AudioSinkConfig audioSinkConfig) throws ConfigurationExcep
       inputPcmFrameSize = Util.getPcmFrameSize(inputFormat.pcmEncoding, inputFormat.channelCount);
 
       ImmutableList.Builder<AudioProcessor> pipelineProcessors = new ImmutableList.Builder<>();
+      Format chainInputFormat;
       pipelineProcessors.addAll(availableAudioProcessors);
       if (shouldUseFloatOutput(inputFormat.pcmEncoding)) {
         pipelineProcessors.add(toFloatPcmAudioProcessor);
+        chainInputFormat = inputFormat.buildUpon().setPcmEncoding(C.ENCODING_PCM_FLOAT).build();
       } else {
         pipelineProcessors.add(toInt16PcmAudioProcessor);
-        pipelineProcessors.add(audioProcessorChain.getAudioProcessors());
+        chainInputFormat = inputFormat.buildUpon().setPcmEncoding(C.ENCODING_PCM_16BIT).build();
       }
+      pipelineProcessors.add(audioProcessorChain.getAudioProcessors(chainInputFormat));
       audioProcessingPipeline = new AudioProcessingPipeline(pipelineProcessors.build());
 
       // If the underlying processors of the new pipeline are the same as the existing pipeline,
@@ -1663,13 +1685,10 @@ private boolean shouldApplyAudioProcessorPlaybackParameters() {
     // We don't apply speed/pitch adjustment using an audio processor in the following cases:
     // - in tunneling mode, because audio processing can change the duration of audio yet the video
     //   frame presentation times are currently not modified (see also
-    //   https://github.com/google/ExoPlayer/issues/4803);
+    //   https://github.com/google/ExoPlayer/issues/4803); and
     // - when playing encoded audio via passthrough/offload, because modifying the audio stream
-    //   would require decoding/re-encoding; and
-    // - when outputting float PCM audio, because SonicAudioProcessor outputs 16-bit integer PCM.
-    return !tunneling
-        && configuration.isPcm()
-        && !shouldUseFloatOutput(configuration.inputFormat.pcmEncoding);
+    //   would require decoding/re-encoding.
+    return !tunneling && configuration.isPcm();
   }
 
   private boolean useAudioOutputPlaybackParams() {
diff --git a/libraries/exoplayer/src/test/java/androidx/media3/exoplayer/audio/DefaultAudioSinkTest.java b/libraries/exoplayer/src/test/java/androidx/media3/exoplayer/audio/DefaultAudioSinkTest.java
index 7d5237aafa..56cea39f07 100644
--- a/libraries/exoplayer/src/test/java/androidx/media3/exoplayer/audio/DefaultAudioSinkTest.java
+++ b/libraries/exoplayer/src/test/java/androidx/media3/exoplayer/audio/DefaultAudioSinkTest.java
@@ -130,7 +130,7 @@ public void handlesBuffer_updatesPositionUsingAudioProcessorChain() throws Excep
             .setAudioProcessorChain(
                 new AudioProcessorChain() {
                   @Override
-                  public AudioProcessor[] getAudioProcessors() {
+                  public AudioProcessor[] getAudioProcessors(Format inputFormat) {
                     return new AudioProcessor[0];
                   }