diff --git a/media/libaudioclient/AidlConversion.cpp b/media/libaudioclient/AidlConversion.cpp
index 1ff4678..4c0db3e 100644
--- a/media/libaudioclient/AidlConversion.cpp
+++ b/media/libaudioclient/AidlConversion.cpp
@@ -2127,4 +2127,78 @@
     return convertReinterpret<int32_t>(legacy);
 }
 
+ConversionResult<audio_dual_mono_mode_t>
+aidl2legacy_AudioDualMonoMode_audio_dual_mono_mode_t(media::AudioDualMonoMode aidl) {
+    switch (aidl) {
+        case media::AudioDualMonoMode::OFF:
+            return AUDIO_DUAL_MONO_MODE_OFF;
+        case media::AudioDualMonoMode::LR:
+            return AUDIO_DUAL_MONO_MODE_LR;
+        case media::AudioDualMonoMode::LL:
+            return AUDIO_DUAL_MONO_MODE_LL;
+        case media::AudioDualMonoMode::RR:
+            return AUDIO_DUAL_MONO_MODE_RR;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<media::AudioDualMonoMode>
+legacy2aidl_audio_dual_mono_mode_t_AudioDualMonoMode(audio_dual_mono_mode_t legacy) {
+    switch (legacy) {
+        case AUDIO_DUAL_MONO_MODE_OFF:
+            return media::AudioDualMonoMode::OFF;
+        case AUDIO_DUAL_MONO_MODE_LR:
+            return media::AudioDualMonoMode::LR;
+        case AUDIO_DUAL_MONO_MODE_LL:
+            return media::AudioDualMonoMode::LL;
+        case AUDIO_DUAL_MONO_MODE_RR:
+            return media::AudioDualMonoMode::RR;
+    }
+    return unexpected(BAD_VALUE);
+}
+
+ConversionResult<audio_timestretch_fallback_mode_t>
+aidl2legacy_int32_t_audio_timestretch_fallback_mode_t(int32_t aidl) {
+    return convertReinterpret<audio_timestretch_fallback_mode_t>(aidl);
+}
+
+ConversionResult<int32_t>
+legacy2aidl_audio_timestretch_fallback_mode_t_int32_t(audio_timestretch_fallback_mode_t legacy) {
+    return convertReinterpret<int32_t>(legacy);
+}
+
+ConversionResult<audio_timestretch_stretch_mode_t>
+aidl2legacy_int32_t_audio_timestretch_stretch_mode_t(int32_t aidl) {
+    return convertReinterpret<audio_timestretch_stretch_mode_t>(aidl);
+}
+
+ConversionResult<int32_t>
+legacy2aidl_audio_timestretch_stretch_mode_t_int32_t(audio_timestretch_stretch_mode_t legacy) {
+    return convertReinterpret<int32_t>(legacy);
+}
+
+ConversionResult<audio_playback_rate_t>
+aidl2legacy_AudioPlaybackRate_audio_playback_rate_t(const media::AudioPlaybackRate& aidl) {
+    audio_playback_rate_t legacy;
+    legacy.mSpeed = aidl.speed;
+    legacy.mPitch = aidl.pitch;
+    legacy.mFallbackMode = VALUE_OR_RETURN(
+            aidl2legacy_int32_t_audio_timestretch_fallback_mode_t(aidl.fallbackMode));
+    legacy.mStretchMode = VALUE_OR_RETURN(
+            aidl2legacy_int32_t_audio_timestretch_stretch_mode_t(aidl.stretchMode));
+    return legacy;
+}
+
+ConversionResult<media::AudioPlaybackRate>
+legacy2aidl_audio_playback_rate_t_AudioPlaybackRate(const audio_playback_rate_t& legacy) {
+    media::AudioPlaybackRate aidl;
+    aidl.speed = legacy.mSpeed;
+    aidl.pitch = legacy.mPitch;
+    aidl.fallbackMode = VALUE_OR_RETURN(
+            legacy2aidl_audio_timestretch_fallback_mode_t_int32_t(legacy.mFallbackMode));
+    aidl.stretchMode = VALUE_OR_RETURN(
+            legacy2aidl_audio_timestretch_stretch_mode_t_int32_t(legacy.mStretchMode));
+    return aidl;
+}
+
 }  // namespace android