diff --git a/audio/v1_0/BUILD.gn b/audio/v1_0/BUILD.gn
index 4a7bb68f24c3082538390732431c2645030e85b2..545cbc2815617a7f4c90149d0725c580b325eeca 100644
--- a/audio/v1_0/BUILD.gn
+++ b/audio/v1_0/BUILD.gn
@@ -23,12 +23,12 @@ if (defined(ohos_lite)) {
     module_name = "audio_service"
 
     sources = [
-      "AudioAdapter.idl",
-      "AudioCallback.idl",
-      "AudioCapture.idl",
-      "AudioManager.idl",
-      "AudioRender.idl",
       "AudioTypes.idl",
+      "IAudioAdapter.idl",
+      "IAudioCallback.idl",
+      "IAudioCapture.idl",
+      "IAudioManager.idl",
+      "IAudioRender.idl",
     ]
 
     language = "c"
diff --git a/audio/v1_0/AudioAdapter.idl b/audio/v1_0/IAudioAdapter.idl
similarity index 83%
rename from audio/v1_0/AudioAdapter.idl
rename to audio/v1_0/IAudioAdapter.idl
index 27cfa1f6eccd9939e58257ce3c581980fd23c64e..2958f8664705b5e01e4392fef8447e01914be193 100644
--- a/audio/v1_0/AudioAdapter.idl
+++ b/audio/v1_0/IAudioAdapter.idl
@@ -16,14 +16,14 @@
 package ohos.hdi.audio.v1_0;
 
 import ohos.hdi.audio.v1_0.AudioTypes;
-import ohos.hdi.audio.v1_0.AudioRender;
-import ohos.hdi.audio.v1_0.AudioCapture;
+import ohos.hdi.audio.v1_0.IAudioRender;
+import ohos.hdi.audio.v1_0.IAudioCapture;
 
-interface AudioAdapter {
+interface IAudioAdapter {
     InitAllPorts();
-    CreateRender([in] struct AudioDeviceDescriptor desc, [in] struct AudioSampleAttributes attrs, [out] AudioRender render);
+    CreateRender([in] struct AudioDeviceDescriptor desc, [in] struct AudioSampleAttributes attrs, [out] IAudioRender render);
     DestroyRender();
-    CreateCapture([in] struct AudioDeviceDescriptor desc, [in] struct AudioSampleAttributes attrs, [out] AudioCapture capture);
+    CreateCapture([in] struct AudioDeviceDescriptor desc, [in] struct AudioSampleAttributes attrs, [out] IAudioCapture capture);
     DestroyCapture();
     GetPortCapability([in] struct AudioPort port, [out] struct AudioPortCapability capability);
     SetPassthroughMode([in] struct AudioPort port, [in] enum AudioPortPassthroughMode mode);
@@ -36,5 +36,5 @@ interface AudioAdapter {
     SetVoiceVolume([in] float volume);
     SetExtraParams([in] enum AudioExtParamKey key, [in] String condition, [in] String value);
     GetExtraParams([in] enum AudioExtParamKey key, [in] String condition, [out] String value);
-    RegExtraParamObserver([in] AudioCallback audioCallback, [in] byte cookie);
+    RegExtraParamObserver([in] IAudioCallback audioCallback, [in] byte cookie);
 }
diff --git a/audio/v1_0/AudioCallback.idl b/audio/v1_0/IAudioCallback.idl
similarity index 98%
rename from audio/v1_0/AudioCallback.idl
rename to audio/v1_0/IAudioCallback.idl
index 4f77094abb433cc7e6738c5a458678d7e6903c44..8b8547c36930553a107ac56409fd74d54c4b2322 100644
--- a/audio/v1_0/AudioCallback.idl
+++ b/audio/v1_0/IAudioCallback.idl
@@ -40,7 +40,7 @@ import ohos.hdi.audio.v1_0.AudioTypes;
  * @return Returns <b>0</b> if the callback is successfully executed; returns a negative value otherwise.
  * @see RegCallback
  */
-[callback] interface AudioCallback {
+[callback] interface IAudioCallback {
     RenderCallback([in] enum AudioCallbackType type, [out] byte reserved, [out] byte cookie);
     ParamCallback([in] enum AudioExtParamKey key, [in] byte condition, [in] byte value, [out] byte reserved, [out] byte cookie);
 }
diff --git a/audio/v1_0/AudioCapture.idl b/audio/v1_0/IAudioCapture.idl
similarity index 98%
rename from audio/v1_0/AudioCapture.idl
rename to audio/v1_0/IAudioCapture.idl
index 2bda2bc52ce004e15e040caf610ff4adce7ec838..f93858e9d340f1486af4c3879f51a4df291be147 100644
--- a/audio/v1_0/AudioCapture.idl
+++ b/audio/v1_0/IAudioCapture.idl
@@ -17,7 +17,7 @@ package ohos.hdi.audio.v1_0;
 
 import ohos.hdi.audio.v1_0.AudioTypes;
 
-interface AudioCapture {
+interface IAudioCapture {
     CaptureFrame([out] byte[] frame, [in] unsigned long requestBytes);
     GetCapturePosition([out] unsigned long frames, [out] struct AudioTimeStamp time);
     CheckSceneCapability([in] struct AudioSceneDescriptor scene, [out] boolean supported);
diff --git a/audio/v1_0/AudioManager.idl b/audio/v1_0/IAudioManager.idl
similarity index 84%
rename from audio/v1_0/AudioManager.idl
rename to audio/v1_0/IAudioManager.idl
index 47c25540b13bee6c34590649488de2eb130047a7..f868abf409ce6ad4d5d6894e1400a5d2ba05e579 100644
--- a/audio/v1_0/AudioManager.idl
+++ b/audio/v1_0/IAudioManager.idl
@@ -16,11 +16,11 @@
 package ohos.hdi.audio.v1_0;
 
 import ohos.hdi.audio.v1_0.AudioTypes;
-import ohos.hdi.audio.v1_0.AudioAdapter;
+import ohos.hdi.audio.v1_0.IAudioAdapter;
 
-interface AudioManager {
+interface IAudioManager {
     GetAllAdapters([out] struct AudioAdapterDescriptor[] descs);
-    LoadAdapter([in] struct AudioAdapterDescriptor desc, [out] AudioAdapter adapter);
+    LoadAdapter([in] struct AudioAdapterDescriptor desc, [out] IAudioAdapter adapter);
     UnloadAdapter([in] String adapterName);
     ReleaseAudioManagerObject();
 }
diff --git a/audio/v1_0/AudioRender.idl b/audio/v1_0/IAudioRender.idl
similarity index 94%
rename from audio/v1_0/AudioRender.idl
rename to audio/v1_0/IAudioRender.idl
index 7ce4279f6a5ebe788e9582602f504a2a74efb9ab..0512b474d60912a8b1bb2b95a85189157731f2cb 100644
--- a/audio/v1_0/AudioRender.idl
+++ b/audio/v1_0/IAudioRender.idl
@@ -16,9 +16,9 @@
 package ohos.hdi.audio.v1_0;
 
 import ohos.hdi.audio.v1_0.AudioTypes;
-import ohos.hdi.audio.v1_0.AudioCallback;
+import ohos.hdi.audio.v1_0.IAudioCallback;
 
-interface AudioRender {
+interface IAudioRender {
     GetLatency([out] unsigned int ms);
     RenderFrame([in] byte[] frame, [out] unsigned long replyBytes);
     GetRenderPosition([out] unsigned long frames, [out] struct AudioTimeStamp time);
@@ -26,7 +26,7 @@ interface AudioRender {
     GetRenderSpeed([out] float speed);
     SetChannelMode([in] enum AudioChannelMode mode);
     GetChannelMode([out] enum AudioChannelMode mode);
-    RegCallback([in] AudioCallback audioCallback, [in] byte cookie);
+    RegCallback([in] IAudioCallback audioCallback, [in] byte cookie);
     DrainBuffer([out] enum AudioDrainNotifyType type);
     IsSupportsDrain([out] boolean support);
     CheckSceneCapability([in] struct AudioSceneDescriptor scene, [out] boolean supported);