diff --git a/api/@ohos.multimedia.audio.d.ts b/api/@ohos.multimedia.audio.d.ts
index 0704102f7a0e3608e56ea10d6015552fcc0c3a68..6a134226d4c25d016e3a50e0715860eee7f4cec3 100644
--- a/api/@ohos.multimedia.audio.d.ts
+++ b/api/@ohos.multimedia.audio.d.ts
@@ -535,6 +535,12 @@ declare namespace audio {
      * @syscap SystemCapability.Multimedia.Audio.Core
      */
     STREAM_USAGE_VOICE_COMMUNICATION = 2,
+    /**
+     * Voice assistant broadcast usage.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Core
+     */
+    STREAM_USAGE_VOICE_ASSISTANT = 3,
     /**
      * Notification or ringtone usage.
      * @since 7
@@ -1399,6 +1405,20 @@ declare namespace audio {
      * @syscap SystemCapability.Multimedia.Audio.Renderer
      */
     getStreamInfo(): Promise<AudioStreamInfo>;
+    /**
+     * Obtains the renderer stream id. This method uses an asynchronous callback to return the result.
+     * @param callback Callback used to return the stream id.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Renderer
+     */
+    getAudioStreamId(callback: AsyncCallback<number>): void;
+    /**
+     * Obtains the renderer stream id. This method uses a promise to return the result.
+     * @return Promise used to return the stream id.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Renderer
+     */
+    getAudioStreamId(): Promise<number>;
     /**
      * Starts the renderer. This method uses an asynchronous callback to return the result.
      * @param callback Callback used to return the result.
@@ -1612,6 +1632,12 @@ declare namespace audio {
      * @syscap SystemCapability.Multimedia.Audio.Core
      */
     SOURCE_TYPE_MIC = 0,
+    /**
+     * Voice recognition source type.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Core
+     */
+    SOURCE_TYPE_VOICE_RECOGNITION = 1,
     /**
      * Voice communication source type.
      * @since 8
@@ -1704,6 +1730,21 @@ declare namespace audio {
      */
     getStreamInfo(): Promise<AudioStreamInfo>;
 
+    /**
+     * Obtains the capturer stream id. This method uses an asynchronous callback to return the result.
+     * @param callback Callback used to return the stream id.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Renderer
+     */
+    getAudioStreamId(callback: AsyncCallback<number>): void;
+    /**
+     * Obtains the capturer stream id. This method uses a promise to return the result.
+     * @return Promise used to return the stream id.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Audio.Renderer
+     */
+    getAudioStreamId(): Promise<number>;
+
     /**
      * Starts capturing. This method uses an asynchronous callback to return the result.
      * @param callback Callback used to return the result.