diff --git a/packages/av-cliper/src/combinator.ts b/packages/av-cliper/src/combinator.ts
index 197b6966..7d0240f7 100644
--- a/packages/av-cliper/src/combinator.ts
+++ b/packages/av-cliper/src/combinator.ts
@@ -1,7 +1,7 @@
-import { Log, EventTool, file2stream, recodemux } from '@webav/internal-utils';
-import { OffscreenSprite } from './sprite/offscreen-sprite';
+import { EventTool, file2stream, Log, recodemux } from '@webav/internal-utils';
 import { sleep } from './av-utils';
 import { DEFAULT_AUDIO_CONF } from './clips';
+import { OffscreenSprite } from './sprite/offscreen-sprite';
 
 export interface ICombinatorOpts {
   width?: number;
@@ -10,6 +10,8 @@ export interface ICombinatorOpts {
   fps?: number;
   bgColor?: string;
   videoCodec?: string;
+  audioCodec?: 'opus' | 'aac';
+  opusConfig?: object;
   /**
    * false 合成的视频文件中排除音轨
    */
@@ -66,6 +68,8 @@ export class Combinator {
   static async isSupported(
     args: {
       videoCodec?: string;
+      audioCodec?: string;
+      hardwareAcceleration?: HardwarePreference;
       width?: number;
       height?: number;
       bitrate?: number;
@@ -82,6 +86,7 @@ export class Combinator {
         ((
           await self.VideoEncoder.isConfigSupported({
             codec: args.videoCodec ?? 'avc1.42E032',
+            hardwareAcceleration: args.hardwareAcceleration ?? 'no-preference',
             width: args.width ?? 1920,
             height: args.height ?? 1080,
             bitrate: args.bitrate ?? 7e6,
@@ -90,7 +95,7 @@ export class Combinator {
           false) &&
         (
           await self.AudioEncoder.isConfigSupported({
-            codec: DEFAULT_AUDIO_CONF.codec,
+            codec: args.audioCodec ?? DEFAULT_AUDIO_CONF.codec,
             sampleRate: DEFAULT_AUDIO_CONF.sampleRate,
             numberOfChannels: DEFAULT_AUDIO_CONF.channelCount,
           })
@@ -139,6 +144,8 @@ export class Combinator {
         width: 0,
         height: 0,
         videoCodec: 'avc1.42E032',
+        audioCodec: 'aac',
+        opusConfig: {},
         audio: true,
         bitrate: 5e6,
         fps: 30,
@@ -177,8 +184,17 @@ export class Combinator {
   }
 
   #startRecodeMux(duration: number) {
-    const { fps, width, height, videoCodec, bitrate, audio, metaDataTags } =
-      this.#opts;
+    const {
+      fps,
+      width,
+      height,
+      videoCodec,
+      audioCodec,
+      opusConfig,
+      bitrate,
+      audio,
+      metaDataTags,
+    } = this.#opts;
     const recodeMuxer = recodemux({
       video: this.#hasVideoTrack
         ? {
@@ -195,7 +211,8 @@ export class Combinator {
         audio === false
           ? null
           : {
-              codec: 'aac',
+              codec: audioCodec,
+              opusConfig: opusConfig,
               sampleRate: DEFAULT_AUDIO_CONF.sampleRate,
               channelCount: DEFAULT_AUDIO_CONF.channelCount,
             },
diff --git a/packages/internal-utils/src/recodemux.ts b/packages/internal-utils/src/recodemux.ts
index 6c30965c..c093ea55 100644
--- a/packages/internal-utils/src/recodemux.ts
+++ b/packages/internal-utils/src/recodemux.ts
@@ -29,6 +29,7 @@ interface IRecodeMuxOpts {
    */
   audio: {
     codec: 'opus' | 'aac';
+    opusConfig: object;
     sampleRate: number;
     channelCount: number;
   } | null;
@@ -376,17 +377,42 @@ function createVideoEncoder(
   return encoder;
 }
 
+//codec info map entry
+interface AudioCodecInfoEntry {
+  type: string;
+  codecString: string;
+  code: number;
+}
+
+//codec info map to type, codec string and codec code
+const codecInfoMap: Map<string, AudioCodecInfoEntry> = new Map([
+  [
+    'aac',
+    {
+      type: 'mp4a',
+      codecString: 'mp4a.40.2',
+      code: 0x40,
+    } as AudioCodecInfoEntry,
+  ],
+  [
+    'opus',
+    { type: 'Opus', codecString: 'opus', code: 0xad } as AudioCodecInfoEntry,
+  ],
+]);
+
 function encodeAudioTrack(
   audioOpts: NonNullable<IRecodeMuxOpts['audio']>,
   mp4File: MP4File,
   avSyncEvtTool: EventTool<Record<'VideoReady' | 'AudioReady', () => void>>,
 ): AudioEncoder {
+  const codecInfoMapEntry = codecInfoMap.get(audioOpts.codec)!;
   const audioTrackOpts = {
     timescale: 1e6,
     samplerate: audioOpts.sampleRate,
     channel_count: audioOpts.channelCount,
     hdlr: 'soun',
-    type: audioOpts.codec === 'aac' ? 'mp4a' : 'Opus',
+    //map codec to type
+    type: codecInfoMapEntry.type,
     name: 'Track created with WebAV',
   };
 
@@ -403,7 +429,9 @@ function encodeAudioTrack(
   });
 
   const encoderConf = {
-    codec: audioOpts.codec === 'aac' ? 'mp4a.40.2' : 'opus',
+    //map codec to AudioEncoder codec
+    codec: codecInfoMapEntry.codecString,
+    opus: audioOpts.opusConfig,
     sampleRate: audioOpts.sampleRate,
     numberOfChannels: audioOpts.channelCount,
     bitrate: 128_000,
@@ -424,9 +452,13 @@ function encodeAudioTrack(
       if (trackId === -1) {
         // 某些设备不会输出 description
         const desc = meta?.decoderConfig?.description;
+
         trackId = mp4File.addTrack({
           ...audioTrackOpts,
-          description: desc == null ? undefined : createESDSBox(desc),
+          description:
+            desc == null
+              ? undefined
+              : createESDSBox(desc, codecInfoMapEntry.code),
         });
         avSyncEvtTool.emit('AudioReady');
         Log.info('AudioEncoder, audio track ready, trackId:', trackId);
@@ -449,9 +481,13 @@ function encodeAudioTrack(
  * 创建 ESDS 盒子（MPEG-4 Elementary Stream Descriptor）
  * ESDS 盒子用于描述 MPEG-4 的流信息，如编解码器类型、流类型、最大比特率、平均比特率等
  * @param config - 配置信息，可以是 `ArrayBuffer` 或 `ArrayBufferView` 类型
+ * @param codecConfig The audio codec code for m4a and opus
  * @return 返回一个 ESDS box
  */
-function createESDSBox(config: ArrayBuffer | ArrayBufferView) {
+function createESDSBox(
+  config: ArrayBuffer | ArrayBufferView,
+  codecCode: number,
+) {
   const configlen = config.byteLength;
   const buf = new Uint8Array([
     0x00, // version 0
@@ -468,7 +504,7 @@ function createESDSBox(config: ArrayBuffer | ArrayBufferView) {
 
     0x04, // descriptor_type
     0x12 + configlen, // length
-    0x40, // codec : mpeg4_audio
+    codecCode, // codec : mpeg4_audio
     0x15, // stream_type
     0x00,
     0x00,