Add a description of supporting audio types

docs/module_usage/tutorials/speech_modules/multilingual_speech_recognition.en.md

@@ -90,6 +90,7 @@ Related methods, parameters, and explanations are as follows:
 <ul>
   <li><b>File Path</b>, such as the local path of an audio file: <code>/root/data/audio.wav</code></li>
   <li><b>URL Link</b>, such as the network URL of an audio file: <a href="https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav">Example</a></li>
+  <li><b>File type</b>, support wav and pcm audio type.</li>
 </ul>
 </td>
 <td>None</td>

docs/module_usage/tutorials/speech_modules/multilingual_speech_recognition.md

@@ -139,6 +139,7 @@ for res in output:
 <ul>
   <li><b>文件路径</b>，如语音文件的本地路径：<code>/root/data/audio.wav</code></li>
   <li><b>URL链接</b>，如语音文件的网络URL：<a href = "https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav">示例</a></li>
+  <li><b>文件类型</b>，目前支持 wav 和 pcm 类型的语音文件。</li>
 </ul>
 </td>
 <td>无</td>

docs/pipeline_usage/tutorials/speech_pipelines/multilingual_speech_recognition.en.md

@@ -146,6 +146,7 @@ In the above Python script, the following steps are executed:
 <ul>
   <li><b>File path</b>, such as the local path of an audio file: <code>/root/data/audio.wav</code></li>
   <li><b>URL link</b>, such as the network URL of an audio file: <a href="https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav">Example</a></li>
+  <li><b>File type</b>, support wav and pcm audio type.</li>
 </ul>
 </td>
 <td><code>None</code></td>

docs/pipeline_usage/tutorials/speech_pipelines/multilingual_speech_recognition.md

@@ -146,6 +146,7 @@ for res in output:
 <ul>
   <li><b>文件路径</b>，如语音文件的本地路径：<code>/root/data/audio.wav</code></li>
   <li><b>URL链接</b>，如语音文件的网络URL：<a href = "https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav">示例</a></li>
+  <li><b>文件类型</b>，目前支持 wav 和 pcm 类型的语音文件。</li>
 </ul>
 </td>
 <td><code>None</code></td>