add conformer demos (#1108)

docs/source/tts/demo.rst

@@ -455,6 +455,7 @@ Audio samples generated by a TTS system. Text is first transformed into spectrog
     <b>CSMSC(Chinese)</b>
     <br>
     </br>
+
     <table border="2" cellspacing="1" cellpadding="1"> 
         <tr>
             <th align="center"> Text </th>
@@ -634,6 +635,106 @@ Audio samples generated by a TTS system. Text is first transformed into spectrog
             </td>
         </tr>   
     </table>
+
+    <br>
+    </br>
+
+    <table border="2" cellspacing="1" cellpadding="1"> 
+        <tr>
+            <th align="center"> FastSpeech2-Conformer + ParallelWaveGAN </th>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/001.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/002.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/003.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/004.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/005.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/006.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/007.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/008.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>
+        <tr>
+            <td>
+                <audio controls="controls">
+                    <source
+                        src="https://paddlespeech.bj.bcebos.com/Parakeet/docs/demos/fastspeech2_conformer_baker_ckpt_0.5_pwg_baker_ckpt_0.4/009.wav"
+                        type="audio/wav">
+                    Your browser does not support the <code>audio</code> element.
+                </audio>
+            </td>
+        </tr>   
+    </table>
     </div>
     <br>
     <br>

paddlespeech/t2s/frontend/zh_frontend.py

@@ -137,6 +137,10 @@ class Frontend():
             phones_list.append(phones)
         if merge_sentences:
             merge_list = sum(phones_list, [])
+            # rm the last 'sp' to avoid the noise at the end
+            # cause in the training data, no 'sp' in the end
+            if merge_list[-1] == 'sp':
+                merge_list = merge_list[:-1]
             phones_list = []
             phones_list.append(merge_list)
         return phones_list