Add more example to TTS doc (#1917)

Author: mthrok

torchaudio/pipelines/_tts/impl.py

@@ -242,6 +242,18 @@ class _Tacotron2GriffinLimPhoneBundle(_GriffinLimMixin, _Tacotron2Mixin, _PhoneM
          <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_CHAR_LJSPEECH.wav" type="audio/wav">
          Your browser does not support the <code>audio</code> element.
       </audio>
+
+Example - "The examination and testimony of the experts enabled the Commission to conclude that five shots may have been fired,"
+
+   .. image:: https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_CHAR_LJSPEECH_v2.png
+      :alt: Spectrogram generated by Tacotron2
+
+   .. raw:: html
+
+      <audio controls="controls">
+         <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_CHAR_LJSPEECH_v2.wav" type="audio/wav">
+         Your browser does not support the <code>audio</code> element.
+      </audio>
 ''')  # noqa: E501
 
 TACOTRON2_GRIFFINLIM_PHONE_LJSPEECH = _Tacotron2GriffinLimPhoneBundle(
@@ -277,6 +289,19 @@ class _Tacotron2GriffinLimPhoneBundle(_GriffinLimMixin, _Tacotron2Mixin, _PhoneM
          <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_PHONE_LJSPEECH.wav" type="audio/wav">
          Your browser does not support the <code>audio</code> element.
       </audio>
+
+Example - "The examination and testimony of the experts enabled the Commission to conclude that five shots may have been fired,"
+
+   .. image:: https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_PHONE_LJSPEECH_v2.png
+      :alt: Spectrogram generated by Tacotron2
+
+   .. raw:: html
+
+      <audio controls="controls">
+         <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_GRIFFINLIM_PHONE_LJSPEECH_v2.wav" type="audio/wav">
+         Your browser does not support the <code>audio</code> element.
+      </audio>
+
 ''')  # noqa: E501
 
 TACOTRON2_WAVERNN_CHAR_LJSPEECH = _Tacotron2WaveRNNCharBundle(
@@ -313,6 +338,18 @@ class _Tacotron2GriffinLimPhoneBundle(_GriffinLimMixin, _Tacotron2Mixin, _PhoneM
          <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_CHAR_LJSPEECH.wav" type="audio/wav">
          Your browser does not support the <code>audio</code> element.
       </audio>
+
+Example - "The examination and testimony of the experts enabled the Commission to conclude that five shots may have been fired,"
+
+   .. image:: https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_CHAR_LJSPEECH_v2.png
+      :alt: Spectrogram generated by Tacotron2
+
+   .. raw:: html
+
+      <audio controls="controls">
+         <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_CHAR_LJSPEECH_v2.wav" type="audio/wav">
+         Your browser does not support the <code>audio</code> element.
+      </audio>
 ''')  # noqa: E501
 
 TACOTRON2_WAVERNN_PHONE_LJSPEECH = _Tacotron2WaveRNNPhoneBundle(
@@ -353,4 +390,17 @@ class _Tacotron2GriffinLimPhoneBundle(_GriffinLimMixin, _Tacotron2Mixin, _PhoneM
          <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_PHONE_LJSPEECH.wav" type="audio/wav">
          Your browser does not support the <code>audio</code> element.
       </audio>
+
+
+Example - "The examination and testimony of the experts enabled the Commission to conclude that five shots may have been fired,"
+
+   .. image:: https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_PHONE_LJSPEECH_v2.png
+      :alt: Spectrogram generated by Tacotron2
+
+   .. raw:: html
+
+      <audio controls="controls">
+         <source src="https://download.pytorch.org/torchaudio/doc-assets/TACOTRON2_WAVERNN_PHONE_LJSPEECH_v2.wav" type="audio/wav">
+         Your browser does not support the <code>audio</code> element.
+      </audio>
 ''')  # noqa: E501