Initial text-to-speech (TTS) docs (#1588)

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source/_components/tts.voicerss.markdown

@@ -0,0 +1,45 @@
+---
+layout: page
+title: "VoiceRSS"
+description: "Instructions how to setup VoiceRSS TTS with Home Assistant."
+date: 2016-12-13 07:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: voicerss.png
+ha_category: Text-to-speech
+ha_release: 0.35
+---
+
+The `voicerss` text-to-speech platform uses [VoiceRSS](http://www.voicerss.org/) Text-to-Speech engine to read a text with natural sounding voices.
+
+To enable text-to-speech with VoiceRSS, add the following lines to your `configuration.yaml`:
+
+```yaml
+# Example configuration.yaml entry
+tts:
+  - platform: voicerss
+    api_key: 'XXXXXXXX'
+```
+
+Configuration variables:
+
+- **api_key** (*Requered*): API Key for use this service.
+- **language** (*Optional*): The language to use. Defaults to `en-us`.
+- **codec** (*Optional*): Audo codec. Default is 'mp3'.
+- **format** (*Optional*): Audio sample format. Default is '8khz_8bit_mono'
+
+See on api [documentation](http://www.voicerss.org/api/documentation.aspx) for allow values.
+
+A full configuration sample:
+
+```yaml
+# Example configuration.yaml entry
+tts:
+  - platform: voicerss
+    api_key: 'XXXXX'
+    language: 'de-de'
+    codec: mp3
+    format: 8khz_8bit_mono
+```