Update README.md

README.md

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 pretty_name: NovaLingua
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+# LinguaNova : massive multilingual dataset with double and triple code switching
+
+LinguaNova-en-zh is a subpart of Lingua Nova.
+
+Key points of LinguaNova :
+- supports enough languages to cover 50% of the world's native speakers (not to mention second languages). 
+- mon-lingual support; double code-switch; triple code-switch
+- High speech quality (dnsmos >= 3.0 ), artifact-free. Ideal for TTS.
+- Wide variety of speakers.
+
+LinguaNova-en-zh only supports Mandarin, English and double code-switch (en ; zh / zh ; en).
+
+Translated with DeepL.com (free version)
+
 <div align="center"><img width="400px" src="https://play-lh.googleusercontent.com/Y0lZddPVEp827mMb48DZVj9A7QEXT1aoB_6Uuai5T8WEE26kuyceF5dLkTYA94PQ_Hk=w480-h960" alt="English chinese illustration" /></div>