MiTV OS 2. 14.2294 (stable version) belongs to Xiaomi TV system. At present, there are many TVs supporting dra audio on the market. Generally, terrestrial digital waves will use this audio format, which Xiaomi TV generally does not support. To sum up, MiTV OS 2. 14.2294 (stable version) does not support DRA.
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DRA is short for Digital Rise Audio. It is a digital audio coding technology developed by Guangzhou Digital Rising Technology and a national standard for audio coding. In June 2007, it was approved as the electronic industry standard of China.
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