Kaiboer's "MUPURE" digital broadcasting system is deeply customized based on Android 14. By trimming redundant task interference and reducing resource occupation, it significantly reduces system latency and focuses on audio processing. The system improves the audio output path, globally bypassing the "SRC" restriction to achieve direct audio transmission, ensuring lossless audio quality transmission. By enhancing the response speed of streaming media playback and audio file parsing, and combining with an 8GB+64GB memory configuration, the "MUPURE" system brings an unprecedented interactive experience and outstanding audio quality to the DMP-K7, presenting rich details and pure sound effects