This library is not maintained. It was my first 'popular' Open Source project, and brought MQTT to the Arduino platform just as both were gaining popularity. But times have changed, and I haven't ...

H1L: FLT - Filter select : Normal latency (Low) / Low latency (High) H2L: DEMP - De-emphasis control for 44.1kHz sampling rate: Off (Low) / On (High) H3L: XSMT - Soft mute control: Soft mute (Low) / ...