The Analog Devices AD1939YSTZRL is an audio codec featuring a digital signal processing engine, 4 input and 8 output interfaces, and on-chip phase-locked loop. It is specifically designed for use in multi-channel audio applications, such as sound bars, television audio, home theater systems, and car audio systems. The codec features an integrated high-efficiency power supply, allowing it to run on a single 3.3V power supply. It has an on-chip digital signal processor that supports multi-band equalization, bass/treble, and time-domain filters. The codec also features an independent output gain control, mute control, and sample rate converters from 8kHz to 192kHz. The device is packaged in a 28-lead TSSOP package.