AVexcel - Episode 57

Recorded on September 20, 2017. Hosts: Patrick Norton and Robert Heron  The rundown:    - ATMOS upgrade options    - Noise-canceling earphones    - An excellent mobile DAC/Amp    - Hulu + Spotify super deal    - CEDIA 2017: amps/procs    - Projection aspect ratios    - Low-latency 4K TVs    - Constant-beamwidth transducers    - Your excellent feedback & questions  AVexcel is 100% powered by our awesome crew of Patreon supporters - thank you!  Visit AVexcel.com for links, show notes, contact info, and more!