FLAC (Free Lossless Audio Codec), the focus is on the high-fidelity sound design that captures the 1980s Texas setting. Feature: High-Fidelity Retro Soundscapes While FLAC is typically associated with music, its application in television highlights the subtle nuances of a production. In this episode, the lossless audio format enhances several key "features" of the viewing (and listening) experience: Acoustic Detail of the 80s