This identifies the Dolby Atmos audio track. Unlike traditional surround sound, Atmos uses "audio objects" to place sound in a 3D space, including overhead. The 768kbps bitrate is the maximum typically found in streaming/WEB-DL formats (EAC3 JOC), offering a balance between file size and high-fidelity surround sound.
An Atmos-enabled soundbar or AV receiver with ceiling or upward-firing speakers to hear the height effects. download-who-iam-multi-2160p-atmos-768kbps-desimusix-mkv
This is the highest standard resolution for modern digital media. At 3840 x 2160 pixels , it provides four times the detail of standard 1080p HD, making it ideal for large-screen displays. This identifies the Dolby Atmos audio track
This indicates the file includes multiple audio tracks or subtitle options, likely catering to various regional languages or including the original theatrical audio alongside dubbed versions. An Atmos-enabled soundbar or AV receiver with ceiling