https://www.phonearena.com/news/Razer-Netflix-exclusive-HDR10-Dolby-Digital-5.1-Plus_id101319
The Razer Phone scores support for HDR10, Dolby Digital 5.1 Netflix content - PhoneArena
Netflix and Razer just announced a new partnership that will bring HDR10 and six-channel Dolby Digital Plus 5.1- certified video content to the Razer Phone...
dolby digital 5 1
https://www.engadget.com/2006-12-12-novacs-dolby-digital-5-1-headphones-put-surround-sound-on-your.html
Novac's Dolby Digital 5.1 headphones put surround sound on your dome
Dec 12, 2006 - There's nothing quite like shoving six speakers over your ears, and while bulky these cans may be, it's still an awful lot smaller than a full home theater...
dolby digital 5 1