Atmos

Dolby's AC-4 and HDR Technologies Adopted as ARIB Standards for Next-Gen Terrestrial Digital Broadcasts

Dolby Laboratories' AC-4 audio and HDR dynamic metadata technologies were adopted by ARIB for Japan's next-generation terrestrial broadcasting standards.
The AC-4 audio format supports immersive 3D sound and is utilized by major broadcasters in the US and Europe.
Dolby Vision HDR technology is employed for commercial broadcasts by entities like NBC/Comcast and Canal+, enhancing sports and event coverage.