Digital Television (DTV) Closed Captioning: 3D Extensions (ANSI/CTA-708.1 S-2022)
This standard specifies signaling to allow CTA-708 caption services to be rendered with stereoscopic 3D program content. CTA-708.1 defines the syntax and semantics of the SetDepth command. SetDepth is a variable-length command delivered in the C3 code set as defined in CTA-708.