Properties
Optional _coding_type
_coding_type: undefined | string
Optional _format
_format: undefined | string
Optional _rate
_rate: undefined | string
Optional _type
_type: "video" | "audio" | "graphics"
Optional char_code
char_code: undefined | number
coding_type
coding_type: number
Optional format
format: undefined | number
Optional lang_code
lang_code: undefined | string
Optional rate
rate: undefined | number