Patent ID: 11871077
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A transmission method for transmitting a content from a transmitting device to a receiving device, the transmission method comprising:
transmitting a first content from the transmitting device to the receiving device, the first content conforming to High Dynamic Range (HDR);
transmitting, from the transmitting device to the receiving device, a second content to be displayed with the first content on a display connected to the receiving device, the second content conforming to Standard Dynamic Range (SDR), the second content including at least one of a caption or an image; and
transmitting, from the transmitting device to the receiving device, a scale factor described in Timed Text Markup Language (TTML) such that the second content is converted to a converted content conforming to HDR using the scale factor in the receiving device.