MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202548029512 A) filed by Dolby Laboratories Licensing on March 27, 2025, for Quantization Parameter Signaling.

Inventors include Pu, Fangjun; Lu, Taoran; Yin, Peng; and Mccarthy, Sean Thomas.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: ABSTRACT QUANTIZATION PARAMETER SIGNALING A quantization parameter signalling mechanism for both SDR and HDR content in video coding is described using two approaches. The first approach is to send the 5 user-defined QpC table directly in high level syntax. This leads to more flexible and efficient QP control for future codec development and video content coding. T...