Abstract: A brightness compensation method and device of a display panel, a readable storage medium, and a display device are provided. A display panel is divided into at least one region. The region includes a to-be-corrected region. Wherein, the brightness compensation method includes: using a photographing component to photograph the display panel displaying a preset grayscale image; obtaining an image of the to-be-corrected region under a preset grayscale; obtaining brightness data of the to-be-corrected region, wherein the regional viewing angle is an included angle between a connection line of an optical center of a lens of the photographing component connecting to a center of the at least one region, and a normal of the display panel; correcting brightness of the to-be-corrected region to obtain corrected brightness data of the to-be-corrected region; and performing brightness compensation on the display panel according to the corrected brightness data of the to-be-corrected region.

Abstract: The present invention relates to a method and system for implementing a large area and continuous coverage of programs in a digital audio broadcasting, wherein, part of carrier frequencies are set as common carrier frequencies, and other carrier frequencies are set as service carrier frequencies; all of the common carrier frequencies are combined together to achieve a seamless coverage for the large area; a transmitting end transmits a common frequency point identifier and a program information list on the common carrier frequencies, and transmits digital broadcasting programs on the service carrier frequencies; a receiving end identifies the common carrier frequency based on the common frequency point identifier and receives the digital broadcasting program on the common carrier frequencies; for a specific program desired to be received, all the carrier frequencies on broadcasting of the program are searched based on the received program information list, and the carrier frequency with best signal quality is

Abstract: The present invention relates to a method and system for implementing a large area and continuous coverage of programs in a digital audio broadcasting, wherein, part of carrier frequencies are set as common carrier frequencies, and other carrier frequencies are set as service carrier frequencies; all of the common carrier frequencies are combined together to achieve a seamless coverage for the large area; a transmitting end transmits a common frequency point identifier and a program information list on the common carrier frequencies, and transmits digital broadcasting programs on the service carrier frequencies; a receiving end identifies the common carrier frequency based on the common frequency point identifier and receives the digital broadcasting program on the common carrier frequencies; for a specific program desired to be received, all the carrier frequencies on broadcasting of the program are searched based on the received program information list, and the carrier frequency with best signal quality is