Patent ID: 8732353
Filing Date: 2014-05-20
Classification: G06F,G09G,H04B,H04N

Abstract:
1. A transmitter device comprising: an interface unit that is an interface for connection to a receiver device via a transmission path; a pre-emphasis unit configured to generate a pre-emphasis signal, the pre-emphasis signal being obtained by adding to an input signal another signal for compensating for a high-frequency component of the input signal; and a transmission control unit configured to acquire identification information indicating whether the receiver device is capable of performing a process of receiving the pre-emphasis signal, switch the receiver device to a state in which the receiver device is capable of performing the process of receiving the pre-emphasis signal in accordance with the identification information, and control the pre-emphasis unit to generate the pre-emphasis signal, wherein the transmission path is formed of a transmission channel included in a HDMI (High Definition Multimedia Interface) cable, and wherein the identification information is represented by an identification bit in EDID (Extended Display Identification Data) that is stored in the receiver device.