METHOD, COMPUTER PROGRAM, ELECTRONIC DEVICE, AND SYSTEM

A method comprises sending a control signal from an electronic device to a media device, the control signal comprising a channel preset identifier and causing the media device to switch to a channel identified by the channel preset identifier; receiving, at the electronic device, an audio signal emitted by the media device; generating, by the electronic device, an audio fingerprint from the received audio signal; obtaining, by the electronic device, channel meta information based on the audio fingerprint; and determining channel preset mapping information, the channel preset mapping information associating the channel preset identifier with the channel meta information.