Patent ID: 9215021
Filing Date: 2015-12-15
Classification: G06F,H03G,H04H

Abstract:
1. An electronic device, comprising: a plurality of faders that are configured to control audio signal levels of a plurality of channels; a plurality of indicators that are assigned to the plurality of faders, respectively, each of the plurality of indicators being configured to indicate a status of a respective fader; a plurality of selection components that are assigned to the plurality of faders, respectively, each of the plurality of selection components being configured to assign a respective fader to a group of faders or release a respective fader from the group of faders; and a processor that is configured to set a first fader belonging to the group of faders as a master fader and set remaining faders in the group of faders as slave faders, and detect when any of the faders belonging to the group of faders is operated, whether the operated fader is a master fader or a slave fader, all indicators assigned to faders in the group of faders being configured to indicate an active status when the master fader is detected as being the operated fader, and an indicator assigned to the master fader being configured to indicate an active status and indicators assigned to the slave faders being configured to indicate inactive statuses when any of the slave faders are detected as being the operated fader.