US Patent 7392103 Audio signal processing device

In an audio signal processing device which processes audio signals and outputs the audio signals, on the recalling setting data representing a setting status of the device, protection setting defining a group which is not recalled at the time of recalling the setting data among a plurality of groups constituting the setting data is accepted as a local setting for each setting data and a global setting common to each setting data separately, and an enabled or disabled setting of the protection setting for the setting data is accepted for each setting data, wherein when the setting data is recalled, the recall is performed in accordance with the local protection setting when the protection setting for the setting data is enabled, and in accordance with the global protection setting when the protection setting for the setting data is disabled.