The present invention relates to a hearing aid with an adaptive filter for suppression of acoustic feedback in the hearing aid. One of the members is associated with each of the upper and lower edges, and the support members are constructed to be spaced apart to support the shade in an extended, open position during use. An encoding request is received from a client which requests that the media program information be encoded in one or more encoding formats. Concurrently, during at least a portion of the first time interval, the memory controller performs a calibration of the command interface of the memory device. The voltage adjusting unit is coupled to the voltage generating unit for adjusting the voltage signal and generating the comparing voltage according a reference voltage.