A hood for mounting over an outlet in a wall of a catch basin is disclosed. The DAC includes a R-string section, a first DAC section, a second DAC section, a multiplexer, and an operational amplifier. Printed matters, which include pages of respective jobs in a mixed fashion, are sorted according to jobs in a subsequent stage. And, a signal output unit for outputting a ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced. Alternatively, automatic call routing may be performed based on location context information associated with the calling party such as whether the caller is calling from a regular location association with himher or an extra-ordinary location.