To easily change the specifications of a subsidiary device without changing a system unit, an information processing apparatus includes a slave control unit for controlling a slave device and a system control unit for receiving email from an external line and storing and managing the email. A method for improving the quality of the tube ends after shearing using a reversible partial orbital path is also disclosed. Data can be efficiently transmitted by using an uplink indicator which indicates a specific location of a subframe. The implanted ions stabilize the film, because the implants were found to substantially prevent agglomeration or at least delay agglomeration to much higher temperatures than in cases in which no implants were used. If the certification procedure is successful, the simulation mobile station enters into a link state for simulating mobile communication. The system comprises the steps of determining the ambient noise characteristics on a continuous basis to capture the time varying nature of ambient noises, and adaptively determining the most optimal signal shaping to be applied to the audiospeech signal to produce the most appropriate enhancement to compensate for the ambient noise impairment.