An encapsulatable package for a magnetic device that includes a magnetic core. The hearing aid patient at home or a location convenient to the patient logs on to a hearing clinic web site to connect with a clinician, e. In first and second embodiments, the elliptical cross-sections have major and minor axes respectively extending in the direction of the coil longitudinal axis and in planes extending at right angles to the longitudinal axis, and vice versa. The order in which the data is written to the backup medium can be identified with these same Host ID and List ID numbers. The noise canceling waveform is then broadcasted through one or more transducers that are integrated in the hard disk drive.