Abstract: Processes and devices for equalizing an audio system that is adapted to use a loudspeaker to transduce test audio signals into test sounds. The processes and devices can involve the use of infrared signals to convey information in one or both directions between the audio system and a portable computer device that captures test sounds, calculates audio parameters that can be used in the equalization process, and transmits these audio parameters back to the audio system for its use in equalizing audio signals that are played by the audio system.

Abstract: A multi-station machine assembles magnetic latch assemblies having components which include a post, a magnet, and a surrounding casing. The magnetic latch assemblies are used for "parking" a read/write head of a memory storage device over a data-free landing zone during off-power conditions. The machine includes a turntable with a plurality of grippers for securing a plurality of posts in position during the assembly process and for conveying partially assembled magnetic latch assemblies to each station. At the various stations of the machine, a pin portion of a post is placed and secured in a respective gripper, a magnet is placed over the core of the post, and a casing is assembled over the magnet and post subassembly by press fitting the casing to a flange portion of the post.