In a multiband compressor 100, a level calculation unit 121 calculates a signal level inputted for each of bands, a gain calculation unit 122 calculates a gain value from the calculated signal level, and a gain limitation unit 130 limits a gain value by comparison with a gain value of the other band in a compressor for each band. An example door is disclosed that includes a track and a curtain that includes a leading section. Subsequently, only those content items satisfying the zoom level search are grouped into a primary subset, whereby the primary subset may be filtered by selecting those returned content items with location-based tags that match a location-based component of the query. At least some of the program listings are associated with combination categories. The dual display visually provides the vehicle heading and the external temperature through the reflective device.