Improved TV/radio listening for hearing impaired

J. G. H. van Zutphen, W. F. Druyvesteyn, C. H. Slump
1998 Journal of the Acoustical Society of America  
A sound reproduction system, consisting of a small array of loudspeakers, is described which enables different persons, having different preferences for the loudness levels, to listen in one room to one sound programme at different loudness levels.
doi:10.1121/1.421744 fatcat:7njp5b6nkzhxdjl4bottecvamm