共 8 条
[1]
THE DESIGN OF SPEECH COMMUNICATION SYSTEMS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1947, 35 (09)
:880-890
[6]
KNUDSEN VO, 1932, ARCHITECTURAL ACOUST, P381
[8]
Potter R.K., 1947, AM ANN DEAF, V91, P447