共 21 条
[1]
Beranek L. L., 1957, NOISE CONTROL, P19
[3]
THE DESIGN OF SPEECH COMMUNICATION SYSTEMS
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1947, 35 (09)
:880-890
[4]
BERANEK LL, 1954, ACOUSTICS, P338
[5]
BOLT RH, 1950, ARCHITECTURAL ACOUST
[6]
EDELMAN S, 1955, 144 NBS US DEP COMM
[7]
FARRELL WR, 1960, 60 M ACOUST SOC AM