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Beranek L.L. Ч Acoustics
Beranek L.L. Ч Acoustics



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Ќазвание: Acoustics

јвтор: Beranek L.L.

јннотаци€:

An indispensable source of practical acoustical concept and theory for engineers, scientists, and consultants, with new information on microphones, loudspeakers and speaker enclosures, room acoustics, and acoustical applications of electromechanical circuit theory.


язык: en

–убрика: ‘изика/ олебани€ и волны/

—татус предметного указател€: √отов указатель с номерами страниц

ed2k: ed2k stats

√од издани€: 1993

 оличество страниц: 491

ƒобавлена в каталог: 27.07.2005

ќперации: ѕоложить на полку | —копировать ссылку дл€ форума | —копировать ID
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ѕредметный указатель
Absorhent mufflers      359Ч360
Absorption coefficients      see "Coefficients"
Absorption units, English      305
Absorption units, metric      305
Absorption units, sabins      305
Absorption, in air      307Ч311 345Ч346
Absorption, in materials      299Ч305
Acceptable noise levels, auditoriums      425Ч427
Acceptable noise levels, buildings      427
Acceptable noise levels, office spaces      423Ч425
Acceptable noise levels, residential areas      421Ч423
Acoustic compliance      35 65 128Ч130
Acoustic components      116Ч143
Acoustic filters      143 353Ч360
Acoustic generators      66Ч67
Acoustic impedance      11
Acoustic inertance      see "Mass"
Acoustic mass      63Ч64 131Ч133
Acoustic materials in ventilation systems      352Ч354 356Ч359
Acoustic materials, carpets      300
Acoustic materials, draperies      300
Acoustic materials, fabrics      300
Acoustic materials, for duct lining      352Ч354 356Ч359
Acoustic materials, for engine test cells      356Ч360
Acoustic materials, mounting conditions      303Ч304
Acoustic materials, perforated facing      303
Acoustic materials, seats      300Ч301
Acoustic materials, thickness      302
Acoustic materials, tiles      302Ч304
Acoustic ohm      11
Acoustic resistance      65Ч66
Acoustic responsiveness      65Ч66
Acoustic structures      349Ч360
Acoustic transformers      139Ч142
Acoustic, definition of      9
Acoustical circuits      62Ч69
Acoustical elements      62Ч69
Acoustical Society of America      v
Acoustical standards      8 15 372 396
Acoustical, definition of      9
Adiabatic alternations      19
Adiabatic, definition of      4
Adiabatic, gas law      19
ADP (ammonium dihydrogen phosphate), general      164Ч174
ADP (ammonium dihydrogen phosphate), microphone      363
Age effects on hearing      390
Air absorption      307Ч311 345Ч346
Air losses      308Ч311 345Ч346
Air, specific heat of      19
Air-gap energy      200
Aircraft noise      342 344
Altec 21-C microphone      158
American Standard Association      8 15 372 396 400
American Standard Association, sound-level meters      15
American Standard Association, terminology      8
Ammonium dihydrogen phosphate      see "ADP"
Amplification systems, speech      see also "Horns" "Loudspeakers" "Microphones"
Amplification systems, speech, behavior indoors      407Ч412
Amplification systems, speech, behavior outdoors      407Ч410
Amplification systems, speech, cellular horns      107Ч108
Amplitude, movement of eardrum      389
Analogies      47Ч90
Analogies, conversion of      77Ч78
Analogies, direct      52
Analogies, impedance-type      52
Analogies, inverse      52
Analogies, mobility-type      52
Analogies, rotational      67
Analogous impedance      11
Analysis of sound, frequency analyzers      333Ч334 362Ч365
Anechoic chamber      22 229 278 394 409
Architectural acoustics      298Ч331 417Ч429
Array, curved      100Ч108
Array, linear      96Ч97
Array, two simple sources      93Ч90
Articulation index      408Ч412
Articulation scores      411Ч415
Attenuation coefficient      307Ч311
Attenuation constant, air      307Ч311
Attenuation of sound, air      307Ч311 345 346
Attenuation of sound, barriers      348
Attenuation of sound, doors      349
Attenuation of sound, ducts      350Ч353
Attenuation of sound, mufflers      353Ч360
Attenuation of sound, structures      324Ч330
Audibility threshold      394Ч396 408
Auditoriums, echocs      427Ч428
Auditoriums, examples      322Ч324
Auditoriums, mean free path      298Ч299
Auditoriums, noise      427Ч429
Auditoriums, psychoacoustic criterion      425 429
Auditoriums, reverberation time      300Ч311 425Ч426
Auditoriums, room constant      312Ч313 425Ч426
Auditoriums, sound absorption coefficients      299Ч305
Auditoriums, sound decay rate      304Ч306
Auditoriums, sound energy density      313Ч314
Auditoriums, sound pressure levels      314Ч322
Auditoriums, speech intelligibility      406Ч417
Auditoriums, transmission through walls      324Ч331
Auditory canal      390
Automobile power levels      339
Average absorption coefficient $\alpha$, definition      299Ч305
Average absorption coefficient $\alpha$, graphs      302Ч304
Average absorption coefficient $\alpha$, table      300Ч301
Axis, principal      112
Axis, reference      112
Background noise, effect on readings      374
backward-traveling wave      288Ч289
Baffle constants      231Ч232
Baffle, bass-reflex      239Ч258
Baffle, closed-box      114 211Ч228
Baffle, definition      101 184 209
Baffle, finite, flat      210Ч211
Baffle, infinite      210
Baffle, measurement of      231Ч232
Baffle, parallel, absorbent      356Ч359
Bandwidths, analyzers      333Ч334 362Ч365
Bandwidths, critical      334 365Ч366 393Ч394 406
Barium titanate, general      164 167
Barium titanate, microphone      174Ч177 363
Barometric pressure, atmospheric      9
Barometric pressure, corrections in rooms      315
Barriers      348
Basilar membrane      390Ч391
Bass quality, cardioid microphone      182
Bass quality, explanation      38Ч39 148Ч149
Bass quality, gradient microphone      148Ч149 178
Bass quality, ribbon microphone      148Ч149 178
Bass-reflex baffles      239Ч258
Beam width      92 108
Bender Bimorph      170Ч173
Bends in horns      278Ч279
Bends, in ducts      351Ч352
Bessel functions      118Ч119
Beta ($\beta$) operator      87Ч88
Bimorph      170Ч173
boundary conditions      29
Box, bass-reflex      239Ч258
Box, closed      114 211Ч218
Box, open-back      211
Box, rick partitions      328Ч329
Box, vented      239Ч258
Building materials, absorption coefficients      300
Building materials, densities      328
Building materials, transmission losses      328Ч329
Cabinet for loudspeakers, bass-reflex      239Ч258
Cabinet for loudspeakers, closed-box      211Ч228
Cabinet for loudspeakers, open-back      211
Cables on microphones      371
Calibration of transducers, auxiliary transducer      383Ч387
Calibration of transducers, free-field      382Ч385
Calibration of transducers, general equation      381Ч382
Calibration of transducers, pressure      385Ч387
Calibration of transducers, reciprocity method      377Ч387
Calibration of transducers, self-reciprocity      382Ч383
Calibrator for microphones      363
Canal, ear      390
Capacitance, microphones      169 172 173 175
Capacitor microphones, construction and properties      157Ч164
Capacitor microphones, dynamic range      157
Capacitor microphones, electrical impedance      157 160Ч161
Capacitor microphones, general relations      72Ч75
Capacitor microphones, humidity effects      157
Capacitor microphones, mechanical impedance      157 160Ч161
Capacitor microphones, temperature effects      157
Cardioid pattern      150 181
Cavity with holes      136Ч137
Cavity, closed      128Ч129
Cellufoam      220
Cellular horn      107Ч108
Ceramic microphone      174Ч177
Characteristic impedance      11 36
Charles Ч Boyle gas law      18
Churcher Ч King contours      400
Circuit for closed tube      130
Circuit for filter, acoustic      354
Circuit for loudspeaker, direct-radiator      187 201
Circuit for loudspeaker, horn      262
Circuit for loudspeaker, in bass-reflex baffle      241
Circuit for loudspeaker, in closed-box or infinite baffle      213
Circuit for microphone, capacitor      162
Circuit for microphone, moving-coil      155
Circuit for microphone, piezoelectric      168
Circuit for microphone, ribbon      179
Circuit for open tube      130
Circuit for radiation impedances      117 121 124Ч126
Circuit, for acoustic transformer      139
Closed tube      28Ч35 128Ч129 see
Closed-box baffle      114 211Ч228
Cochlea      390
Cochlear partition      390
Coefficients, absorption, of building materials      300
Coefficients, absorption, of materials      299Ч305
Coefficients, absorption, of sound      299Ч304 see
Coefficients, attenuation, m      307Ч311
Coefficients, coupling      72n. 230Ч231
Coefficients, noise-reduction      303
Coil, voice, construction      184
Coil, voice, design      195Ч198
Compensating networks      401
Complex conjugate      44n.
Complex exponential function      25
Complex impedances      11
complex magnitude      26
Complex numbers, convention for      11 25Ч28 44n.
Complex ratio      11
Complex solutions      25Ч28
Complex sounds, analysis      362Ч365
Compliance, acoustic      35 65
Compliance, acoustic, special      35
Compliance, closed-box      217 221Ч222
Compliance, closed-tube      128Ч129
Compliance, diaphragm      130 215 230
Compliance, jug      130Ч131
Compliance, measurement      230
Compliance, mechanical      53Ч54
Compliance, short-tube      35 129
Compliance, suspension      215 230
Components, acoustic      116Ч143
Compound-wall constructions      329
Compressibility of air, cavities      35 128Ч129 217 221Ч222
condenser microphones      see "Capacitor microphones"
Cone, solid, in space      112 183Ч184 see
Conical horn      276Ч278
Connector, exponential      141Ч142
Constants, baffle      231Ч232
Constants, barometric-pressure      9
Constants, characteristic impedance      11
Constants, damping      205 292 307
Constants, density-of-air      10
Constants, diaphragm      214Ч215 228Ч231
Constants, flare      270
Constants, gas      19
Constants, loudspeaker      228Ч231
Constants, port      240Ч241
Constants, power-available generator      190
Constants, reciprocity      381
Constants, reference quantities      13Ч14
Constants, room      313 316 425Ч427
Constants, speed-of-sound      10
Continuity equation      20
Conversion tables      see also "Tables"
Conversion tables, decibel      455Ч463
Conversion tables, factors      464Ч467
Conversion tables, mobility-to-impedance analogies      51
Conversion tables, octave-band levels, to critical-band levels      306
Conversion tables, octave-band levels, to spectrum levels      364
Conversion tables, units      464Ч467
Couplers for primary calibration      385
Couplers, exponential      141Ч142
Coupling coefficient      72n. 230Ч231
Course organization      vii
Criteria, psychoacoustic      417Ч429
Criteria, psychoacoustic, auditoriums      425Ч427
Criteria, psychoacoustic, damage-to-hearing risk      416Ч417
Criteria, psychoacoustic, noise, control of      427
Criteria, psychoacoustic, noise, in buildings      427
Criteria, psychoacoustic, noise, in office spaces      423Ч425
Criteria, psychoacoustic, noise, in residential areas      421Ч423
Criteria, psychoacoustic, reverberation time      425
Criteria, psychoacoustic, room constant      425Ч427
Criteria, psychoacoustic, speech interference levels      419Ч420
Critical bandwidths      334 365Ч366 393Ч394 406
Critical frequencies of baffles      244Ч247
Cross-sectional shapes, horns      279Ч280
Crystal microphones, applications      165 177
Crystal microphones, barium titanate      174Ч177
Crystal microphones, Bimorph      170Ч173
Crystal microphones, crystal shapes      164Ч166
Crystal microphones, diaphragm-actuated      176Ч177
Crystal microphones, direct-actuated      176Ч177
Crystal microphones, distortion      173
Crystal microphones, dynamic range      165
Crystal microphones, electrical impedance      165
Crystal microphones, equivalent circuit      168
Crystal microphones, expander plate      166Ч170
Crystal microphones, frequency response      165
Crystal microphones, general relations      72Ч75
Crystal microphones, humidity effects      167
Crystal microphones, hydrostatic operation      166Ч168 170 177
Crystal microphones, internal resistance      173
Crystal microphones, resistivity      173
Crystal microphones, self-noise      173Ч174
Crystal microphones, shear-plate      165Ч166
Crystal microphones, stability      168Ч177
Crystal microphones, strength      167
Crystal microphones, temperature effects      168Ч169 172 174
Crystal microphones, tests for normalcy      174
Curved-line source      106Ч108
Cutoff frequency      271 362Ч364
Damped vibrations of rooms      291Ч295 304Ч311
Damping constant, loudspeakers      205
Damping constant, rooms      292 307
Dashpot      55
Data recording      374Ч375
Deafness      396Ч397 416Ч419
Decay constant, loudspeakers      205
Decay constant, rooms      292 307
Decay curves for sound in rooms      293Ч294
Decay of sound, in loudspeakers      205
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