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MacOS 8.1

Win98

DOS

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|00000000| 44 69 67 69 74 61 6c 20 | 41 75 64 69 6f 6d 65 74 |Digital |Audiomet|
|00000010| 65 72 20 20 65 6e 61 62 | 6c 65 73 20 69 6e 76 65 |er  enab|les inve|
|00000020| 73 74 69 67 61 74 69 6f | 6e 73 20 6f 66 20 74 68 |stigatio|ns of th|
|00000030| 72 65 73 68 6f 6c 64 20 | 6f 66 20 68 65 61 72 69 |reshold |of heari|
|00000040| 6e 67 20 69 6e 20 74 68 | 65 20 66 72 65 71 75 65 |ng in th|e freque|
|00000050| 6e 63 79 20 72 61 6e 67 | 65 0a 66 72 6f 6d 20 32 |ncy rang|e.from 2|
|00000060| 30 20 48 7a 20 74 6f 20 | 32 30 2c 30 30 30 20 48 |0 Hz to |20,000 H|
|00000070| 7a 2c 20 77 69 74 68 20 | 66 72 65 71 75 65 6e 63 |z, with |frequenc|
|00000080| 79 20 72 65 73 6f 6c 75 | 74 69 6f 6e 20 6f 66 20 |y resolu|tion of |
|00000090| 31 48 7a 20 61 6e 64 20 | 61 6d 70 6c 69 74 75 64 |1Hz and |amplitud|
|000000a0| 65 20 72 65 73 6f 6c 75 | 74 69 6f 6e 20 6f 66 20 |e resolu|tion of |
|000000b0| 31 64 42 2e 00 0a 41 6c | 6c 20 73 74 61 6e 64 61 |1dB...Al|l standa|
|000000c0| 72 64 20 74 65 73 74 73 | 20 61 72 65 20 61 76 61 |rd tests| are ava|
|000000d0| 69 6c 61 62 6c 65 2e 20 | 4d 6f 72 65 6f 76 65 72 |ilable. |Moreover|
|000000e0| 2c 20 73 6f 6d 65 20 73 | 70 65 63 69 61 6c 20 68 |, some s|pecial h|
|000000f0| 65 61 72 69 6e 67 20 65 | 76 61 6c 75 61 74 69 6f |earing e|valuatio|
|00000100| 6e 20 70 72 6f 63 65 64 | 75 72 65 73 0a 77 65 72 |n proced|ures.wer|
|00000110| 65 20 69 6d 70 6c 65 6d | 65 6e 74 65 64 2c 20 77 |e implem|ented, w|
|00000120| 68 69 63 68 20 61 72 65 | 20 73 65 6c 64 6f 6d 20 |hich are| seldom |
|00000130| 61 70 70 6c 69 65 64 20 | 69 6e 20 70 72 61 63 74 |applied |in pract|
|00000140| 69 63 65 20 74 6f 64 61 | 79 20 64 75 65 20 74 6f |ice toda|y due to|
|00000150| 20 74 65 63 68 6e 69 63 | 61 6c 20 70 72 6f 62 6c | technic|al probl|
|00000160| 65 6d 73 2e 0a 56 61 72 | 69 6f 75 73 20 6e 6f 6e |ems..Var|ious non|
|00000170| 2d 73 74 61 6e 64 61 72 | 64 20 74 65 73 74 73 20 |-standar|d tests |
|00000180| 61 72 65 20 61 76 61 69 | 6c 61 62 6c 65 20 66 6f |are avai|lable fo|
|00000190| 72 20 69 6e 76 65 73 74 | 69 67 61 74 69 6f 6e 20 |r invest|igation |
|000001a0| 6f 66 20 44 4c 73 20 28 | 44 69 66 66 65 72 65 6e |of DLs (|Differen|
|000001b0| 63 65 20 4c 69 6d 65 6e | 73 29 2c 0a 74 65 6d 70 |ce Limen|s),.temp|
|000001c0| 6f 72 61 6c 20 72 65 73 | 6f 6c 75 74 69 6f 6e 2c |oral res|olution,|
|000001d0| 20 65 74 63 2e 20 44 69 | 67 69 74 61 6c 20 41 75 | etc. Di|gital Au|
|000001e0| 64 69 6f 6d 65 74 65 72 | 20 61 6c 6c 6f 77 73 20 |diometer| allows |
|000001f0| 66 6f 72 20 61 6e 20 65 | 61 73 79 20 61 73 73 65 |for an e|asy asse|
|00000200| 73 73 6d 65 6e 74 20 6f | 66 20 69 6e 74 65 6e 73 |ssment o|f intens|
|00000210| 69 74 79 2c 0a 66 72 65 | 71 75 65 6e 63 79 20 61 |ity,.fre|quency a|
|00000220| 6e 64 20 74 65 6d 70 6f | 72 61 6c 20 72 65 73 6f |nd tempo|ral reso|
|00000230| 6c 76 69 6e 67 20 63 61 | 70 61 62 69 6c 69 74 69 |lving ca|pabiliti|
|00000240| 65 73 20 6f 66 20 74 68 | 65 20 6e 6f 72 6d 61 6c |es of th|e normal|
|00000250| 20 61 6e 64 20 69 6d 70 | 61 69 72 65 64 20 61 75 | and imp|aired au|
|00000260| 64 69 74 6f 72 79 20 73 | 79 73 74 65 6d 73 2e 20 |ditory s|ystems. |
|00000270| 0a 0a 43 61 6c 69 62 72 | 61 74 69 6f 6e 20 6f 66 |..Calibr|ation of|
|00000280| 20 74 68 65 20 44 69 67 | 69 74 61 6c 20 41 75 64 | the Dig|ital Aud|
|00000290| 69 6f 6d 65 74 65 72 20 | 69 73 20 6e 6f 74 20 72 |iometer |is not r|
|000002a0| 65 71 75 69 72 65 64 20 | 64 75 65 20 74 6f 20 74 |equired |due to t|
|000002b0| 68 65 20 73 74 61 62 69 | 6c 69 74 79 20 6f 66 20 |he stabi|lity of |
|000002c0| 74 68 65 20 64 69 67 69 | 74 61 6c 0a 63 69 72 63 |the digi|tal.circ|
|000002d0| 75 69 74 72 79 2e 20 54 | 68 69 73 20 6e 65 77 20 |uitry. T|his new |
|000002e0| 61 75 64 69 6f 6d 65 74 | 65 72 20 61 6c 6c 6f 77 |audiomet|er allow|
|000002f0| 73 20 66 6f 72 20 61 20 | 6d 6f 72 65 20 61 63 63 |s for a |more acc|
|00000300| 75 72 61 74 65 20 65 76 | 61 6c 75 61 74 69 6f 6e |urate ev|aluation|
|00000310| 20 6f 66 20 68 65 61 72 | 69 6e 67 20 6c 6f 73 73 | of hear|ing loss|
|00000320| 2c 0a 61 75 64 69 74 6f | 72 79 20 70 72 6f 62 6c |,.audito|ry probl|
|00000330| 65 6d 73 20 61 6e 64 20 | 63 61 70 61 62 69 6c 69 |ems and |capabili|
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|00000350| 69 63 75 6c 61 72 6c 79 | 20 69 6d 70 6f 72 74 61 |icularly| importa|
|00000360| 6e 74 20 66 6f 72 20 74 | 68 65 20 6e 65 77 20 67 |nt for t|he new g|
|00000370| 65 6e 65 72 61 74 69 6f | 6e 20 6f 66 0a 6d 6f 72 |eneratio|n of.mor|
|00000380| 65 20 61 64 76 61 6e 63 | 65 64 20 44 69 67 69 74 |e advanc|ed Digit|
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|000003a0| 74 61 6c 20 48 65 61 72 | 69 6e 67 20 41 69 64 73 |tal Hear|ing Aids|
|000003b0| 2e 0a 0a 53 69 6e 63 65 | 20 44 69 67 69 74 61 6c |...Since| Digital|
|000003c0| 20 41 75 64 69 6f 6d 65 | 74 65 72 20 64 6f 65 73 | Audiome|ter does|
|000003d0| 20 6e 6f 74 20 75 73 65 | 20 44 53 50 20 72 65 73 | not use| DSP res|
|000003e0| 6f 75 72 63 65 73 20 28 | 4d 6f 74 6f 72 6f 6c 61 |ources (|Motorola|
|000003f0| 20 35 36 30 30 31 20 63 | 68 69 70 29 20 61 6e 64 | 56001 c|hip) and|
|00000400| 20 73 69 6e 63 65 0a 69 | 74 20 75 73 65 73 20 6f | since.i|t uses o|
|00000410| 6e 6c 79 20 32 2d 33 25 | 20 6f 66 20 74 68 65 20 |nly 2-3%| of the |
|00000420| 43 50 55 20 74 69 6d 65 | 2c 20 69 74 20 63 61 6e |CPU time|, it can|
|00000430| 20 72 75 6e 20 73 69 6d | 75 6c 74 61 6e 65 6f 75 | run sim|ultaneou|
|00000440| 73 6c 79 20 77 69 74 68 | 20 73 75 63 68 20 61 70 |sly with| such ap|
|00000450| 70 6c 69 63 61 74 69 6f | 6e 73 20 61 73 20 20 74 |plicatio|ns as  t|
|00000460| 68 65 0a 44 69 67 69 74 | 61 6c 20 20 4f 73 63 69 |he.Digit|al  Osci|
|00000470| 6c 6c 6f 73 63 6f 70 65 | 20 20 61 6e 64 20 53 70 |lloscope|  and Sp|
|00000480| 65 63 74 72 75 6d 20 20 | 41 6e 61 6c 79 7a 65 72 |ectrum  |Analyzer|
|00000490| 20 28 62 6f 74 68 20 61 | 70 70 6c 69 63 61 74 69 | (both a|pplicati|
|000004a0| 6f 6e 73 20 63 6f 6d 65 | 20 77 69 74 68 20 4e 65 |ons come| with Ne|
|000004b0| 58 54 29 2e 20 20 0a 0a | 0a 0a                   |XT).  ..|..      |
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