natus Madsen A450, Справочное руководство

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2.9.12 Safety when using live speech
50
2.9.13 Terms and abbreviations used in Speech testing 50
2.10 Special tests 51
2.10.1 Available special tests
51
2.10.2 SISI (Short Increment Sensitivity Index)
51
2.10.2.1 Navigating in SISI 51
2.10.2.2 The test process - SISI 54
2.10.3 ABLB (Alternate Binaural Loudness Balance)
55
2.10.3.1 Navigating in ABLB
55
2.10.3.2 The test process 58
2.11 Test controls (keyboard, mouse) 58
2.11.1 PC keyboard controls
58
3 Preparing for testing
59
3.1 Preparing the test environment 59
3.2 Preparing the test equipment 59
3.3 Listening check
60
4 Preparing the client
61
4.1 Inspecting the client’s ear(s) 61
4.2 Proper transducer placement 61
5 Examples of audiometric testing
63
5.1 Testing the older child or adult patient
63
5.1.1 Assessing pure tone threshold using the Hughson/Westlake procedure 63
5.1.2 Assessing pure tone or speech most comfortable loudness level (MCL) 64
5.1.3 Assessing pure tone or speech uncomfortable loudness level (UCL)
64
5.1.4 Assessing speech reception threshold (SRT) using the Hughson/Westlake procedure
65
5.1.5 Assessing word recognition score 65
5.2 Special Tests 66
5.2.1 Performing Tone Decay using the Modified Carhart Method
66
5.2.2 Performing a pure tone Stenger
67
5.2.3 Performing speech Stenger 67
5.2.4 Performing Weber 68
5.2.5 Performing Rinne
68
5.2.6 Performing Alternate Binaural Loudness Balancing (ABLB) test
69
5.2.7 Performing Short Increment Sensitivity Index (SISI) test 69
5.3 Testing with sound files 70
5.3.1 Playing sound files without word lists
70
5.3.2 Playing sound files with word lists
70
6 Unpacking and installing 72
6.1 Requirements to the location 72
6.1.1 Requirements to noise in the test environment
72
6.2 Unpacking
73
6.3 Storing 73
6.4 Views of Madsen A450 73
6.5 Madsen A450 connection panel
74
6.6 Assembling Madsen A450
76
6.7 Desktop or wall-mount installation 76
6.8 Connecting accessories and PC to Madsen A450 78
6.9 Powering Madsen A450
78
4 Madsen A450