{"id":197627,"date":"2024-10-19T12:34:44","date_gmt":"2024-10-19T12:34:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/asa-s3-42-1992-part1\/"},"modified":"2024-10-25T05:08:14","modified_gmt":"2024-10-25T05:08:14","slug":"asa-s3-42-1992-part1","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/asa\/asa-s3-42-1992-part1\/","title":{"rendered":"ASA S3.42 1992 Part1"},"content":{"rendered":"

None<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
6<\/td>\nA.4 Cross-spectrum analysis………………………………………………………………. 1
A.S Coherence function . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <\/td>\n<\/tr>\n
7<\/td>\n0 INTRODUCTION <\/td>\n<\/tr>\n
8<\/td>\nREFERENCES
1 SCOPE
2 DEFINITIONS
2.1 NSPL90
2.2 Full-on noise gain
2.3 Spectrum
2.4 Spectrum level
2.5 Auto-spectrum (power spectrum
2.6 Cross-spectrum
2. 7 Coherence
2.8 Crest factor
2.9 Spectrum analyzer
A.5.2 Coherence using synchronous analysis with a pseudo-random noise
\n input signal ………………………………………………………………………. 1
APPENDIX 8: SMOOTHED DAT A PRESENTATION………………………………. 1 <\/td>\n<\/tr>\n
9<\/td>\n2.10 RMS
2 .11 Butterworth filter
2.12 Random noise
2 .13 Pseudo-random noise
2. 14 In-situ
2 .15 Simulated in-situ
2.16dBSPL
2 .1 7 Synchronous analysis
3 NOISE INPUT SIGNAL
3.1 Noise type and crest factor <\/td>\n<\/tr>\n
10<\/td>\n3.2 Spectrum <\/td>\n<\/tr>\n
11<\/td>\n4 SPECTRUM ANALYSIS EQUIPMENT
5 TEST ENVIRONMENT <\/td>\n<\/tr>\n
12<\/td>\n6 TEST PROCEDURES
6.1 Equalization
6.2 Hearing Aid Settings
6.3 NSPL 90
6.4 Full-on Noise Gain
6.5 Frequency Response <\/td>\n<\/tr>\n
13<\/td>\n6.6 Family of Frequency Response Curves
6.7 Output Versus Input Characteristic <\/td>\n<\/tr>\n
14<\/td>\nAPPENDIX A: FAST FOURIER SPECTRUM ANALYSIS FOR
\n DEVELOPING HEARING AID FREQUENCY
\n RESPONSES
A.1 Introduction <\/td>\n<\/tr>\n
15<\/td>\nA.2 Synchronous analysis with pseudo-random noise versus analysis with
\n random noise
V
\n vi
\n A.3 Auto-Spectrum analysis
A.3.1 Synchronous auto-spectrum analysis with pseudo-random noise
A.3.2 Auto-spectrum analysis with random noise <\/td>\n<\/tr>\n
16<\/td>\nA.4.1 Cross-spectrum analysis with pseudo-random noise
A.4.2 Cross-spectrum analysis with random noise
A.5.1 Coherence with cross-spectrum analysis <\/td>\n<\/tr>\n
18<\/td>\nA.5.3 Bias and variance in coherence measurements
A.6 Coherent and noncoherent power <\/td>\n<\/tr>\n
19<\/td>\nB.1 3-point or 5-point running average
B.2 Third-octave running average method
8.3 Tenth-octave running method <\/td>\n<\/tr>\n
20<\/td>\nAPPENDIX C: SUMMARY OF TESTING CHARACTERISTICS TO BE
\n SPECIFIED <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

ANSI\/ASA S3.42-1992\/Part 1 (2017) American National Standard Testing Hearing Aids with a Broad-Band Noise Signal<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
ASA<\/b><\/a><\/td>\n1992<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":197630,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2652],"product_tag":[],"class_list":{"0":"post-197627","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asa","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/197627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/197630"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=197627"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=197627"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=197627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}