BS EN ISO 7029-2000 声学.听阈与年龄的关系的统计分布
作者:标准资料网
时间:2024-05-13 14:59:33
浏览:9235
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Acoustics-Statisticaldistributionofhearingthresholdsasafunctionofage
【原文标准名称】:声学.听阈与年龄的关系的统计分布
【标准号】:BSENISO7029-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;听觉阈;衰老;龄期;声学测量;统计分布;频率;音频;听力测定;中位数;听觉
【英文主题词】:Acoustics;Age;Audibility;Audiometry;Auditorythreshold;Definition;Definitions;Determination;Mathematicalcalculations;People;Statisticaldata;Statisticaldistribution;Statistics
【摘要】:ThisInternationalStandardprovidesdescriptivestatisticsofthehearingthresholdforpopulationsofvariousages.Itspecifiesthefollowing,fortherangeofaudiometricfrequenciesfrom125Hzto8000Hzandforpopulationsofotologicallynormalpersonsofagivenagewithintheagelimitsof18yearsto70yearsinclusive:a)theexpectedmedianvalueofhearingthresholdsgivenrelativetothemedianhearingthresholdattheageof18years;b)theexpectedstatisticaldistributionaboveandbelowthemedianvalue.Thedataareapplicableforestimatingtheamountofhearinglosscausedbyaspecificagentinapopulation.Suchacomparisonisvalidifthepopulationunderstudyconsistsofpersonswhoareotologicallynormalexceptfortheeffectofthespecificagent.NoiseexposureisanexampleofaspecificagentandforthisapplicationselecteddatafromthisInternationalStandardarereferredtoas"DataBaseA"inISO1999.Thedatamayalsobeusedtoassessanindividual'shearinginrelationtothedistributionofhearingthresholdswhichisnormalfortheperson'sagegroup.However,itisnotpossibletodetermineforanindividualpreciselywhichpartofanobservedhearinglossisattributabletoanaccumulationofdetrimentaleffectsonthehearingwhichincreasewithage,andwhichparthasbeencausedbyotherfactorssuchasnoise.Thehearingthresholddeviationasdefinedhereinandthehearingthresholdlevelasdefinedinotherstandards(ISO389-1,ISO8253-1,ISO8253-2,IEC60645-1)expressthehearingthresholdofanindividualoranindividualearrelativeto,respectively,a)themedianhearingthresholdofapopulationof18-year-oldpersons,orb)areferencezerolevelspecifiedinvariouspartsofISO389.Totheextentthatthereferencezerolevelrepresentsthemedianofthe18-year-oldpopulation,thevaluesofthetwotermswillbethesame.
【中国标准分类号】:A42
【国际标准分类号】:17_140_99
【页数】:18P;A4
【正文语种】:英语
【原文标准名称】:声学.听阈与年龄的关系的统计分布
【标准号】:BSENISO7029-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-08-15
【实施或试行日期】:2000-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;听觉阈;衰老;龄期;声学测量;统计分布;频率;音频;听力测定;中位数;听觉
【英文主题词】:Acoustics;Age;Audibility;Audiometry;Auditorythreshold;Definition;Definitions;Determination;Mathematicalcalculations;People;Statisticaldata;Statisticaldistribution;Statistics
【摘要】:ThisInternationalStandardprovidesdescriptivestatisticsofthehearingthresholdforpopulationsofvariousages.Itspecifiesthefollowing,fortherangeofaudiometricfrequenciesfrom125Hzto8000Hzandforpopulationsofotologicallynormalpersonsofagivenagewithintheagelimitsof18yearsto70yearsinclusive:a)theexpectedmedianvalueofhearingthresholdsgivenrelativetothemedianhearingthresholdattheageof18years;b)theexpectedstatisticaldistributionaboveandbelowthemedianvalue.Thedataareapplicableforestimatingtheamountofhearinglosscausedbyaspecificagentinapopulation.Suchacomparisonisvalidifthepopulationunderstudyconsistsofpersonswhoareotologicallynormalexceptfortheeffectofthespecificagent.NoiseexposureisanexampleofaspecificagentandforthisapplicationselecteddatafromthisInternationalStandardarereferredtoas"DataBaseA"inISO1999.Thedatamayalsobeusedtoassessanindividual'shearinginrelationtothedistributionofhearingthresholdswhichisnormalfortheperson'sagegroup.However,itisnotpossibletodetermineforanindividualpreciselywhichpartofanobservedhearinglossisattributabletoanaccumulationofdetrimentaleffectsonthehearingwhichincreasewithage,andwhichparthasbeencausedbyotherfactorssuchasnoise.Thehearingthresholddeviationasdefinedhereinandthehearingthresholdlevelasdefinedinotherstandards(ISO389-1,ISO8253-1,ISO8253-2,IEC60645-1)expressthehearingthresholdofanindividualoranindividualearrelativeto,respectively,a)themedianhearingthresholdofapopulationof18-year-oldpersons,orb)areferencezerolevelspecifiedinvariouspartsofISO389.Totheextentthatthereferencezerolevelrepresentsthemedianofthe18-year-oldpopulation,thevaluesofthetwotermswillbethesame.
【中国标准分类号】:A42
【国际标准分类号】:17_140_99
【页数】:18P;A4
【正文语种】:英语
下载地址:
点击此处下载