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【英文标准名称】:Acoustics;audiometrictestmethods;part2:soundfieldaudiometrywithpuretoneandnarrow-bandtestsignals
【原文标准名称】:声学听力测试方法第2部分:纯音和窄带试验信号声场测听方法
【标准号】:ISO8253-2-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;试验;听力测定;噪声试验;测试信号;试验条件
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Amplification;Audiometers;Audiometry;Auditorythreshold;Calibration;Clay;Closedtestrooms;Definitions;Electricalengineering;Frequencies;Hearingaids;Investigations;Levels;Listeningtests;Loudspeakers;Measurementofthresholdofaudibility;Microphones;Noise(spurioussignals);Noisetest;Signals;Sound;Soundfields;Specification(approval);Specifications;Testsignals;Testing;Testingconditions;Tests
【摘要】:Specifiesrelevanttestsignalcharacteristics,requirementsforfree,diffuseandquasi-freesoundfields,andproceduresforsoundfieldaudiometryusingpuretones,frequencymodulatedtonesorothernarrow-bandtestsignalspresentedbyoneormoreloudspeakers,primarilyforthepurposeofdetermininghearingthresholdlevelsinthefrequencyrangefrom125Hzto12500Hz.Thepurposeistoensurethattestsofhearinggiveashighadegreeofaccuracyandreproducibilityaspossible.
【中国标准分类号】:A42
【国际标准分类号】:13_140
【页数】:12P.;A4
【正文语种】:英语