Objective:The purpose of the study was to evaluate listening effort in adults who experience varied annoyance towards noise.Materials and methods:Fifty native Kannada-speaking adults aged 41e68 years participated.We e...Objective:The purpose of the study was to evaluate listening effort in adults who experience varied annoyance towards noise.Materials and methods:Fifty native Kannada-speaking adults aged 41e68 years participated.We evaluated the participant's acceptable noise level while listening to speech.Further,a sentence-final wordidentification and recall test at 0 dB SNR(less favorable condition)and 4 dB SNR(relatively favorable condition)was used to assess listening effort.The repeat and recall scores were obtained for each condition.Results:The regression model revealed that the listening effort increased by 0.6%at 0 dB SNR and by 0.5%at 4 dB SNR with every one-year advancement in age.Listening effort increased by 0.9%at 0 dB SNR and by 0.7%at 4 dB SNR with every one dB change in the value of Acceptable Noise Level(ANL).At 0 dB SNR and 4 dB SNR,a moderate and mild negative correlation was noted respectively between listening effort and annoyance towards noise when the factor age was controlled.Conclusion:Listening effort increases with age,and its effect is more in less favorable than in relatively favorable conditions.However,if the annoyance towards noise was controlled,the impact of age on listening effort was reduced.Listening effort correlated with the level of annoyance once the age effect was controlled.Furthermore,the listening effort was predicted from the ANL to a moderate degree.展开更多
目的探索国际语音测试信号(international speech test signal,ISTS)和普通话版本可接受噪声级(mandarin acceptablenoiselevel,M-ANL)材料的复测信度及左右耳等价性。方法利用国际通用ISTS和普通话版M-ANL作为测试材料,以多人谈话的语...目的探索国际语音测试信号(international speech test signal,ISTS)和普通话版本可接受噪声级(mandarin acceptablenoiselevel,M-ANL)材料的复测信度及左右耳等价性。方法利用国际通用ISTS和普通话版M-ANL作为测试材料,以多人谈话的语频噪声(babblenoise,BN)作为背景噪声,对37例健听青年使用耳机分别进行左右耳的可接受噪声级(acceptablenoiselevel,ANL)测试,获得最舒适阈级(mostcomfortablelevel,MCL)和最大背景噪声级(backgroundnoiselevel,BNL),计算ANL值,以测试后1周和3周为时间节点进行复测,并对结果进行统计分析。结果将以M-ANL和ISTS为测试材料的MCL、BNL、ANL值进行两两比较,两种材料的3次测试结果相关性高(均可得r>0.5,P<0.001);ISTS材料下的ANL结果(r>0.7,P<0.001)相关性高于M-ANL材料下的ANL结果(r>0.5,P<0.001);耳机下ANL测试左右耳的MCL、BNL及ANL值无统计学差异(P>0.05)。结论 M-ANL和ISTS材料下的ANL测试具有良好的复测信度;耳机下两种材料的ANL测试左右耳具有等价性。展开更多
目的探讨可接受噪声值(acceptable noise level,ANL)对助听器效益的预估和验证价值。方法对98例助听器使用者,按照助听器验配即刻测得的ANL值分为<7 d B、7~13 d B和>13 d B三组,分别测试各组受试者在助听器验配3个月时的ANL值和...目的探讨可接受噪声值(acceptable noise level,ANL)对助听器效益的预估和验证价值。方法对98例助听器使用者,按照助听器验配即刻测得的ANL值分为<7 d B、7~13 d B和>13 d B三组,分别测试各组受试者在助听器验配3个月时的ANL值和助听器效果国际性调查问卷(international outcome inventory for hearing aids,IOI-HA)得分。结果<7 d B组、7~13 d B组和>13 d B组在助听器验配即刻ANL值分别为4.53±2.42 d B、10.75±4.16 d B和18.87±6.81d B,3组在助听器验配3个月时的ANL值分别为4.21±2.64 d B、10.66±4.58 d B和18.07±5.62 d B。同组内不同时间两两比较,差异无统计学意义(P>0.05)。助听器验配即刻和3个月时的ANL值与IOI-HA得分均呈较强负相关(r=-0.81、-0.85)(P<0.01)。结论 ANL值比较稳定,易于操作,可作为预估验证助听效益可靠的评估指标。展开更多
文摘Objective:The purpose of the study was to evaluate listening effort in adults who experience varied annoyance towards noise.Materials and methods:Fifty native Kannada-speaking adults aged 41e68 years participated.We evaluated the participant's acceptable noise level while listening to speech.Further,a sentence-final wordidentification and recall test at 0 dB SNR(less favorable condition)and 4 dB SNR(relatively favorable condition)was used to assess listening effort.The repeat and recall scores were obtained for each condition.Results:The regression model revealed that the listening effort increased by 0.6%at 0 dB SNR and by 0.5%at 4 dB SNR with every one-year advancement in age.Listening effort increased by 0.9%at 0 dB SNR and by 0.7%at 4 dB SNR with every one dB change in the value of Acceptable Noise Level(ANL).At 0 dB SNR and 4 dB SNR,a moderate and mild negative correlation was noted respectively between listening effort and annoyance towards noise when the factor age was controlled.Conclusion:Listening effort increases with age,and its effect is more in less favorable than in relatively favorable conditions.However,if the annoyance towards noise was controlled,the impact of age on listening effort was reduced.Listening effort correlated with the level of annoyance once the age effect was controlled.Furthermore,the listening effort was predicted from the ANL to a moderate degree.
文摘目的探讨可接受噪声值(acceptable noise level,ANL)对助听器效益的预估和验证价值。方法对98例助听器使用者,按照助听器验配即刻测得的ANL值分为<7 d B、7~13 d B和>13 d B三组,分别测试各组受试者在助听器验配3个月时的ANL值和助听器效果国际性调查问卷(international outcome inventory for hearing aids,IOI-HA)得分。结果<7 d B组、7~13 d B组和>13 d B组在助听器验配即刻ANL值分别为4.53±2.42 d B、10.75±4.16 d B和18.87±6.81d B,3组在助听器验配3个月时的ANL值分别为4.21±2.64 d B、10.66±4.58 d B和18.07±5.62 d B。同组内不同时间两两比较,差异无统计学意义(P>0.05)。助听器验配即刻和3个月时的ANL值与IOI-HA得分均呈较强负相关(r=-0.81、-0.85)(P<0.01)。结论 ANL值比较稳定,易于操作,可作为预估验证助听效益可靠的评估指标。
