MATERIALS: Impact of face masks on voice radiation

Speaker directivities of a HEAD acoustics HMS II.3 head and mouth simulator wearing different mouth and nose covers in the SOFA format, as "GeneralFIR" convention, as described in [1]. [1] Poerschmann C., Luebeck T., & J.M. Arend (2020). "Impact of face masks on voice radiation". The Journal of the Acoustical Society of America 148(6) pp.3663-3670 (2020) ________________________________________________________________________________________________________ Name convention: Directivity_no_mask_ref: Reference measurement: HMS without a mask Directivity_mask1-6: all measured masks, according to the numeration below. All masks were measured two times indicated with "measurement2". Medical masks: 1) Disposable Triple Layer Filter Dustproof Earloop Non Woven medical mask, (brandname: Arvin, Protection Class DS3) Filtering facepiece respirators: 2) Three-dimensional respirator, Protection Class KN 95 (manufacturer: Suzhou Jinruida Protective Equipment Co, Inc.) 3) MB 21 - fine dust respirator, Protection Class FFP 2 (manufacturer: MB Filter Products AB, Sävedalen, Sweden) Cloth face coverings: 4) Microfibre scarf (manufacturer: Rose, material: 100\% polyester) 5) Cloth Face Covering (manufacturer: Modeatelier Scharn, Engelskirchen, Germany) 6) Hand-made cloth face covering: Double Layers cotton (manufacturer Stoffliebe, Gelsenkirchen, Germany) ________________________________________________________________________________________________________ Contact: Christoph Pörschmann, Tim Lübeck, and Johannes M. Arend TH Köln - University of Applied Sciences Institute of Communications Engineering Department of Acoustics and Audio Signal Processing Betzdorfer Str. 2, D-50679 Cologne, Germany https://www.th-koeln.de/personen/christoph.poerschmann/ https://www.th-koeln.de/personen/tim.luebeck/ https://www.th-koeln.de/personen/johannes.arend/本数据集存储了HEAD acoustics品牌HMS II.3型头部与嘴部模拟器佩戴各类口鼻遮盖物时的扬声器指向性数据，采用SOFA格式（SOFA format）并遵循GeneralFIR约定，相关说明详见文献[1]。 [1] 珀施曼 C., 吕贝克 T., 阿伦德 J.M. (2020). 口罩对语音辐射的影响. 《美国声学学会杂志》, 148(6), 3663-3670 (2020) ________________________________________________________________________________________________________ 命名约定： Directivity_no_mask_ref：参考测量结果：未佩戴任何遮盖物的HMS模拟器指向性数据 Directivity_mask1-6：对应下述编号的所有被测遮盖物的指向性数据。所有遮盖物均完成两次测量，以"measurement2"标识第二次测量结果。 医用口罩： 1) 一次性三层过滤防尘耳挂式无纺布医用口罩（品牌：Arvin，防护等级DS3） 过滤式面罩呼吸器： 2) 三维立体防护口罩，防护等级KN95（制造商：苏州金瑞达防护用品有限公司） 3) MB 21型细粉尘防护呼吸器，防护等级FFP 2（制造商：MB Filter Products AB，瑞典舍维德伦） 织物面罩： 4) 超细纤维围巾（制造商：Rose，材质：100%聚酯纤维） 5) 织物面罩（制造商：Modeatelier Scharn，德国恩格尔斯基兴） 6) 手工双层棉制织物面罩（制造商：Stoffliebe，德国盖尔森基兴） ________________________________________________________________________________________________________ 联系方式：克里斯托夫·珀施曼（Christoph Pörschmann）、蒂姆·吕贝克（Tim Lübeck）、约翰内斯·M·阿伦德（Johannes M. Arend） 德国科隆应用科技大学（TH Köln） 通信工程学院 声学与音频信号处理系 Betzdorfer Str. 2, D-50679 科隆, 德国 个人主页： https://www.th-koeln.de/personen/christoph.poerschmann/ https://www.th-koeln.de/personen/tim.luebeck/ https://www.th-koeln.de/personen/johannes.arend/