Spark

SLU professor creates special mask for singers and speakers

Posted on December 20, 2021

SLU professor creates special mask for singers and speakers https://ift.tt/33MdUjX SLU, Spark, esb7, invention, masks, professor

This entry was posted in Uncategorized and tagged esb7, invention, masks, professor, SLU, Spark.

VocalEase lets masked singers be heard

Posted on December 20, 2021

VocalEase lets masked singers be heard https://ift.tt/30J6AEq esb7, innovation, invention, SLU, masks, Spark

This entry was posted in Uncategorized and tagged esb7, innovation, invention, masks, SLU, Spark.