The purpose of this article is to address the issue that children's natural singing voices and pitch perception are in a treble range, and a male elementary general music teacher's natural singing voice is an octave below. There are many strategies to overcome this significant but manageable obstacle in daily teaching, including monitoring of…

Level-invariant detection refers to findings that thresholds in tone-in-noise detection are unaffected by roving-level procedures that degrade energy cues. Such data are inconsistent with ideas that detection is based on the energy passed by an auditory filter. A hypothesis that detection is based on a level-invariant temporal cue is advanced.…