Headphone group delay alters audibility of phase-spectrum effects

Evidence

The reader is encouraged to listen to the effects using headphones; however, note that the group delay of the headphone has a dramatic effect on the phenomenon, and the results are not easily reproducible with all headphone models. — Ville Pulkki, Matti Karjalainen, Communication Acoustics- An…, 1272

Categorization

• QUESTION: Which headphone designs minimize group delay spread, and does this explain why high-end headphones advertise phase performance?