T.S Elliot - in his final speech, “Othello is endeavouring to escape reality, he had ceased to think about Desdemona and is thinking about himself.”
Granville-Baker - of 'my lord..' Desdemona’s agonised cry to God, and as the sharp sound of it is slowly stifled, Emilia’s voice at the door rising through it, using the same words in another sense - "a macabre duet”