40. The apparatus according to claim 39 , wherein the at least one memory and stored computer program code are configured to, with the at least one processor, cause the apparatus to combine said user provided audio information and said coded meta-information at least in part by: obtaining a modulation signal from said coded meta-information; obtaining a modulated signal by combining said user provided audio information and said modulation signal in a frequency domain; and obtaining said user provided audio information having embedded said meta-information by combining said modulated signal with said user provided audio information in a time domain.
42. The apparatus according to claim 40 , wherein said obtaining of said user provided audio information having embedded said meta-information comprises: obtaining said user provided audio information having embedded said meta-information by adding said modulation signal and said user provided audio information in said time domain.