摘要 |
An apparatus comprising: an input configured to receive an audio signal; a pairwise selector configured to pairwise select the audio signal and a further audio signal, the further audio signal being a verified audio signal; an offset determiner configured to determine an audio signal time offset between the audio signal and the further audio signal; a similarity predictor configured to generate a similarity index based on the time offset applied to one of the audio signal and the further audio signal when compared against the other of the audio signal and the further audio signal; a verifier configured to verify the audio signal time offset based on the similarity index; and a common time line controller configured to generate a common time line incorporating the audio signal. |