A data processing apparatus adapted to generate a recording for a content includes: input circuitry configured to obtain image data and corresponding audio data for the content, the image data including a plurality of image frames, a plurality of machine learning models including one or more first machine learning models and one or more second machine learning models, each first machine learning model configured to obtain at least a part of the image data and trained to output respective indicator data for the plurality of image frames, each second machine learning model configured to obtain at least a part of the audio data and trained to output respective indicator data for the plurality of image frames corresponding to the at least part of the audio data, where the respective indicator data associated with an image frame is indicative of an interest score for the image frame, authoring circuitry configured to select one or more groups of image frames from the plurality of image frames in dependence upon respective indicator data associated with the plurality of image frames, and recording circuitry configured to generate the recording for the content, the recording including one or more of the selected groups of image frames.