An audio and/or video generation apparatus configured to generate audio and/or video signals representative of an audio and/or video source, the audio and/or video generation apparatus comprising a recording unit configured to record the audio and/or video signals on a recording medium, wherein the audio and/or video generation apparatus is arranged to receive metadata associated with the audio and/or video signals generated by a data processor, the recording unit configured to record the metadata on the recording medium with the audio and/or video signals. The data processor may be arranged to receive signals representative of the time codes of the recorded audio/video signals, and the metadata may include time code data representative of the in and out points of a take of the audio/video signals generated by the data processor. The metadata may also include unique identification code for identifying the audio/video signals. The unique identification code may be a UMID or the like.