- At the start, it calculates the offset between Preservation Audio and the Audio of the Preservation Audio-Visual File.
- Sends Audio Irregularity File to and receives Video Irregularity Files from Video Analysis for Preservation.
- Extracts the Audio Files corresponding to the Irregularities identified in both Irregularity Files.
- Sends the Irregularity merged from the Audio and Video Irregularity Files to Tape Irregularity Classification with the corresponding Audio Files.
3 Reference Model
Figure 1 – Audio Analysis for Preservation AIM
4 Input/Output Data
|Preservation Audio File
|The input Audio File resulting from the digitisation of an audio open-reel tape to be preserved and, in case, restored.
|Preservation Audio-Visual File
|The input Audio-Visual File resulting from the digitisation of an audio open-reel tape to be preserved and of the output of the video camera pointed at the reading head of the audio playback.
|Video Irregularity File
|A JSON file containing information about the Irregularities of the Preservation Audio-Visual File received from Video Analysis for Recording.
|Audio Segments corresponding to Irregularities of the Preservation Audio File.
|Audio Irregularity File
|A JSON file containing information about Irregularities of the Preservation Audio File sent to Video Analysis for Recording.