| Audio track + | 19:15:57, 20 February 2022 + |
| Audio tracks + | 00:16:06, 10 February 2018 + |
| Audio transducers + | 03:43:23, 17 October 2013 + |
| Audio-Vox Sprachinstitut + | 21:57:55, 22 June 2017 + |
| Audio-lingual method + | 12:14:07, 23 June 2017 + |
| Audio-vox sprachinstitut-3236 + | 14:07:55, 11 November 2017 + |
| Audio-vox sprachinstitut-3237 + | 14:08:35, 11 November 2017 + |
| Audio-vox sprachinstitut-chapterIV-m02598 + | 14:09:17, 11 November 2017 + |
| Audio-vox sprachinstitut-chapterIV-m02599 + | 14:09:43, 11 November 2017 + |
| Audio-vox sprachinstitut-chapterIX-m02572 + | 14:10:03, 11 November 2017 + |
| Audio-vox sprachinstitut-chapterIX-m02604 + | 14:10:22, 11 November 2017 + |
| Audio-vox-sprachinstitut-03234 + | 14:11:24, 11 November 2017 + |
| Audio-vox-sprachinstitut-03235 + | 14:11:45, 11 November 2017 + |
| Audio-vox-sprachinstitut-03268 + | 14:12:06, 11 November 2017 + |
| Audio-vox-sprachinstitut-03269 + | 14:12:30, 11 November 2017 + |
| Audio-vox-sprachinstitut-03270 + | 14:13:02, 11 November 2017 + |
| Audio-vox-sprachinstitut-03271 + | 14:13:48, 11 November 2017 + |
| Audio-vox-sprachinstitut-03272 + | 14:14:51, 11 November 2017 + |
| Audio-vox-sprachinstitut-03273 + | 14:15:12, 11 November 2017 + |
| Audio-vox-sprachinstitut-3224 + | 14:16:00, 11 November 2017 + |
| Audio-vox-sprachinstitut-3225 + | 14:16:32, 11 November 2017 + |
| Audio-vox-sprachinstitut-3236 + | 14:16:58, 11 November 2017 + |
| Audio-vox-sprachinstitut-3237 + | 14:17:32, 11 November 2017 + |
| AudioObject + | 13:12:40, 14 March 2017 + |
| AudioRecordFormat + | 11:52:19, 30 March 2017 + |