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| background sound (An audio file associated with a Web page. When a site visitor opens the page in a Web browser, the audio file plays either continuously or the number of times that the code in the Web page specifies) | |||
| background sounds | |||
| background sound | |||
| upsound (mbauer) | |||
| фоновый звук: 10 phrases in 3 subjects |
| Cinematography | 1 |
| Mass media | 8 |
| Telecommunications | 1 |