File talk:50Hz sinus sound.ogg
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I can not hear anything. — Preceding unsigned comment was added by 2001:A62:1906:3901:B115:A3E7:1BD0:B110 (talk) 05:26, 7 August 2019 (UTC)
I can not hear anything. — Preceding unsigned comment was added by 2001:A62:1906:3901:B115:A3E7:1BD0:B110 (talk) 05:26, 7 August 2019 (UTC)[reply]