Ən yaxşı natiqlər səsli video test (10 -20000 Hz) – 15 dəqiqəlik xətti amplituda, tam aralık – Most relaxing sounds and videos

Ən yaxşı natiqlər səsli video test (10 -20000 Hz) – 15 dəqiqəlik xətti amplituda, tam aralık, bas, orta və yuxarı – video spektri və yüksək keyfiyyətli audio.

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