Phonautograph - Wikipedia
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Phonautograph – Wikipedia
Blue Jack on X: @AmirZ77 تا اونجایی که فهمیدم برای پخش طراحی نشده بوده و فقط وظیفش ثبت مکانیکی صدا بوده که میشده با نگاه کردن دید که چطور صداهای با شدت مختلف را ثبت میکنه. / X
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