conner-diggle documents

Audio. 音訊原理 聲音由聲波構成，由介質傳遞 Human Ears The human ear is able to detect frequencies in the range between 20 Hz and 20 kHz –Upper limit decreases with
Documents Audio. 音訊原理 聲音由聲波構成，由介質傳遞 Human Ears The human ear is able to detect frequencies in the range between 20 Hz and 20 kHz –Upper limit decreases with