galleryng
發表於 2012-1-8 10:43
回復 19# rockerlam
剛剛試咗用ipad裝"SPL meter"去測試過我嘅5.1setting,除咗十仔有很大偏差外,其他聲道只有1~2db偏差,都幾準{:6_211:}
dominickwok
發表於 2012-1-8 12:52
iPhone's microphone cannot be used to measure low frequencies from subwoofer.For other channels, it is ok for rough calibration.