A.30% B.50% C.70% D.90%
A.聲道越多,數(shù)據(jù)量越大,音質越好 B.聲道越多,數(shù)據(jù)量越小,音質越差 C.聲道越少,數(shù)據(jù)量越大,音質越好 D.聲道越少,數(shù)據(jù)量越大,音質越差
A.DVI B.MPEG-1 C.MPEG-2 D.JPEG
A.Windows“錄音機”B.WinampC.SoundForgeD.Cool Edit Pro
A.wav B.mpga C.mp3 D.voc