急問~如何計算AVI檔案大小

如題,請問要如何計算出大小??感謝賜教!

資訊如下:

Video

Format : H.263

Codec ID : H263

Duration : 2mn 42s

Bit rate : 711 Kbps

Width : 352 pixels

Height : 288 pixels

Display aspect ratio : 1.222

Frame rate : 15.000 fps

Resolution : 24 bits

Bits/(Pixel*Frame) : 0.468

Stream size : 13.8 MiB (84%)

Audio

Format : PCM

Format settings, Endianness : Little

Format settings, Sign : Unsigned

Codec ID : 1

Codec ID/Hint : Microsoft

Duration : 2mn 42s

Bit rate mode : Constant

Bit rate : 128 Kbps

Channel(s) : 1 channel

Sampling rate : 8 000 Hz

Resolution : 16 bits

Stream size : 2.48 MiB (15%)

Interleave, duration : 511 ms (7.66 video frames)

Interleave, preload duration : 512 ms

1 Answer

Rating
  • 1 decade ago
    Best Answer

    Video+Audio的位元率(Bit rate)除以8再乘以秒數,得到的就是檔案的大小(Kb)。

    (711+128)/8*(2*60+42)=16989.75(Kb),大約16.59Mb左右。

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