Windows Media Encoding Script includes 14 system profiles for encoding content that contains both audio and video. The following table contains a brief description of each profile.
Profile name |
Bit rate (Kbps) |
Actual rate (Kbps) |
Description |
av20 |
28 |
20 |
28-Kbps modem |
av32 |
56 |
32 |
56-Kbps modem |
av100 |
100 |
100 |
Local area network (LAN) |
av225 |
256 |
225 |
LAN |
av350 |
384 |
350 |
LAN and digital subscriber line (DSL) |
av450 |
768 |
450 |
LAN and DSL |
av700 |
700 |
700 |
Near-broadcast-quality National Television System Committee (NTSC) |
av1400 |
1,400 |
1,400 |
Near-broadcast-quality NTSC |
av350pal |
384 |
350 |
Broadband Phase Alternating Line (PAL) |
av700pal |
700 |
700 |
Near-broadcast-quality PAL |
av100_2p |
100 |
100 |
LAN and two-pass constant bit rate (CBR) |
av350_2p |
350 |
350 |
LAN, DSL, and two-pass CBR |
av600vbr |
600 |
600 |
Film and peak variable bit rate (VBR) |
avq97vbr |
-- |
-- |
Film, VBR, and quality-based VBR |