用的是megui,config里选的是downmix multichannel to stereo,看了下log应该是调用了avs的downmix脚本
输出是两声道但有类似啸叫的高频噪音,不知道该怎么解决
原始音频信息
Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Codec ID : 2000
Duration : 29mn 38s
Bit rate mode : Constant
Bit rate : 384 Kbps
Channel(s) : 5 channels
Channel positions : Front: L C R, Side: L R
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Delay relative to video : 30ms
Stream size : 81.4 MiB (23%)
Alignment : Split accross interleaves
Interleave, duration : 42 ms (1.00 video frame)
Interleave, preload duration : 500 ms
megui log(part)
EnsureVBRMP3Sync()
Trim(0,0)
# detected channels: 5 channels
# detected channel positions: 3/2/0
c5_stereo(ConvertAudioToFloat(last))
Normalize()
return last