【bat脚本】使用ffmpeg工具剥离某一个声道

使用ffmpeg工具剥离某一个声道

@echo off 
set work_path=whole
set human_path=left_channel
:E
:cd %work_path% 
:
mkdir %human_path%
set log_file=extract_%TIME:~0,2%%TIME:~3,2%%TIME:~6,2%.log


echo ============ the start time is %TIME:~0,2:%%TIME:~3,2:%%TIME:~6,2%======================== > %log_file%

for %%w in (%work_path%\*.wav) do ( 
    echo processing %%w 
	ffmpeg -i %%w -af "pan=mono|FC=FL" %human_path%\left_%%~nw.wav >> %log_file% 2>&1
)

pause