[FFmpeg-user] ffmpeg convert audio noise.how to improve the command?

[Carl Eugen Hoyos]

> Am 07.08.2019 um 16:48 schrieb 张凯 <zhangkai.gis at 163.com>:
> 
> the input file is Linux named pipe file.so it is not a regular file.

Then please write the content of the pipe in a regular file and provide it.

Please do not top-post here, Carl Eugen