在linux 下用ffmpeg 进行转码,进入到ffmpeg所在目录:
# mp3转m4a
./ffmpeg -i input.mp3 -c:a aac -b:a 32k output.m4a
./ffmpeg -i input.mp3 -c:a libfdk_aac -vbr 5 output.m4a
# wav转mp3
./ffmpeg -i input.wav -f mp3 -acodec libmp3lame -y output.mp3
# mp3转pcm
./ffmpeg -i 输入音频路径 -f s16le -ar 16000 -acodec pcm_s16le -y 输出pcm文件路径
参考文档:
https://superuser.com/questions/370625/ffmpeg-command-to-convert-mp3-to-aac
https://blog.csdn.net/xing_____/article/details/79615604
http://www.idcspy.org/linux-course-install.html