java去除音频无声_java – 使用FFMPEG和silencedetect删除音频静音

我试图使用以下命令与最新的ffmpeg构建来删除我的.mp3文件中的沉默:

ffmpeg -i SILENCE.mp3 -af silencedetect=n=-50dB:d=1 -y -ab 192k SILENCE_OUT.mp3

但是,会生成以下输出:

ffmpeg version N-66154-g1654ca7 Copyright (c) 2000-2014 the FFmpeg developers

built on Sep 5 2014 22:10:38 with gcc 4.8.3 (GCC)

configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av

isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab

le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --

enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-lib

modplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrw

b --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinge

r --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --en

able-lib

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