ffmpeg version N-68881-ga79ac73 Copyright (c) 2000-2015 the FFmpeg developers
  built on Jan  5 2015 22:02:22 with gcc 4.9.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  libavutil      54. 16.100 / 54. 16.100
  libavcodec     56. 19.100 / 56. 19.100
  libavformat    56. 18.100 / 56. 18.100
  libavdevice    56.  3.100 / 56.  3.100
  libavfilter     5.  6.100 /  5.  6.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, wav, from 'Unknown Artist - Unknown Title.wav':
  Duration: 01:00:54.00, bitrate: 1411 kb/s
    Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2 channels, s16, 1411 kb/s
Output #0, flac, to 'Unknown Artist - Unknown Title.flac':
  Metadata:
    encoder         : Lavf56.18.100
    Stream #0:0: Audio: flac, 44100 Hz, stereo, s16, 128 kb/s
    Metadata:
      encoder         : Lavc56.19.100 flac
Stream mapping:
  Stream #0:0 -> #0:0 (pcm_s16le (native) -> flac (native))
Press [q] to stop, [?] for help
size=   12012kB time=00:01:38.84 bitrate= 995.5kbits/s    
size=   24668kB time=00:03:23.44 bitrate= 993.3kbits/s    
size=   36512kB time=00:05:00.72 bitrate= 994.6kbits/s    
size=   44691kB time=00:06:31.52 bitrate= 935.1kbits/s    
size=   52555kB time=00:07:57.83 bitrate= 901.0kbits/s    
size=   61767kB time=00:09:37.82 bitrate= 875.7kbits/s    
size=   73684kB time=00:11:33.08 bitrate= 870.9kbits/s    
size=   86609kB time=00:13:16.21 bitrate= 891.1kbits/s    
size=   99010kB time=00:14:56.62 bitrate= 904.6kbits/s    
size=  111668kB time=00:16:42.68 bitrate= 912.3kbits/s    
size=  126392kB time=00:18:34.38 bitrate= 929.1kbits/s    
size=  140135kB time=00:20:20.96 bitrate= 940.2kbits/s    
size=  151687kB time=00:22:09.31 bitrate= 934.8kbits/s    
size=  161347kB time=00:23:51.19 bitrate= 923.5kbits/s    
size=  170543kB time=00:25:25.44 bitrate= 915.9kbits/s    
size=  181590kB time=00:27:14.01 bitrate= 910.4kbits/s    
size=  194078kB time=00:28:50.03 bitrate= 919.0kbits/s    
size=  206729kB time=00:30:33.16 bitrate= 923.8kbits/s    
size=  216322kB time=00:32:29.57 bitrate= 909.0kbits/s    
size=  225188kB time=00:34:11.13 bitrate= 899.4kbits/s    
size=  235348kB time=00:36:06.80 bitrate= 889.8kbits/s    
size=  244073kB time=00:37:52.33 bitrate= 879.9kbits/s    
size=  252863kB time=00:39:38.71 bitrate= 870.8kbits/s    
size=  260105kB time=00:41:29.99 bitrate= 855.7kbits/s    
size=  266360kB time=00:43:06.12 bitrate= 843.7kbits/s    
size=  273278kB time=00:45:01.37 bitrate= 828.7kbits/s    
size=  281844kB time=00:46:38.44 bitrate= 825.1kbits/s    
size=  292004kB time=00:48:22.41 bitrate= 824.2kbits/s    
size=  302379kB time=00:50:11.08 bitrate= 822.7kbits/s    
size=  313709kB time=00:51:57.76 bitrate= 824.3kbits/s    
size=  325951kB time=00:53:39.64 bitrate= 829.3kbits/s    
size=  338521kB time=00:55:24.55 bitrate= 834.1kbits/s    
size=  351465kB time=00:57:08.51 bitrate= 839.8kbits/s    
size=  364583kB time=00:58:49.66 bitrate= 846.2kbits/s    
size=  379357kB time=01:00:39.90 bitrate= 853.8kbits/s    
size=  380842kB time=01:00:54.00 bitrate= 853.8kbits/s    
video:0kB audio:380834kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.002125%