Replay Media Catcher (RMC) 4 uses ffmpeg for extracting MP3 audio tracks from FLV files to MP3. If you don't like command line tools, you can use software like RMC 4 instead:



How to convert FLV (with MP3 audio track) to MP3 without losing quality with Replay Media Catcher (RMC) 4 after downloading FLV file automatically:

• Open Replay Media Catcher.
• Start Recording
• Select the "Audio Extraction (Extract MP3 to MP3)" conversion preset
• Navigate to a web-site you want to record FLV stream from
• HTTP and RTMP .FLV streams will be downloaded/captured automatically. Then MP3 audio tracks will be extracted to .MP3 files automatically.

How to convert any FLV or MP4 file (with MP3 audio track) to MP3 with Replay Media Catcher 4:

• Open Replay Media Catcher.
• Select the "Audio Extraction (Extract MP3 to MP3)" conversion preset
• Go to "Tools" -> "Convert ..."
• Select FLV files from which you want to extract MP3 audio tracks
  (CTRL key can help to select multiple files) and hit the "Open" button.
• MP3 tracks from the selected FLV file(s) will be extracted into .MP3 file(s)