I would like to have an application that can record audio continuously and store in memory only last N seconds or minutes, so that I could press a key and save recently recorded audio into a file. It must not consume additional resources (memory and disk space) with time until I explicitly demand it.

Preferable but not mandatory:

  • Save audio in an open compressed format (not raw)
  • A button to immediately start listening saved file

Preferably desktop, preferably freeware.

References: loop recording, circular buffer.

  • What OS(es)? (unfortunately I don't know anything like that for any OS but still good to mention preferred OS) Commented Mar 9, 2014 at 14:58
  • @NickWilde Preferably desktop (any)
    – user
    Commented Mar 9, 2014 at 15:10
  • @user3075942 "any" includes NetBSD, OS/2, ??? Better explicitly name the OSs you're after, even if multiple are OK. Or you might get some recommendations for AmigaOS (don't laugh, last release of that was 11/2012!) :)
    – Izzy
    Commented Mar 10, 2014 at 10:40
  • You could use a video program and only keep the audio for it. Commented Mar 10, 2014 at 14:48
  • 1
    @Izzy, as you can see, here are no suggestions now, so I am interested even in rare platforms if there is app for this task.
    – user
    Commented Mar 10, 2014 at 17:59


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