How to record as separate files (after silence) with Sound Recorder?

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http://askubuntu.com – I have installed Sound Recorder to record sounds played by my computer. sudo apt-add-repository ppa:osmoma/audio-recorder sudo apt-get update sudo apt-get install audio-recorder I want it to create separate files after several seconds of silence. It has a lot of possible settings especially by activating the "timer". But stopping after silence and restarting recording if sound is played would continue recording in the same file. I want it to continue in a new file each time. That would increase the probability of recording separate audio parts/songs as separate files. Is there a set (HowTos)