Configure the build with -enable -shared so that it builds the necessary shared object library (.so) files. To build libav, obtain the source code from the libav project. To build FFmpeg, obtain the source code from the FFmpeg project. It is recommended to use a shared build, but Audacity will also work with a static build. A static build consists of a single libavformat library, whereas a shared build has at least three libraries (libavformat, libavcodec and libavutil). If you download a pre-built library, this might be either a 'shared' or 'static' build. You may download (or compile) and install a compatible version of the FFmpeg or libav library for your purposes then locate it in Libraries Preferences. In this case, no additional installation is required, This is useful if you want to come back to editing later on.Some distributions (including Ubuntu), include FFmpeg by default when Audacity is installed from the official distribution repository. for a staged safety copy) before proceeding with any editing. Find out more at Burning music files to a CD.Īt this stage you will probably want to use File > Save Project > Save Project (or File > Save Project > Backup Project. For extra safety or convenience you could also copy the backup to an external drive or a CD - either a data CD for playing on the computer or an audio or 'music' CD for a CD player. The backup can always be returned to should you make a mess of your subsequent editing. This is particularly important if the recording is a one-off and cannot be repeated. It is strongly recommended that you Export a safety copy of the raw recording in uncompressed WAV or AIFF format.

When you have finished recording, click the Stop button. Continue recording for as long as you want, but keep an eye on the 'disk space remaining' message (in the Status Bar at bottom left of the Project Window) and on the Recording Meter (to ensure that you are maintaining a good level without clipping). Step 5: Make the real recordingĬlick the Record button in the Transport Toolbar then start the audio playing on the computer. If no clipping occurred you can now Edit > Undo Record from the menu to remove the test recording(s) then make the real recording. If clipping occurred, turn the recording or output level down a little and try again.

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