

I guess you have to convert the MP3 files to GarageBand’s more compatible AIFF file format. GarageBand only supports those MP3 audio files which have a sample rate of 44.1 kilohertz (kHz) and a bit depth of 16 bits. In this case, change the MP3 file extension to lower case in order to import MP3 to GarageBand. MP3”, GarageBand will refuse to import those kinds of MP3 audio. If you try to import MP3 files (like MP3 recorded from the Olympus LS-10) with the extension in upper case: “. Tip: if you hit “play” (the spacebar) after you’ve made a selection, Garageband will play only the portion of audio that you’ve selected. Selecting, cutting, and moving audio Using the crosshairs to click and drag, select the portion of the audio that you want to delete or move. How do you cut a song on GarageBand on a Mac? Select an audio track, then choose View > Show Editor.Select an audio track, then click the Editors button in the control bar.Double-click an audio region in the Tracks area.To keep the selection (and delete the rest of the recording), tap Trim, or to delete the selection, tap Delete.In the list of recordings, tap the recording you want to edit, tap.How do I edit an audio file on my iPhone? As you drag, a tooltip shows you the new In or Out point and the duration of the modified track.

In the Audio list, select a track, place the pointer over the beginning or end of the green bar in the mini-Timeline until the trim pointer appears, then drag left or right.
