Sometimes you may want to record what the iPhone is currently playing,such as online radios, streaming music from websites and music apps. Voice Memos and other third party sound recorders however can only record audio from the microphone, not those system or internal sound and audio streaming from other apps or websites on iPhone.
Apps like QuickTime Player can help us mirror iPhone iPad screen to Mac. You can also use it to record what is displaying on your iOS screen or audio and music that is playing on your iPhone iPad.
Connect your iPhone or iPad to your Mac via the lightning cable. Run QuickTime Player from the Launchpad on Mac. From the top menu bar, click File, then select ‘New Audio Recording‘.
A recording window will appear.
Click the down arrow besides the Record button, and select your iPhone from the Microphone list. Go to play what you like to record on your iPhone. Click the Record button in the Audio Recording utility of QuickTime Player. You will not hear the sound from iPhone, but the sound levels in the Audio Recording utility show the audio input from your iPhone. When you want to stop the iPhone internal audio recording, click the Stop button, choose a location and file name and save the iPhone internal audio recording files to your Mac computer.
Can I record system sound using QuickTime Player on Mac?
By default QuickTime Player can only record sound from your internal microphone. If you want to capture only system audio on Mac, you will need to install a virtual sound card. You can find more details from this guide to record system audio using QuickTime Player on Mac.