In order to play MIDI audio on QuickTime, you just need to choose the MIDI file to add in the QuickTime Pro with choose File Open File and select the MIDI file you want to play. You can also set QuickTime to use an external synthesizer instead of the built-in one.

With its Jukebox function, Sweet MIDI Player can let you create playlists with up to 500 songs.

It can help you easily edit the control messages, transpose the music, change the tempo, mute desired MIDI channels and save the end results to disk. Quicktime Pro 2018 High Sierra Driver Or Incorrectlyīesides sound card issue, the MIDI files not playing issue may cause by not installing MIDI driver or incorrectly setting MIDI Mapper.īefore attempting the troubleshooting, you can try to restart your Windows first and try to do the MIDI playback first. However, many users respond that Windows Media Player cannot play MIDI audio file smoothly, as the Microsoft program frequently sent message of sound card error during MIDI playback. However, you may find out that some popular media tools like VideoLAN, Audacity and more cannot support MIDI playback.

Quicktime Pro 2018 High Sierra Driver Or Incorrectly.

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