The Audio Unit Player is a versatile music player designed for real-time audio processing. It allows you to manipulate audio with features like time stretch effects and pitch shift functionality. Users can easily adjust the playback speed from 0.5 to 2.0 times the normal speed and shift the pitch up or down by up to one octave.

This app is especially useful for those wanting to improve their singing skills, making it an excellent karaoke training tool. With the tempo adjustment for playback, you can slow down songs to learn phrases for guitar, bass, or keyboard instruments. Many musicians have found that this feature makes it easier to copy complex musical phrases.

The Audio Unit Player offers a 31 band equalizer that lets you make high-frequency adjustments and low-frequency adjustments for a tailored listening experience. You can also create custom EQ presets, allowing you to save your favorite settings for future use. Built-in reverb effects enhance your sound, and you can adjust the decay time, giving you control over how the audio resonates.

With its AUv3 host capabilities, the Audio Unit Player can load and host other audio unit effects, expanding its functionality. It also features A-B loop playback, which allows you to repeat a specific section of a song. The center cancel feature helps in reducing vocals from tracks, making it perfect for karaoke practice.

For added convenience, the app includes background playback support, so you can continue enjoying your music while using other apps. You also have the option to import audio files easily from other sources, like Voice Memos. To import, simply start the Voice Memos app, select the desired file, and share it to the Audio Unit Player.

The waveform position display shows your current location in the track, making navigation straightforward. You can also quickly fast forward or rewind playback by specifying the number of seconds you want to move. This makes it easy to skip to your favorite parts or review sections you want to practice.

The music file export function allows you to save your audio with all your selected effects, like speed and pitch settings, included. This is particularly useful for sharing your customized audio with friends or collaborators.

With seamless pitch adjustments, you can shift the pitch of tracks in semitones, making it easy to change keys for band performances. The custom playback speed settings and options for playback at double speed make this app incredibly flexible for various musical needs.

Finally, the app integrates smoothly with your standard music library and supports audio unit format. This means you can enjoy a wide range of music while benefiting from this powerful audio processing tool. Whether you're a musician, singer, or just a music enthusiast, the Audio Unit Player opens up a world of possibilities for your audio experience.