Published on 6th January 2025

Loop-Sessions LLC Update Audio Unit Player

Loop-Sessions LLC have updated Audio Unit Player, currently available for $0.99.

What’s new in version 6.1:

Added “Center Emphasis” function. (Used by switching with “Center Cancel” button.)
Added “Export” button to the top screen. (The output file reflects the values set by pitch and EQ. The range specified in the loop section is output.) (For iPhone SE models, “Export” is also performed from the [FX] button.)
Supports displaying the player on the lock screen.

This app is a music player that can process the following effects in real time.

Time stretch (0.5-2.0 double speed)
Pitch shift (-1 ~ +1 octave)
31 band equalizer
AUv3 (Audio Unit v3) effects

Use cases include:

Karaoke’s training. (Can be changed speed units of 10%, pitch shift in semitones easily)
Can playback at reduced tempo to copy phrase for guitar or bass, the keyboard instrument.
Can playback by changing the pitch to play by changing the key in the band performance (Developer himself has experience).

In addition to loading “music” data included in the standard music app, it also supports the function to import audio files from other apps (“Voice Memos” etc.).

Features include:

Perform time stretch (50 – 200%) / pitch shift (-12 – +12) in real time.
31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k).
Abundance EQ preset.
Supports AUv3 (Audio Unit v3) effects
A-B loop playback.
Center Cancel / Center Emphasis.
Lch, Rch each mute.
Quick fast forward, rewind (specify the number of seconds).
Check and set current position graphically in wave view.
Supports Auto-Lock ON/OFF.
Supports background playback.
Supports export (file writing) function (Each effect (speed/pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.)

For more information on Audio Unit Player, click here:

AU Player

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