SynthJacker is an autosampler for iOS. It automatically plays back a MIDI sequence with the notes and velocities you specify, and records the results into an audio file. It then slices the audio into individual sample files, ready to import into an iOS sampler app of your choice.
SynthJacker supports both internal instrument Audio Units (AUv3) and external hardware synths. Additionally, you can export a MIDI file with the desired notes and record a synth playing it back, then bring it to SynthJacker for slicing.
You can save presets of your sampling sessions, including the note range, velocity layers, and note durations. You can also apply post-processing to samples, to trim silence from them or normalize their level.
SynthJacker automatically names the resulting sample files with note and velocity information, so that they can easily be automapped by a sampler app. It also writes an SFZ file with sample information as regions and their root keys and velocity mapping. You will find the results in the iOS Files app, in the SynthJacker folder of your device.
- Fixed a problem with hardware sample rates. Previously SynthJacker would try to set the hardware sample rate to 44.1 kHz. On newer devices the sample rate is fixed at 48 kHz. This could result in samples being out of tune.
- New sample post-processing engine with better visual feedback.
- Added input level meter.
- Note sequence name now follows the selected factory preset on instrument Audio Units.
- Added option to clean up temporary files (in Settings menu).
- Added alert for missing microphone permission, in case it was turned off after it was initially granted.
Ratings and Reviews
Auto-Sample in IOS! Finally!
Solid improvements to make this so useful to feed AudioLayer, NS2 and more. I pick any AU app and have a clone of a preset in minutes in Audiolayer using the Name-Velocity-Note naming scheme (not SFZ).
Up to 5 second samples with 5 Layers are good for me to simulate the Pianos, flutes, strings, etc. I ran 9 Audiolayers using these instruments and could never have run 9 of the original Apps without crashing my DAW.
There’s some cool updates with Noise Floor, Normalize and I expect more to be coming as the developer finds potential users to capture.
I also used my Presonus audio interface to loop back the MIDI and audio and make sample sets of IAA Apps and an external Casio Synth too.
It’s great to do this without needing a Mac or PC. IOS comes into the make your own samples age. Too cool for words and priced to return a lot to the buyer.
Such a Great Tool!
Thank you for this!
NOTE: If you could add .exs, .sf2, and maybe check the compatibility of Synthjacker sample files with other applications that would be awesome.
I get a echo with .sfz files, the played sequence repeats. Also, sustain for drum samples doesn’t always work. Drum samples must be able to sustain and overlap.
Sampling made easy
I used to sample the hard, tedious way until I found out about this. It is perfect for creating your own Obsidian Patches in NanoStudio 2. Extremely useful and easy to use.
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- Conifer Productions Oy
- 20.6 MB
- Requires iOS 11.4 or later.
- Requires iPadOS 11.4 or later.
- iPod touch
- Requires iOS 11.4 or later.
- Age Rating
- © 2019 Conifer Productions Oy
With Family Sharing set up, up to six family members can use this app.