# Midiflow Limiter (Audiobus) — Velocity curve and filter > MIDI velocity filter and remapper for Audiobus 3. (iPhone/iPad app by Johannes Doerr.) - Source: https://appshunter.io/ios/app/midiflow-limiter-audiobus/id1107244412 (this page in markdown: same URL + `.md`) - Developer: [Johannes Doerr](https://appshunter.io/developer/622204117) - Category: Music, Entertainment - Price: $1.99 - Rating: 4.50/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 10.2 · 5 MB - Languages: American English - Released: 2017-04-03 - Data updated: 2026-08-18 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/midiflow-limiter-audiobus/id1107244412/reviews.md ## What is Midiflow Limiter (Audiobus)? This MIDI effect app for Audiobus 3 is a filter and remapper for note velocities. Filter out notes that are too loud or too quiet, or remap them to different values. Use multiple instances to create velocity layers, which trigger different sounds based on the notes' velocity. + Specify a velocity range to filter out notes + Use a curve to remap velocities + Remap to a fixed velocity + Use multiple instances of this effect in Audiobus NOTE: This app requires Audiobus 3. Insert it into one or more MIDI effect ports to affect the data going through the respective pipelines. FILTER NOTES BY VELOCITY The range selector at the top allows you to specify the velocity of notes that can pass. All notes with velocities outside of that range will be filtered out. You can see in real-time what note velocities are coming in, so adjusting the range according to notes you play on a keyboard or generate with a sequencer is very easy. CREATE VELOCITY LAYERS Midiflow Limiter can be added multiple times to an Audiobus configuration. If you are using an external keyboard, you can build velocity layers. Just create two routes in Audiobus with the keyboard as a source and two synths as destinations. Then add Midiflow Limiter as an effect in both routes. You can then apply different velocity ranges for both synths, and only notes with a matching velocity will trigger their sounds. REMAP NOTE VELOCITIES WITH A CURVE The velocities of notes that have not been filtered out in the previous step can be remapped with a so-called velocity curve. The horizontal axis represents all possible values for incoming velocities. The curve determines the remapping function used to modify the velocities. Use the four handles to adjust the curve. Velocity remapping has various applications. You can make a piano sound a lot "stronger" with a curve like above, as louder notes are triggered "earlier" in terms of force applied to the keys. A curve with the bow to the other side makes it "softer". Other curves can increase or reduce the range of velocities. REMAP NOTE VELOCITIES TO A FIXED VALUE If you want to get rid of the velocity information in the notes, you can remap them to one fixed value. This corresponds to a curve that looks like a horizontal line. ## Key features - Filter notes by velocity range - Remap velocities with a curve - Remap to a fixed velocity - Create velocity layers - Use multiple instances in Audiobus 3 ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/midiflow-limiter-audiobus/id1107244412/reviews.md ### 1/5 — Bad *2018-06-16* Developer has capitulated to the scourge of the GDPR. Sad. ## Frequently asked questions about Midiflow Limiter (Audiobus) ### What is Midiflow Limiter used for? Midiflow Limiter is a MIDI effect app for Audiobus 3 that filters and remaps note velocities. It allows you to control which notes pass through and how their velocity values are adjusted, enabling advanced sound shaping and layering. ### Does Midiflow Limiter require Audiobus 3? Yes, Midiflow Limiter requires Audiobus 3 to function. It is designed to be inserted into MIDI effect ports within Audiobus 3 to process MIDI data. ### How can Midiflow Limiter create velocity layers? You can create velocity layers by using multiple instances of Midiflow Limiter in your Audiobus configuration. By applying different velocity ranges to separate routes, you can trigger different sounds based on the velocity of incoming notes. ### Can Midiflow Limiter remap velocities to a specific value? Yes, Midiflow Limiter allows you to remap note velocities to a fixed value. This is achieved by setting a curve that results in a horizontal line, effectively removing the original velocity information. ### What is the price of Midiflow Limiter? Midiflow Limiter is a paid app priced at $1.99. This is a one-time purchase and does not involve any subscriptions or in-app purchases. ### What devices is Midiflow Limiter compatible with? Midiflow Limiter is compatible with iPhone, iPad, and iPod touch devices. It is designed for iOS and requires a device that supports Audiobus 3. ### How often is Midiflow Limiter updated? The latest version of Midiflow Limiter is 1.0.6, which was last updated on May 7, 2024. This indicates a relatively active development cycle for the app. ### Does Midiflow Limiter have ads? No, Midiflow Limiter does not contain advertisements. As a paid application, it provides an ad-free experience for users. ## Version history (last 5 releases) ### 1.0.6 — 2024-05-07 Compatibility improvements for recent iOS versions ### 1.0.5 — 2020-12-01 Update for iOS 14 ### 1.0.4 — 2019-11-28 Update for iOS 13 ### 1.0.3 — 2018-06-15 Update for GDPR ### 1.0.2 — 2017-09-14 + Fixes for iOS 11 ## Apps similar to Midiflow Limiter (Audiobus) | App | Rating | Price | Category | | --- | --- | --- | --- | | [The Radio Station](https://appshunter.io/ios/app/the-radio-station/id1491357480) | 5.0 (7) | Free | Music | | [MasterQ](https://appshunter.io/ios/app/masterq/id1485124580) | 5.0 (4) | Free | Music | | [Setlist Carrot - Setlist.fm](https://appshunter.io/ios/app/setlist-carrot-setlistfm/id1481784500) | 3.9 (15) | Free | Music | | [WEBR - The Breeze](https://appshunter.io/ios/app/webr-the-breeze/id1494166960) | 4.9 (79) | Free | Music | | [无损音乐播放器](https://appshunter.io/ios/app/id1483316840) | 3.0 (2) | $12.99 | Music | | [PEDRO APP](https://appshunter.io/ios/app/pedro-app/id1492774580) | — | Free | Music | ## More apps by Johannes Doerr - [iMIDIPatchbay](https://appshunter.io/ios/app/imidipatchbay/id622204114) - [Midiflow](https://appshunter.io/ios/app/midiflow/id879915554) - [English is Easy – Learn vocabulary with pictures and sound](https://appshunter.io/ios/app/english-is-easy-learn-vocabulary-with-pictures-and-sound/id1056841728) - [Midiflow Keyboard (Audiobus)](https://appshunter.io/ios/app/midiflow-keyboard-audiobus/id1092870508) - [Midiflow Splitter (Audiobus)](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188) All apps by Johannes Doerr: https://appshunter.io/developer/622204117 ## Related topics [limiter](https://appshunter.io/ios/topics/limiter) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*