
Shepard tone (pitch up)
Shepard Tone (Pitch Up) is a small client-side sound mod. When the same sounds play repeatedly in a short time, their pitch rises step by step, making repeated actions feel more lively.
Screenshots


About this Mod
What is Shepard tone?
A Shepard tone is a auditory illusion that creates the feeling of a sound continually ascending or descending in pitch, while in reality, its actual frequency is looped and never rises above a certain limit (This exact trick was used for the endless stairs in Super Mario 64)
Why did you used pitch up and not shepard tone?
This trick can only be pulled off with fixed wave timings, which is why it cannot be done in a live game but I tried to replicate the effect anyway just by pitching up individual sounds
Demostration:
A similar mod already exists for The Binding of Isaac, which is where I got the idea from. All credit for the original concept goes to IsaacGuru
discord - https://discord.gg/DvWt9HAg8e
Available Versions
How to Install Shepard tone (pitch up) on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Shepard tone (pitch up)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.1
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Shepard tone (pitch up) server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Shepard tone (pitch up) compatible with fabric and neoforge?
Shepard tone (pitch up) officially supports fabric, neoforge for Minecraft 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Shepard tone (pitch up) – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Shepard tone (pitch up) consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Shepard tone (pitch up) with just one click on your server.