Introduction
VinylAssistantJDK is a custom-built OpenJDK 26 for Windows x64 that fixes the 16-bit audio limitation (JDK-8294904) and packages the JVM in a clean MSI installer.
– Download: VinylAssistantJDK.msi
– **Official bug report:** https://bugs.openjdk.org/browse/JDK-8294904
The 16-Bit Audio Bug (JDK-8294904)
On Windows, HotSpot’s audio pipeline was capped at 16-bit PCM even when hardware supported 24-bit.
– Impact: degraded audio quality, no high-resolution playback.
– Fix: HotSpot now detects and uses 24-bit samples when supported by the audio device.
Prerequisites
– Windows 10/11 x64
Conclusion
VinylAssistantJDK provides:
– A native 64-bit JVM built with MSVC
– Fix for 24-bit audio on Windows (JDK-8294904)
– A single MSI installer for easy deployment
– .jar files are automatically started using the newly installed JDK
– JDK must be installed in C:\Program Files\VinylAssistantJDK folder so please don’t change the default installer value!
– Remove existing Java installation prior to install this one, it is better to keep only one JVM installed at a time.
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