Vivox Unreal SDK 5.26.0.unr.0

Version 5.26.0.unr.0 introduces comprehensive audio processing improvements with enhanced noise suppression, expanded platform support for audio processing features, and significant performance optimizations.

This release focuses on improving voice quality while optimizing resource usage across all supported platforms.

For further technical details on all the changes included in this release, refer to the CHANGELOG.md file within the SDK.

Updated license and third-party notices

Fixed a crash with iOS Shipping Builds in Unreal 5.3+ caused when disconnecting from a channel.

• iOS

Fixed a crash caused by the LoginSession object being deleted while HandleEvent is running.

Vivox log levels were off-by-one. There may be more Vivox log statements now if VivoxConfig.SetLogLevel was used for your application.

Noise suppression now applied to capture audio by default

Extended Acoustic Echo Cancellation (AEC) and Automatic Gain Control (AGC) support to Nintendo Switch™, PlayStation®, Xbox, visionOS, and UWP

New AEC implementation prevents microphone dropouts in the presence of echo on mobile platforms

AGC enabled by default with improved microphone capture loudness

Optimized voice codec for reduced packet loss and jitter

Existing AEC/AGC platforms:

11 MB reduction in memory usage during active sessions

Improved CPU efficiency in Release configuration

New AEC/AGC platforms:

44% increase in audio thread CPU usage

6 MB additional memory usage during sessions

Memory allocator improvements reducing heap memory requests

Android: Added 16KB page size support for native libraries

• Android

Android: Proguard rules now included in AAR libraries

• Android

iOS: Removed support for ARMV7 architecture

• iOS

iOS: Removed bitcode

• iOS

iOS: Updated default voice processing behavior to improve audio quality by only using the VoiceProcessingIO unit when speakerphone is active, leveraging newer echo cancellation algorithms for other audio configurations.

• iOS

Android/iOS: Improved platform AEC control independent of DVPS

• Android
• iOS

Consider adjusting application volume presets due to new AGC behavior

Xbox: Voice chat may be interrupted when disconnecting and reconnecting controllers or audio devices. These issues were not observed on the Xbox Series X|S.