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SPECIFICTION
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Amplitude Audio SDK

amplitudeaudiosdk.com

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Spec score 8.4 #6 of 24 in Game Audio Middleware

What it is

Amplitude Audio SDK is a cross-platform audio engine for games, supporting audio for 2D, 3D, and VR/AR environments. It runs on Android, iOS, Linux, macOS, and Windows; Windows, Linux, and macOS are listed as runtime platforms. Project assets are defined in JSON and compiled into binary sound banks for runtime loading. Audio options include stereo panning, binaural rendering with user HRTF assets, and Ambisonic rendering. Developers can configure processing per runtime platform, including filters, room effects, and spatialization, and extend the pipeline with plugins. A MiniAudio-based default driver and MP3 and WAV decoding are included. Official integrations are listed for O3DE, ezEngine, Godot 4+, and Flax Engine. The SDK is free and open source under Apache-2.0, but it is in beta without an official release; nightly builds are for development, not production. Amplitude Studio is in early access with complimentary access during that phase; its planned free version has non-commercial and feature limits.

Spec sheet

Purpose
Amplitude is a cross-platform audio engine designed for games and supports audio for 2D, 3D, and VR/AR environments.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Platforms
The SDK lists Android, iOS, Linux, OS X, and Windows as supported platforms.Read 2 Oct 2026 · github.com
Integrations
Official integrations are available for O3DE, ezEngine, Godot 4+, and Flax Engine.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Support
The documentation directs users with installation issues to Discord and recommends Discord community support or GitHub issues for troubleshooting.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Audio processing
Users can customize the processing pipeline, including filters, room effects, and spatialization, and configure it per runtime platform.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Availability
The SDK documentation says the software is in beta with no official release yet; nightly builds are for development and are not recommended for production.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Data-driven authoring
JSON files define project assets, which Amplitude compiles into binary files for sound banks and runtime loading.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Default audio support
The SDK provides a MiniAudio-based default driver and decodes MP3 and WAV samples by default.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Extensibility
Plugins can add custom codecs, filters, resampling algorithms, drivers, fading algorithms, and pipeline nodes.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Free Studio limits
The planned free Studio version is limited to non-commercial users under the stated revenue threshold and excludes the pipeline editor, Playground, and release tool.Read 2 Oct 2026 · studio.amplitudeaudiosdk.com
Security and compliance
The opened maker pages identify the SDK as open source under Apache-2.0 and do not state a security certification or compliance standard.Read 2 Oct 2026 · amplitudeaudiosdk.com
Spatial audio
The engine supports stereo panning and binaural rendering with user HRTF assets, as well as Ambisonic rendering.Read 2 Oct 2026 · docs.amplitudeaudiosdk.com
Studio features
Amplitude Studio provides asset browsing and editing, visual editors for pipeline graphs and curves, and a workflow to validate, save, compile, and release projects.Read 2 Oct 2026 · studio.amplitudeaudiosdk.com
Studio status
Amplitude Studio is described as being in its Early Access Program, with complimentary access during that phase.Read 2 Oct 2026 · studio.amplitudeaudiosdk.com

Plans and prices

Amplitude Audio SDK Free Free and open source · Apache-2.0 license Read 2 Oct 2026 · amplitudeaudiosdk.com
Amplitude Studio Free Free Non-commercial use · Teams and individuals with less than $100k revenue in the last 12 months · No pipeline editor, Playground, or release tool Read 2 Oct 2026 · studio.amplitudeaudiosdk.com
Amplitude Studio Paid Priced on request Subscription · Individual, Indies, and Studio options · Commercial use · All features · Perpetual licenses available · Lifetime access to updates Read 2 Oct 2026 · studio.amplitudeaudiosdk.com

Every Amplitude Audio SDK plan and price →

Strong points and limits

Strong points

  • Free and open source under Apache-2.0
  • Supports 2D, 3D, and VR/AR audio
  • Includes binaural and Ambisonic rendering
  • Official integrations for O3DE, ezEngine, Godot 4+, and Flax Engine

Limits

  • SDK is in beta with no official release
  • Nightly builds are not recommended for production
  • Free Studio version excludes pipeline editor, Playground, and release tool

Who it suits

Amplitude Audio SDK suits game developers looking for configurable audio processing and spatial audio across listed platforms. Its beta status makes the nightly builds unsuitable for production use.

Verdict

Amplitude Audio SDK offers extensible audio processing and multiple spatial audio options for game projects. Its beta status and development-only nightly builds are important constraints for production planning.

Where Specifiction places it

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