A JavaScript audio library that defaults to Web Audio API and falls back to HTML5 Audio for reliable cross-platform sound.
howler.js is a JavaScript audio library that provides a unified API for playing and manipulating sound on the web. It solves the problem of inconsistent audio support across browsers by defaulting to the Web Audio API and falling back to HTML5 Audio, ensuring reliable playback everywhere. It handles complex audio needs like sprites, spatial sound, and group control with a simple interface.
Web developers and game creators who need reliable, cross-browser audio playback without dealing with low-level API differences or browser quirks.
Developers choose howler.js because it offers a single, consistent API for all audio tasks, abstracts away platform-specific issues, and includes advanced features like sound sprites and 3D audio—all in a lightweight, dependency-free package.
Javascript audio library for the modern web.
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Automatically uses Web Audio API when available and falls back to HTML5 Audio, handling environment-specific bugs and ensuring consistent playback across all major browsers, including IE9+ and mobile Safari.
Core bundle is only 7kb gzipped with no dependencies, and optional plugins like spatial audio allow for extended functionality without adding unnecessary bloat, as highlighted in the features.
Provides fine-grained control over playback with methods for volume, rate, seek, fading, looping, and supports sound sprites for efficient loading and management of multiple sounds.
Includes a plugin for 3D spatial sound and stereo panning, enabling immersive audio experiences in games and interactive apps, as detailed in the spatial audio section.
Audio on mobile browsers is locked until user interaction, requiring workarounds like auto-unlock and event handling, which can complicate implementation and lead to inconsistent behavior.
Abstracts away the Web Audio API, so developers needing direct access to audio nodes for custom effects or advanced processing may find it restrictive compared to libraries like Tone.js.
While comprehensive, the documentation is dense with numerous events and methods, making it challenging for beginners to quickly find solutions without deep diving into specifics.