About Sample Audio Files

Download forest-ambience clips in WAV, MP3, Opus, FLAC, AAC, WebM. Part of the DevTools Surf developer suite. Browse more tools in the Audio collection.

Use Cases

• Testing audio format support in a web media player
• Providing sample files for audio processing pipeline development
• Comparing codec quality and file sizes for streaming optimization
• Using reference audio for automated testing of transcription services

Tips

• Download clips in multiple formats to test your audio pipeline
• Use the WAV files for lossless quality testing scenarios
• Try different formats to compare file sizes and quality

Fun Facts

• The WAV format was introduced by Microsoft and IBM in 1991 as part of the Resource Interchange File Format (RIFF) specification.
• MP3 was developed by the Fraunhofer Institute in Germany and standardized as ISO/IEC 11172-3 in 1993, revolutionizing digital music distribution.
• The Opus codec, standardized in RFC 6716 (2012), is considered the best general-purpose audio codec, outperforming MP3 and AAC at all bitrates.

FAQ

What kind of samples are these?

Short forest-ambience clips — birds, wind, water. Royalty-free under a permissive license for testing audio pipelines.

Which formats?

Every common one: WAV, MP3, Opus, FLAC, AAC, WebM. Same clip in different formats for testing codec-specific code paths.

How long are they?

About 10–30 seconds each. Long enough to test streaming behavior, short enough for quick download.

Can I use them in production?

Yes — the samples are under CC0 (public domain). Attribution is appreciated but not required.