Audio Watermarking

Overview

This page covers audio-specific details of the DeepMark watermarking API: supported audio formats, watermark length, and an audio comparison player.

For general API usage (authentication, submitting jobs, downloading results), see the API Key Guide.

Audio Comparison

The following player demonstrates the difference between an original audio file and its watermarked version. Select a track using the headphone button and use the playhead to scrub through the audio.

Audio Format Support

Supported Formats

1. WAV (PCM)
2. MP3
3. FLAC
4. AAC
5. OGG (Vorbis/Opus)

Watermark Length

The audio watermark payload supports up to 32 bits (minimum 8 bits). If the provided watermark is shorter than the maximum, it is automatically tiled (repeated) to fill the full capacity. Detection recovers the full payload and folds it back to the original length via majority voting, which improves detection reliability.