
Bringing Voice Activity Detection to Animal Communication Research

Voice Activity Segments
VoCallBase is a web-based platform designed to streamline research on animal communication. By standardizing data organization with a focus on Voice Activity (VA) Detection, VoCallBase empowers scientists to unlock new insights into the evolution of communication systems, signal structures, and social behaviors across thousands of species.
Explore our key features

Powerful Annotation Tools
Annotate voice activity and analyze vocalizations with CallMark, an intuitive annotation interface for labelling of species and individuals. Features include multi-channel analysis and customizable spectrograms (e.g., Constant-Q, Log-Mel) and a human-in-the-loop pipeline for performing automated vocal detection using WhisperSeg.
Comprehensive Vocalization Repository
Access a curated database spanning over 10,000 species, enriched with metadata on species, individual identity, and behavioral contexts.


Standardized Data Schema
Uniform structure for organizing vocal datasets, fostering cross-species comparisons and enabling rigorous scientific analyses.
Seamless Research Integration
With robust API endpoints, VoCallBase integrates with existing tools and workflows.
