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About this paper
Michael Chinen, Felicia S. C. Lim, Jan Skoglund, Nikita Gureev, Feargus O'Gorman, Andrew Hines
ViSQOL v3 is an open-source, C++ re-implementation of the objective speech and audio quality metric, improved for production readiness through real-world feedback from Google's product teams. It demonstrates enhanced accuracy for low-bitrate audio and silent segments, and is now a primary quality metric in Google Hangouts Meet.
Key insights
- Real-world product feedback is instrumental in identifying and addressing practical limitations of research-grade tools, enabling their transformation into robust, production-ready solutions.
- Careful algorithmic refinements, such as fine-grained time alignment and silence thresholds, significantly enhance an objective metric's accuracy and robustness across diverse and challenging audio conditions.
- Open-sourcing and re-implementing research software in widely used languages like C++, coupled with strong software engineering practices, greatly lowers adoption barriers and fosters wider community use and contribution.
Summary by alphaXiv.
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