WavePulse: Real-time Content Analytics of Radio Livestreams
Govind Mittal, Sarthak Gupta, Shruti Wagle, Chirag Chopra, Anthony J, DeMattee, Nasir Memon, Mustaque Ahamad, Chinmay Hegde

TL;DR
WavePulse is a real-time framework for recording, transcribing, and analyzing radio livestreams, enabling detailed content analysis for applications like political science research.
Contribution
We introduce WavePulse, a novel system that processes and analyzes radio livestreams in real-time, demonstrated through a large-scale political content analysis.
Findings
Effective monitoring of 396 radio livestreams over three months
Generated diarized transcripts for nearly 500,000 hours of audio
Provided insights into local and national information flow patterns
Abstract
Radio remains a pervasive medium for mass information dissemination, with AM/FM stations reaching more Americans than either smartphone-based social networking or live television. Increasingly, radio broadcasts are also streamed online and accessed over the Internet. We present WavePulse, a framework that records, documents, and analyzes radio content in real-time. While our framework is generally applicable, we showcase the efficacy of WavePulse in a collaborative project with a team of political scientists focusing on the 2024 Presidential Elections. We use WavePulse to monitor livestreams of 396 news radio stations over a period of three months, processing close to 500,000 hours of audio streams. These streams were converted into time-stamped, diarized transcripts and analyzed to track answer key political science questions at both the national and state levels. Our analysis revealed…
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Taxonomy
TopicsRadio, Podcasts, and Digital Media · Public Relations and Crisis Communication · Telecommunications and Broadcasting Technologies
