BSpeak: An Accessible Voice-based Crowdsourcing Marketplace for Low-Income Blind People
summary
BSpeak builds an Android, voice-first crowdsourcing marketplace that segments audio, sends short utterances to multiple users, and merges spoken transcriptions with multiple string alignment and majority voting. In a two‑week Bangalore deployment 224 blind users complete 16,000+ tasks, earn rupee 7,310 total, and yield combined transcripts at 87% accuracy (Hindi 92%) while costing about one quarter of industry rates; usability tests show much higher completion and lower time than MTurk.
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chapters (5)
- 0:00Start
- 2:42Speech Transcription
- 5:25BSpeak's Design - The Smartphone App
- 11:52Deployment Results
- 16:09Conclusion
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