Exploring the Potential of the Web Speech API in Karaoke
summary
Built a browser karaoke prototype that uses Web Speech API speech recognition plus the HTMLMediaElement timing to match live transcripts to lyric time ranges. Implementation uses vanilla JavaScript and CSS over HTTPS, no libraries, and requires vendor server processing (Chrome/Safari) so it is not offline and Firefox lacks support. Demo correctly matches simple nursery-rhyme lines but recognition auto-stops, mis-segments sung words, and proves reliable only for short voice notes, not robust singing or rap.
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chapters (8)
- 0:00Introduction
- 3:13Web Speech API overview
- 6:07Karaoke demo
- 11:38Building the demo
- 15:17Verdict on API
- 17:27Web Speech API future
- 18:33Why useless projects
- 20:45Closing thoughts
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