Musical Charts: Using OSS to Make Data Visualizations Accessible to Visually Impaired Users

on YouTube ↗21m

" summary

An open source JavaScript library called Chart2Music converts chart data into interactive sonification with four or five lines of code, syncing with existing charting libraries and preserving user audio preferences in localStorage. Design includes blind users and delivers point‑by‑point precision plus high‑level trends, supports bar, line, candlestick and many other plot types, and is easy to generate at scale — note a practical limit: screen readers can choke on datasets above ~10,000 cells. Users report it works and is useful for both accessibility and trading workflows.

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" chapters (4)

1. 0:00Start
2. 1:14What was the price last week?
3. 9:30Developer experience
4. 11:11Responses from the community

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