Show HN: YouTube Guitar Tab Parser

Show HN: YouTube 吉他谱解析器

HN Points: 86 / 56 comments | Author: neogenix | HN Discussion: item?id=48898154 | Source: github.com

Original Article

CLI that turns a YouTube guitar-lesson video into a PDF of the guitar tab.

CLI工具，可将YouTube吉他教学视频转换为吉他谱的PDF文件。

It downloads the video, samples frames, uses Claude vision to locate the tab region, crops every frame to that region, de-duplicates the crops by the bar number printed on each line of the score, and stitches the distinct tab lines vertically into a PDF. It works out of the box with no configuration — the PDF is written to out/.pdf , with the video title as a heading on the first page and in the document metadata.

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