base on Visualize pitch for a video # Pitch Visualizer 这是一个小小的Python脚本，可以把一段纯人声音频进行音高的可视化，然后和音频的原视频进行合并， 最终生成一段带有动态音高标注的视频。 ## 开始之前 ### FFmpeg 你需要[ffmpeg](https://ffmpeg.org/)。请确保在命令行输入`ffmpeg`可以正常调用ffmpeg， 或者你知道明确的ffmpeg的位置。 ### Python requirements 建议大家在[虚拟环境](https://docs.python.org/zh-cn/3/library/venv.html)中工作 ``` python -m venv venv source venv/bin/activate ``` 最简单的方式： ``` pip install -r requirements.txt ``` ### 人声分离 这个脚本并不能帮你做人声分离，你需要用其他的软件或者库来完成这件事。 * [Ultimate Vocal Remover](https://ultimatevocalremover.com/) 是目前我用过效果最好的软件，免费 * [spleeter](https://github.com/deezer/spleeter) 是一个开源的人声分离库 ## 使用 你需要准备两个文件 * 原始视频文件（.mp4） * 从原始视频中分离的干声文件（.mp3） 为了画出准确的对比音高，你需要知道这首歌曲的调性（C或者F#之类）。在这个软件中，我们没有特意区别小调， 调性只是为了标注音阶。如果歌曲是小调，请使用其音阶对应的大调的调性。比如A小调对应的是C。 ``` python gen_pitch.py --audio <voice.mp3> -t <tone> <video.mp3> -o <output.mp4> # 举个例子 python gen_pitch.py --audio wjk_raw.mp3 -t E wjk.mp4 -o wjk_with_pitch.mp4 ``` 其中`-o`可以省略，默认是在输入视频的文件夹下建立另一个视频。 ### 其他的选项 * `--ffmpeg` 可以指定你想用的ffmpeg，在你PATH中不存在ffmpeg的时候需要使用 * `--pitch_width` 设置音高图的宽度，默认是原始视频的一半 * `--pitch_position` 设置音高图的位置，默认是`top_right` * `--min_pitch` 设置识别的最低的音，默认是`D2` * `--max_pitch` 设置识别的最高的音，默认是`G5` 如果你对歌曲的音域比较了解，通过设置`--min_pitch`和`--max_pitch`可以有效增加音高识别的准确率， 同时还可以加快渲染速度。 ## LICENSE Copyright 2023 Tian Gao. Distrubuted under the terms of the [Apache 2.0 license](https://github.com/gaogaotiantian/pitch-visualizer/blob/master/LICENSE) ", Assign "at most 3 tags" to the expected json: {"id":"5714","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"