人耳聽旋律，縱然不能分辨音高時值，卻知音符總有個先來後到。傳說莫札特絕對音感之好，即使是初聞的曲調，也能立刻譜出！！為求一次得到『兩個領域』── 時間、頻率 ── 的好處，於是人們設想了

短時距傅立葉變換

短時距傅立葉變換是傅立葉變換的一種變形，為時頻分析中其中一個重要的工具。

─── 《W!o+ 的《小伶鼬工坊演義》︰神經網絡【FFT】六》

 

也許近日太常與派生‧傑克為伍，忽爾想起久知大名之

LibROSA

LibROSA is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.

For a quick introduction to using librosa, please refer to the Tutorial. For a more advanced introduction which describes the package design principles, please refer to the librosa paper at SciPy 2015.

 

或可用來『聽調辨曲』乎？

 

 

 

 

於是立馬造表操課︰

librosa

A python package for music and audio analysis.

Documentation

See http://librosa.github.io/librosa/ for a complete reference manual and introductory tutorials.

Demonstration notebooks

What does librosa do? Here are some quick demonstrations:

• Introduction notebook: a brief introduction to some commonly used features.
• Decomposition and IPython integration: an intermediate demonstration, illustrating how to process and play back sound

Installation

The latest stable release is available on PyPI, and you can install it by saying

pip install librosa

 

結果

sudo pip install librosa

竟以失敗告終！

因此在搗咕成功之後，故而特寫這個安裝記也！！？？