MVT 模式 Model：负责业务对象与数据库的对象(ORM) Template：负责如何把页面展示给用户 View：负责业务逻辑，并在适当的时候调用 Model 和 Template CLI Tips# create Django projects django-admin startproject $project_name # run server python manage.py ru

sox# 查看音频信息 soxi test.wav sox test.wav -n stat # 切割音频 sox in.wav out.wav trim 0 10 # 改变音量 sox -v 0.5 input.wav output.wav # 音频放大0.5倍 # 以 sox foo.wav -n stat -v 命令返回的数字作为放大倍数，将最大化 foo.wav 的音量而不至于出现削波

Predictive coding is one of the oldest techniques in signal processing for data compression One of the most common strategies for unsupervised learning has been to predict future, missing or contextua

浏览器 渲染引擎: JS 引擎: NodeJSVUE

ark ark,t scpark is an archive format to save any Kaldi objects. ark can be flushed to and from unix pipe. cat test.ark | copy-feats ark:- ark,t:- | less # Show the contents in the ark - indicates st

Unknown character-based speech recognition : what’s character-based? Some TipsWe explore unsupervised pre-training for speech recognition by learning representations of raw audio. wav2vec is trained

Supervised LearningGiven: a dataset $\mathcal{D} = {(x, y)}_i^N$ a loss function $\mathcal{l}$ Goal: $$min_{\theta}\mathbb{E}_{(x, y)}$$ Works well when labeled data is abundant Learn useful repre

VC systerm

Makefilemakefile 的好处Makefile 带来的好处就是——“自动化编译”，一旦写好，只需要一个make 命令，整个工程完全自动编译，极大的提高了软件开发的效率。make 是一个命令工具，是一个解释 Makefile 中指令的命令工具。 Makefile 关系到了整个工程的编译规则。一个工程中的源文件不计其数，并且按类型、功能、模块分别放在若干个目录中，makefile 定义了一系

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