# Week 02

- [Lecture slides](https://docs.google.com/presentation/d/1EYie_PIW9TJKafSg7WWKshVLusAqECIzsErBoFLmuJw/edit#slide=id.p)
- [Recording on YouTube (in Russian)](https://youtu.be/MutrDmebhas)

### Practice & homework

- **Seminar:** [notebook](./seminar.ipynb)

### Additional Materials

Recording in English for the lecture materials can be found [here](https://youtu.be/YuImUy6vPFs) (Remark: for the MelSpectrogram explanation, it is better to look at the current DLA slides instead).

More in the presentations, also check the legacy refs:

- [Waveform for dummies](https://pudding.cool/2018/02/waveforms/)
- [DFT and FFT](http://www.robots.ox.ac.uk/~sjrob/Teaching/SP/l7.pdf)
- [Visualization of Nyquist-Shannon theorem](http://195.134.76.37/applets/AppletNyquist/Appl_Nyquist2.html)
- [In details about MelScale and MFCC](http://practicalcryptography.com/miscellaneous/machine-learning/guide-mel-frequency-cepstral-coefficients-mfccs/)
- [Fourier Transfor for dummies (YouTube)](https://www.youtube.com/watch?v=spUNpyF58BY&t=1s&ab_channel=3Blue1Brown)
