added README.md for speech emotion recognizer

Author: x4nth055

Diff for: machine-learning/speech-emotion-recognition/README.md

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+# [How to Make a Speech Emotion Recognizer Using Python And Scikit-learn](https://www.thepythoncode.com/article/building-a-speech-emotion-recognizer-using-sklearn)
+To run this, you need to:
+- `pip3 install -r requirements.txt`
+
+It is already trained, you can use `test.py` to test your voice.
+
+You can:
+- Tweak the model parameters ( or the whole model ) in `ser.py`.
+- Add more data to `data` folder in condition that the audio samples are converted to 16000Hz sample rate and mono channel, `convert_wavs.py` does that.
+- Editing the emotions specified in `utils.py` in `AVAILABLE_EMOTIONS` constant.
+
+When you modified anything, you can run `ser.py` to retrain the model.
+
+If you want to only use this efficiently, definitely check [Emotion Recognition using Speech](https://github.com/x4nth055/emotion-recognition-using-speech) repository which ease this process a lot.

Diff for: machine-learning/speech-emotion-recognition/convert_wavs.py

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-
-
 """
 A utility script used for converting audio samples to be 
 suitable for feature extraction