Update README.md

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Author: GuitarsAI

README.md

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-# AudioCodingTutorials
-Audio Coding Notebooks and Tutorials
+# Audio Coding
+<p align="center">
+    <img src="./images/ac_header.png">
+</p>
+
+#### Prof. Dr. -Ing. Gerald Schuller <br> Jupyter Notebooks and Videos: Renato Profeta
+[Applied Media Systems Group](https://www.tu-ilmenau.de/en/applied-media-systems-group/) <br>
+[Technische Universität Ilmenau](https://www.tu-ilmenau.de/)
+
+# Content
+- 01 Basics of Multirate Signal Processing:<br> [![NBViewer](https://badgen.net/badge/Launch/on%20NBViewer/blue?icon=terminal)](https://nbviewer.jupyter.org/github/GuitarsAI/AudioCodingTutorials/blob/master/AC_01_Basics_Multirate.ipynb)[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/GuitarsAI/AudioCodingTutorials/master?filepath=AC_01_Basics_Multirate.ipynb)[![Google Colab](https://badgen.net/badge/Launch/on%20Google%20Colab/black?icon=terminal)](https://colab.research.google.com/github/GuitarsAI/AudioCodingTutorials/blob/master/AC_01_Basics_Multirate.ipynb)[![Youtube](https://badgen.net/badge/Launch/on%20YouTube/red?icon=terminal)](https://youtu.be/Tp96ICZ_pMg)
+
+  - Sampling
+    - Sampling a Discrete Time Signal
+    - Downsampling
+    - Upsampling
+    - Real-Time Python Example: Sampling
+  - Effects in the z-Domain
+  - Modulation
+    - Real-Time Python Example: Modulating a Speech Signal
+  - Mid-rise and Mid-tread quantization
+    - Real-Time Python Example: Quantization
+
+ # YouTube Playlist
+ [![Youtube](https://badgen.net/badge/Launch/on%20YouTube/red?icon=terminal)](https://www.youtube.com/playlist?list=PL6QnpHKwdPYjRWkWLswWmxFrDmj6leRwh)
+ 
+
+# Requirements
+Please check the following files at the 'binder' folder:
+  - environment.yml
+  - postBuild
+  
+ # Note
+ Examples requiring a microphone will not work on remote environments such as Binder and Google Colab.