Music Antiquing

Google Colab: https://colab.research.google.com/github/cwru-commlab/music-antiquing/blob/main/src/Music%20Antiquing.ipynb

📡 Assignment requirements

• Open the Jupyter notebook.
• Upload a .wav file of your choice.
• Run the sample code for your .wav file.
• Listen to the recordings. Repeat this process for AM and FM broadcast bands by changing the values for F1 and F2.
• Change the code below to filter the .WAV file to a gramophone frequency range. (Also, you'll want to change the code that generates the filename to read "gramophone" instead of "telephone."
• Download and save a local copy of your gramophone recording. You'll need it for the next exercise.
• Upload your "gramophone" recording here: https://docs.google.com/forms/d/1ICqKKwbJoknCo_0zhtQuk7iVmR31PHFxYuB6FlPYazU/edit
• Optional: Save a local copy of the Jupyter notebook itself. (In Binder or Google Colab, your changes and created files will not be saved.)
• Under "File" hit "Save and Export Notebook As" and save your file as a PDF.
• Print the PDF and staple it to HW1.
• On the printed copy, highlight the changes you made to the code.
• Annotate the plots. How did the signal change? Does the bandwidth matter? If the signal is going to be bandlimited, do you prefer extending the bass or the treble? Why?

Information Table

Parameter
DOI	n/a
Concept	FFT, sound processing, filtering, Jupyter notebook introduction
Lesson Categories	problem set, software
Prerequisite Modules	N/A
Cost	$0
Bill of Materials	N/A
License Required	N/A
Relevant ABET Milestones
Relevant FCC Exam Modules/Questions

Description

Over the course of the semester, we'll use Python to add effects to a sound clip to make it sound like it's playing on a gramophone. Here's where the goalposts are: https://youtu.be/QbsXLDNPvNc?t=28

Authorship

Term	Authorship
Conceptualization	Kristina Collins , David Kazdan
Methodology	Kristina Collins
Software	Kristina Collins
Validation	N/A
Formal analysis	N/A
Investigation	N/A
Resources	N/A
Data Curation	N/A
Writing - Original Draft	Kristina Collins
Writing - Review & Editing	N/A
Visualization	N/A
Supervision	N/A
Project administration	N/A
Funding acquisition	N/A

Funding

This work is supported by the CWRU Dept. of Electrical Engineering and the Case Amateur Radio Club W8EDU.

Implementation Record

• Case Western Reserve University, EECS 351: Engineering Communications. Spring 2018. Prof. David Kazdan.
• Case Western Reserve University, ECSE 351: Engineering Communications. Spring 2025. Prof. David Kazdan. Enrollment 31.