sadrec 0.0.1

Simple Soundcard Recorder

Soundcard ADC Recoder (SADRec)

The SADRec is a lightweight Python app for viewing and recording any signals connected to your soundcard microphone input. It is based on the following Python Packages:

• PyAudio (https://people.csail.mit.edu/hubert/pyaudio/)
• PyQt6 (https://pypi.org/project/PyQt6/)
• PyQtGraph (https://www.pyqtgraph.org/)
• Numpy
• SciPy

Installation

If you are using Anaconda, it is recommended to first create a new environment.

conda create --name sadrec

Then install all packages:

pip install numpy scipy pyaudio PyQt6 pyqtgraph

Finally, copy this repository to your hard drive. Navigate to the directory using your favorite terminal and run:

python sadrec.py

Features

• Live View - Audio Monitor
• Store recording in a wav file
• Low and High Pass Filter
• Navigate the Viewer with shortcuts
• Simple Sine Wave Stimulator (via Speaker)
• Open and view wav files (e.g. your recordings)

Navigation

There are several handy keyboard shortcuts for navigation:

Press "M" to mute and unmute audio monitor
Press "R" to start and stop recording Press "B" to reset the view Press "C" to center the view (y-axis) Press "T" and "Shift+T" to zoom the x-axis Press "X" and "Shift+X" to zoom the y-axis Press "Left" and "Right" to move along the x-axis Press "Up" and "Down" to move along the y-axis

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Nils Brehm - 2024