For a current project, I’ve written an audio module that can simply test frequency responses. The video doesn’t use an original speaker setup, but you can immediately recognize its functionality. This way, frequency spectra can be generated and measured, enabling detection in many aspects.
For developers and test engineers:
- Testing speaker frequency response: Check and analyze speaker frequency response using various waveforms.
- Testing amplifier frequency response: Testing and optimizing amplifier frequency response by generating signals at various frequencies.
- Sine wave endurance test: By continuously generating a sine signal, you can check the system’s reliability and stability.
- Set frequencies to maximum using sine wave and distortion: Setting and optimizing system performance limits by precisely adjusting frequencies and distortions.
- Harmonic analysis with square wave: Analysis of harmonics and distortions in an audio signal by generating square wave signals
For end users:
- Pink noise for microphone tests, speaker tests Testing the performance and accuracy of microphones and speakers using pink noise
- Measuring room sound coverage: Measuring and optimizing room acoustics for the best possible sound quality
- Measuring reflections / reverberation: Analyze and reduce reverberation and reflections in a room by sending specific signals and measuring the reflections.
- Finding resonances of enclosures and rooms: Identifying and resolving resonances and unwanted vibrations in enclosures and rooms through test signal generation.

