Friture
Friture is an open-source audio analysis tool for Linux. It allows real-time analysis of audio input and can be used to visualize different aspects of sound like spectrum, spectrogram, rolling 2D spectrogram and more.
spectrum
spectrogram
visualization
linux
Friture: Open-Source Audio Analysis Tools
Real-time audio analysis for Linux, visualizing sound spectrum, spectrograms, and more
What is Friture?
Friture is an open-source application for real-time audio analysis on Linux. It provides a wide range of visualization tools to give detailed insights into audio input from a microphone or sound device.
Some of the key features of Friture include:
- Real-time fast Fourier transform (FFT) spectrum analyzer
- Spectrogram with logarithmic frequency scale
- Rolling 2D spectrogram to visualize how frequencies change over time
- Octave analysis to inspect frequency content in different octave bands
- Scope, histogram and correlation meters
Friture is written in Python and uses PyQt and NumPy libraries. It works on any Linux distribution and supports ALSA or JACK audio backends. The visualizations provide a detailed overview of the amplitude, frequencies and spectral content of audio. This makes Friture useful for tasks like tuning musical instruments, analyzing room acoustics, testing audio equipment and more.
As an open-source tool, Friture is completely free to download and use. It provides powerful audio analysis capabilities without the need for expensive specialized hardware or software.
Friture Features
Features
- Real-time FFT display
- Spectrogram display
- Rolling 2D spectrogram display
- Octave analysis
- Scope display
Pricing
- Open Source
Pros
Open source
User-friendly GUI
Supports many audio input and output options
Wide range of analysis tools
Cons
Limited to Linux platform
Less advanced than commercial alternatives
Can be resource intensive for older hardware
Official Links
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