Audio-SpectraCLI
Visualizing real-time audio input as a spectrum using FFT
Audio-SpectraCLI launched on May 20, 2024 with 3 votes. The site was still online in September 2026, 2 years on.
What it does
It is a tool that provides real-time FFT visualization of audio spectra. It captures audio input from the microphone and displays the corresponding frequency spectrum directly in the terminal window, allowing users to monitor and analyze audio signals.
Does a similar job
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YouTube Musical Spectrum – visualizer for YouTube with musical notes2021 · github.com · ▲72Dear, This is an update from first submission [1]. New features: - add Hz scale - add YT Music support - add microphone recording - add scale (x and y) options to reduce CPU usage [1] https://news.ycombinator.com/item?id=28135562
- IVI've built a spectrogram analyzer web app2023 · webfft.net · ▲244
- SVSound visualisation, better than FFT (iOS)2020 · vsound.app · ▲98
2021-09-07: New version (1.4) now works on M1 macs. Performance improvements released for both iOS and MacOS. Follow the app on Facebook, Twitter! Subscribe to email list to hear about the future developments. See live sound with high-precision details across both, time and frequency domains! iOS (i
A virtual oscilloscope using Web Audio and live microphone input2016 · academo.org · ▲42This online virtual oscilloscope allows you to visualise live sound input and get to grips with how to adjust the display. If you find this useful, our online spectrum analyser may also be of interest to you.
- RRResonate – real-time high temporal resolution spectral analysis2025 · alexandrefrancois.org · ▲76
Last April I shared about my Resonate project here (https://news.ycombinator.com/item?id=43694157) A lot has happened since: the work I presented in much more detail at last June's International Computer Music Conference (ICMC) got best paper award. I also gave a talk at the Audio Developer Conference in Bristol last November, the video is on YouTube). This year's work, which I recently presented at this year's ICMC, starts with known techniques from the phase vocoder literature to build self-tuning filter banks that extract very efficiently the frequency components that are…
Audio Visualizer – High-Resolution Audio Visualization Tool2025 · audiovisualizer.org · ▲6I built a free and open-source, high-resolution, real-time audio visualizer on the web. Try it out here: https://audiovisualizer.org The main feature is a very high resolution frequency domain visualizer. It even works in realtime with the microphone. The application also features a synthesizer that can be played with the keyboard or MIDI files and allows for adjustable harmonics and ADSR envelopes. I used React.JS as the framework, P5.JS for rendering the visualizations, the WebAudio API for audio analysis, Meyda.JS and Essentia.JS for feature extraction, Tone.JS for synthesis,…
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