Spectroid
Spectroid is an audio spectrum analyzer application for Android. It features a real-time spectrogram, waveform, and octave, semitone & cent indications. It is designed for tuning musical instruments, checking audio system responses, and analyzing room acoustics.
spectrum-analyzer
tuning
acoustics
Spectroid: Audio Spectrum Analyzer App for Android
An Android app for real-time audio analysis, featuring a spectrogram, waveform, and octave, semitone & cent indications for tuning instruments, checking system responses, and analyzing room acoustics.
What is Spectroid?
Spectroid is a real-time audio spectrum analyzer application for Android devices. It features a customizable spectrogram view showing frequency content over time, as well as a waveform view to see the amplitude envelope. Spectroid is useful for:
- Tuning musical instruments - The spectrogram view makes it easy to identify harmonic overtones when tuning stringed instruments.
- Testing audio equipment - Monitor the frequency response of speakers, room acoustics, etc. Adjust equalizers while viewing the spectrogram to see the effects.
- Analyzing noises or interference - Isolate the frequency of unwanted hums, buzzes, hisses etc. Spectroid's high precision down to 1 cent Hz helps pinpoint the source.
Key features include:
- Real-time spectrogram with color gradients
- Waveform, octave, semitone and cent markers
- Frequency range up to 22 KHz
- Decibel scale with RMS and peak hold
- Adjustable window size and color theme
- Supports exporting image snapshots
Spectroid makes spectrum analysis easy and convenient on any Android mobile device with a microphone. Whether for music, acoustics or electronics, Spectroid can help isolate audio frequencies quickly and accurately.
Spectroid Features
Features
- Real-time spectrogram display
- Waveform display
- Octave, semitone and cent display
- Frequency range up to 22kHz
- Record audio and save as WAV file
- Share analysis images
Pricing
- Free
- Open Source
Pros
Free and open source
No ads or in-app purchases
Clean and intuitive interface
Accurate tuning capabilities
Wide frequency range coverage
Useful for musicians, audio engineers and acoustics analysis
Cons
Limited analysis features compared to paid tools
Can be resource intensive on some devices
Lacks advanced audio recording features
No desktop version available
Requires calibration for accurate frequency measurements
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