mr spectra
FFT Audio Spectrum Analyzer with Weighting Filters. Enjoy as a Music Mood Light.
msraha.in · in.msraha.mrspectra
UpdatedNov 12, 2025
PublishedDec 15, 2022
Packagein.msraha.mrspectra
MD568140cb90006e67d36cd6346204d5b14
SHA1 (signer)DA:F4:FF:84:E8:40:AD:98:A5:67:E6:AA:C7:80:EE:8D:A4:8C:26:2F
Signed byCN=Mita Raha, L=Kolkata, C=IN
Malware scanTRUSTED
Websitehttps://msraha.in
Contact[email protected]
Privacy policyView
What's new
Android version 35 update.
Description
mr spectra is an fft based audio spectrum analyzer with strobe lights and built-in weighting filters (A-weighting for human hearing, C-weighting for machine sounds and Z-weighting with no filter).
Enjoy mr spectra with your music as a musical mood light.
Quick tips:
* Show or hide the dB and Max dB values.
* Go to settings and add the Strobe Lights, or a decibel, wave, or spectrogram scope.
Display Settings:
* Select color schemes.
* Solid bars or line graphs.
Scope Settings:
* Strobe Lights.
* Decibel Scope.
* Sound Wave Scope.
* Spectrogram.
Strobe Lights Settings:
* 3 lights (Bass, Mid, Treble) or 4 lights (Bass, Mid, Treble, High Treble).
* Full screen mode.
Decibel Settings:
* Use A-Weighting, C-Weighting or Z-Weighting filters (dBA, dBC, dBZ).
* Show decibel and Max dB values.
* Set zero dB level.
FFT Options:
* Use Hann or rectangular windowing.
Technical Details:
* Input source: device mic.
* Sound captured: 16-bit PCM mono.
* Sampling rate: 44.1 kHz.
* Audio amplitude range: 1 to 32767.
* FFT latency: 23 milli seceonds.
* Decibel calculations: based on rms amplitude, relative to a base level of 1 rms. The base level can be adjusted by user to calibrate dB levels.
Enjoy mr spectra with your music as a musical mood light.
Quick tips:
* Show or hide the dB and Max dB values.
* Go to settings and add the Strobe Lights, or a decibel, wave, or spectrogram scope.
Display Settings:
* Select color schemes.
* Solid bars or line graphs.
Scope Settings:
* Strobe Lights.
* Decibel Scope.
* Sound Wave Scope.
* Spectrogram.
Strobe Lights Settings:
* 3 lights (Bass, Mid, Treble) or 4 lights (Bass, Mid, Treble, High Treble).
* Full screen mode.
Decibel Settings:
* Use A-Weighting, C-Weighting or Z-Weighting filters (dBA, dBC, dBZ).
* Show decibel and Max dB values.
* Set zero dB level.
FFT Options:
* Use Hann or rectangular windowing.
Technical Details:
* Input source: device mic.
* Sound captured: 16-bit PCM mono.
* Sampling rate: 44.1 kHz.
* Audio amplitude range: 1 to 32767.
* FFT latency: 23 milli seceonds.
* Decibel calculations: based on rms amplitude, relative to a base level of 1 rms. The base level can be adjusted by user to calibrate dB levels.
Required features
- Faketouch android.hardware.faketouch
- Microphone android.hardware.microphone
- Screen Portrait android.hardware.screen.portrait
Permissions (7)
mr spectra requests the following Android permissions:
- Access Network State android.permission.ACCESS_NETWORK_STATE
- Foreground Service android.permission.FOREGROUND_SERVICE
- Foreground Service Media Projection android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION
- Internet android.permission.INTERNET
- Post Notifications android.permission.POST_NOTIFICATIONS
- Record Audio android.permission.RECORD_AUDIO
- In Msraha Mrspectra Dynamic Receiver Not Exported Permission in.msraha.mrspectra.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
