# bismark bs-spectrum

> Real-time FFT spectrum analyzer with peak detection and waveform comparison.

Canonical page: [https://chrome-stats.com/d/jp.bismark.bsspectrum](https://chrome-stats.com/d/jp.bismark.bsspectrum)

## Overview

- **ID:** `jp.bismark.bsspectrum`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** bismark LLC
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 402
- **Version:** 3.0.2
- **Last updated:** 2026-03-22
- **First published:** 2012-09-25
- **Publisher country:** JP
- **Size:** 18 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.bismark.bsspectrum)
- **Website:** [http://www.facebook.com/bismark.jp](http://www.facebook.com/bismark.jp)
- **Privacy policy:** [https://www.bismark.jp/privacy](https://www.bismark.jp/privacy)

## Description

bismark bs-spectrum is a lightweight and accurate real-time audio spectrum analyzer app using FFT (Fast Fourier Transform). It captures sound through your Android device’s built-in microphone and visualizes the frequency spectrum in a clear and responsive graph.<br><br>Key Features:<br>• Real-time FFT analysis of audio input<br>• Peak frequency and amplitude detection<br>• Snapshot function for waveform comparison<br>• Customizable display options<br><br>Display Modes:<br>• Graph Scale: Linear / Logarithmic<br>• FFT Window: Rectangle, Hamming, Hanning, Blackman<br>• Decay Time: From 250 ms to 4 seconds<br>• Amplitude Offset control<br><br>This app is ideal for:<br>• Audio engineers<br>• Musicians and producers<br>• Sound designers<br>• Educational purposes in acoustics or signal processing<br><br>Clean, accurate, and responsive — bismark bs-spectrum offers a professional-grade analysis tool in your pocket.<br><br>Note: Performance may vary depending on the hardware and OS version of your device.

## Rankings

- #1,449,598 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.RECORD_AUDIO`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `jp.bismark.bsspectrum.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.bismark.bsspectrum)