# Sound Signal Generator

> Signal generator creates Sine, Triangle, Sawtooth and Square audio frequencies.

Canonical page: [https://chrome-stats.com/d/android\_design.signal\_generator](https://chrome-stats.com/d/android_design.signal_generator)

## Overview

- **ID:** `android_design.signal_generator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** android-design.nl
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 83,332
- **Rating:** 4.30 / 5 (691 ratings)
- **Version:** 2.030
- **Last updated:** 2025-08-24
- **First published:** 2013-04-16
- **Publisher country:** NL
- **Size:** 6.37 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=android_design.signal_generator)
- **Website:** [http://www.android-design.nl](http://www.android-design.nl/)
- **Privacy policy:** [http://www.android-design.nl/joomla/index.php/privacy-policy-signal-generator](http://www.android-design.nl/joomla/index.php/privacy-policy-signal-generator)

## Description

The Sound Signal Generator Chrome extension allows users to create versatile audio signals including sine, triangle, sawtooth, and square waveforms across a frequency range from 0.1Hz to 20kHz. It supports generating up to three simultaneous signals, enabling complex audio experiments or sound testing.

Users can conveniently save and load sound signals, enhancing their workflow and allowing for repeated use of custom configurations. This extension is ideal for audio engineers, musicians, educators, and hobbyists seeking a reliable and easy-to-use tool for frequency signal generation within their browser.

## Rankings

- #239,520 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `android_design.signal_generator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

### Pros

- User-friendly interface
- Ability to save settings
- Customizable signal properties
- No permissions requested
- Useful for various applications (e.g., teaching, tinnitus relief)

### Cons

- Crashes occasionally
- Background operation issues (stopping after a few minutes)
- Sound output problems on some devices
- Confusing controls (e.g., OFF to turn ON)
- Lack of help files or instructions

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Source: [Chrome-Stats](https://chrome-stats.com/d/android_design.signal_generator)