---
title: "NDI Signal Generator — App Overview"
url: https://marlvel.ai/intel-report/photo-video/ndi-signal-generator
category: Photo & Video
developer: Mark Gilbert
platforms: ios, android
rating: 3.9 (64 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a specialized, free diagnostic tool designed to validate NDI network performance and signal integrity on macOS.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Photo & Video |
| Rating | 3.9 ★ (64) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 7.20 |
| Latest Version (Android) | 16.2 |
| Developer | Mark Gilbert |

<!-- SECTION: Summary -->
## What is NDI Signal Generator?

NDI Signal Generator is a macOS utility that functions as a Network Device Interface pattern generator for testing NDI workflows. It provides standard test patterns, animated signals, and audio testing tools, all delivered via the NDI IP Video Protocol with Bonjour discovery support.

<!-- SECTION: Key Features -->
## Key Features

- **Pattern Generation**: Delivers standard test patterns like Color Bars and Ramps at 1920x1080 resolution with on-the-fly scaling options.
- **Animation and Custom Assets**: Includes a countdown clock, animated test patterns, and support for custom PNG files with alpha channel transparency.
- **Performance Benchmarking**: Features a frame rate indicator and a benchmark mode to verify CPU performance for full frame rate NDI delivery.
- **Audio Testing**: Provides white noise and 1KHz tone generation for verifying audio signal paths.

<!-- SECTION: Target Audience -->
## Who is it for?

Video engineers and broadcast technicians requiring a reliable source for testing NDI network infrastructure.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/ndi-signal-generator/id1080186452?mt=12&uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.maxitime22.createmusic.signalgenerator&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/photo-video/ndi-signal-generator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/photo-video/ndi-signal-generator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*