Show HN: Cynthia – Reliably play MIDI music files – MIT / Portable / Windows

blaizenterprises.com

21 points by blaiz2025 42 minutes ago

Easy to use, portable app to play midi music files on all flavours of Microsoft Windows.

Brief Background - Used midi playback way back in the days of Windows 95 for some fun and entertaining apps, but as Windows progressed, it seemed their midi support (for Win32 anyway) regressed in both startup speed and reliability. Midi playback used to be near instant on Windows 95, but on later versions of Windows this was delayed to about 5-7 seconds. And reliability became somewhat patchy. This made working with midi a real headache.

Cynthia was built to test and enjoy midi music once again. It's taken over a year of solid coding, recoding, testing, re-testing, and a lot more testing, and some hair pulling along the way, but finally Cynthia works pretty solidly on Windows now.

Some of Cynthia's Key Features: * 25 built-in sample midis on a virtual disk - play right out-of-the box * Play Modes: Once, Repeat One, Repeat All, All Once, Random * Play ".mid", ".midi" and ".rmi" midi files in 0 and 1 formats * Realtime track data indicators, channel output volume indicators with peak hold, 128 note usage indicators * Volume Bars to display realtime average volume and bass volume levels * Use an Xbox Controller to control Cynthia's main functions * Large list capacity for handling thousands of midi files * Switch between up to 10 midi playback devices in realtime * Playback through a single midi device, or multiple simultaneous midi devices with lag and channel output support * Custom built midi playback engine for high playback stability * Custom built codebase for low-level work to GUI level * Also runs on Linux/Mac (including apple silicon) via Wine * Smart Source Code - compiles in Borland Delphi 3 and Lazarus 2 * MIT License

YouTube Video of Cynthia playing a midi: https://youtu.be/IDEOQUboTvQ

GitHub Repo: https://github.com/blaiz2023/Cynthia

timcobb 3 minutes ago

~I don't understand the contents of the repo. What are .obj files?~

Oh, nevermind, I found the .pas files ;)

luc_ 4 minutes ago

Finally, don't have to remember the UMRN for Camptown Races anymore.

ale42 16 minutes ago

In the days of Electron bloatware, it's refreshing to see a program that is so light in terms of size. Unfortunately, at least on a 4K screen, the interface is a bit laggy and it uses a lot of CPU.

swatcoder 9 minutes ago

> Borland Delphi 3 and Lazarus 2

Now that's a name I've not heard in a long time.

Fascinating choice!

tosti 26 minutes ago

Calling a program portable by virtue of wine being a thing defies logic. That said, nice work. Midi instrument input is on my wishlist.

  • ale42 18 minutes ago

    Maybe it's "portable" in the sense that it's just an executable to launch, with no installation needed? I don't think they claim it is multi-platform.