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https://github.com/mtytel/helm
Helm - a free polyphonic synth with lots of modulation
https://github.com/mtytel/helm
Last synced: about 1 month ago
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Helm - a free polyphonic synth with lots of modulation
- Host: GitHub
- URL: https://github.com/mtytel/helm
- Owner: mtytel
- License: gpl-3.0
- Created: 2015-01-08T07:27:12.000Z (over 9 years ago)
- Default Branch: master
- Last Pushed: 2022-09-24T04:23:20.000Z (over 1 year ago)
- Last Synced: 2024-02-06T06:03:56.498Z (4 months ago)
- Language: C++
- Homepage: http://tytel.org/helm
- Size: 39 MB
- Stars: 2,308
- Watchers: 95
- Forks: 208
- Open Issues: 129
-
Metadata Files:
- Readme: README.md
- Changelog: changelog
- License: COPYING
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README
## Helm
Helm is a free, cross-platform, polyphonic synthesizer that runs on GNU/Linux, Mac, and Windows as a standalone program and as a LV2/VST/AU/AAX plugin. Release is in beta so there are outstanding bugs. Please send any bugs found to [email protected]
### Installing:
Go to [tytel.org/helm](http://tytel.org/helm) for builds.
### Building:
If you want to build AAX plugins You'll need its SDK located in ~/srcs
For AU on the Mac you'll want to put the CoreAudio SDK in /Applications/Xcode.app/Contents/Developer/Extras/CoreAudio
Nothing extra is needed for building VST/LV2 plugins
#### Linux
To build and install the standalone, lv2 and vst plugin:
```bash
make
sudo make install
```
Other make commands:
```bash
# Build just the Linux standalone executable:
make standalone
# Build just the Linux LV2 plugin:
make lv2
# Build just the Linux VST plugin
make vst
# Install just the Linux standalone executable:
sudo make install_standalone
# Install just the Linux LV2 plugin:
sudo make install_lv2
# Install just the Linux VST plugin
sudo make install_vst
```
The standalone executable is built to standalone/builds/linux/build and installed to /usr/bin
The LV2 plugin is built to builds/linux/LV2 and installed to /usr/lib/lv2
The VST plugin is built to builds/linux/VST and installed to /usr/lib/lxvst
#### OSX
Open /standalone/builds/osx/Helm.xcodeproj for standalone version
Open /builds/osx/Helm.xcodeproj for plugin versions
#### Windows
Open /standalone/builds/vs15/Helm.sln for standalone version
Open /builds/vs15/Helm.sln for plugin versions
### Features:
- 32 voice polyphony
- Interactive visual interface
- Powerful modulation system with live visual feedback
- Dual oscillators with cross modulation and up to 15 unison oscillators each
- Sub oscillator with shuffle waveshaping
- Oscillator feedback and saturation for waveshaping
- 12 different waveforms
- Blending between 12 or 24dB low/band/high pass filter
- Low/Band/High Shelf filters
- 2 monophonic and 1 polyphonic LFO
- Step sequencer
- Lots of modulation sources including polyphonic aftertouch
- Simple arpeggiator
- Effects: Formant filter, stutter, delay, distortion, reverb
