Hydrogen is an advanced drum machine with a main goal to bring professional yet simple and intuitive pattern-based drum programming.

Hydrogen Features:<

General
● Very user-friendly, modular, fast and intuitive graphical interface based on QT 4.
● Sample-based stereo audio engine, with import of sound samples in .wav, .au and .aiff formats.
● Support of samples in compressed FLAC files.

Sequencer and mixer
● Pattern-based sequencer, with an unlimited number of patterns and the ability to chain patterns into a song.
● Up to 192 ticks per pattern with individual level per event and variable pattern length.
● Unlimited instrument tracks with volume, mute, solo, pan capabilities.
● Multi-layer support for instruments (up to 16 samples for each instrument).
● Sample Editor, with basic cut and loop functions. (NEW)
● Time-stretch and pitch functions via rubberband cli. Requires the rubberband-cli package. (NEW)
● Playlists with scripting function. (NEW)
● Advanced tab-tempo. (NEW)
● Director Window with a visual metronome and song position tags. (NEW)
● Timeline with variable tempo. (NEW)
● Single and stacked pattern mode. (NEW)
● Export/Import single patterns into song projects. (NEW)
● MIDI learning via Shift+MouseClick on many GUI controllers combined with a MIDI settings editor. (NEW)
● Ability to import/export song files.
● Unique human velocity, human time, pitch, and swing functions.
● Multiple patterns playing at once.

Other
● JACK, ALSA, PortAudio and OSS audio drivers.
● ALSA MIDI and PortMidi input with assignable midi-in channel (1..16, ALL).
● Import/export of drumkits.
● Export song to wav, aiff, flac or ogg file.
● Export song to MIDI file.