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

• 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 file.

Sequencer and mixer

• Pattern-based sequencer, with unlimited number of patterns and 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. Require the rubberband-cli package. (NEW)

• Play-lists with scripting function. (NEW)

• Advanced tab-tempo. (NEW)

• Director Window with a visual metronome and song position tags. (NEW)

• Time-line 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-cotrollers 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.