27 · Reference

Keyboard shortcuts

Global / Arrangement

SpacePlay / stop
*Toggle recording
Ctrl+SSave
Ctrl+PCommand palette
Ctrl+RWAV export
Ctrl+Shift+RFLAC export
Ctrl+ZUndo
Ctrl+Shift+ZRedo
Ctrl+C/VCopy/paste clip
Ctrl+BSplit at playhead
Ctrl+DDuplicate track/clip
Ctrl+1/2/3Workspace 1/2/3
F8Show/hide Browser
F9Arrangement/Mixer toggle
F11Full screen

Piano Roll / Tools

E/W/P/B/C/MSelect/Range/Draw/Erase/Split/Mute
Ctrl+ASelect all notes
Ctrl+D/C/VDuplicate/copy/paste notes
↑/↓Transpose ±1 semitone
Ctrl+↑/↓Transpose ±1 octave
Alt+Q/R/S/UQuantize/Randomize/Strum/Chop
DeleteDelete selected item
A W S E D F…Computer keyboard MIDI notes
Z/XKeyboard MIDI octave −/+
1…9MIDI velocity

Shortcuts depend on keyboard focus and the active workspace. Physical key positions may differ with the selected keyboard layout.

28 · Troubleshooting

Quick diagnostic matrix

SymptomCheckAction
No soundAudio device, master route, mute/solo, fader, clipSelect the correct output; verify the master route and hardware meter.
Empty recordingInput channel, arm, monitoring, preampMatch the track input; confirm signal on the interface meter.
Crackle/dropoutBuffer, CPU, sample rate, heavy plug-insRaise the buffer; reduce oversampling; freeze or render tracks.
MIDI is silentInstrument, MIDI target, channel, active trackLoad an instrument; select/arm the track; verify the MIDI input.
Plug-in missingVST3 folder, 64-bit build, scan logAdd the folder; rescan; isolate incompatible plug-ins.
Project media missingMoved file, changed drive, online-only fileRelink the media folder or restore it from the project archive.
Export differsOffline behavior, range, inserts, normalizationCompare realtime playback; verify settings and plug-in modes.
AI job failsModel, manifest, disk, provider, quota, credentialRefresh model state; test a short input; inspect the provider log.
Activation failsKey, network, system clock, three-device limitVerify the key and firewall; contact official support privately.

Minimal test project

New project44.1 kHz / 512
One WAVNo plug-ins
PlaybackMaster route
Export24-bit WAV

If the issue disappears in the minimal project, focus on plug-ins, routing, or project data. If it remains, focus on the device, driver, or installation layer. Include exact reproduction steps, edition/version, Windows version, interface, sample rate, buffer, and relevant plug-in version in a support report.

29 · Support

Support, bug reports, and security disclosure

Bug report

  1. Retest with the latest build from your Gumroad library and in a new project.
  2. Separate expected behavior from observed behavior.
  3. Provide short, numbered reproduction steps.
  4. Include HyperION edition/version, Windows version, audio interface, sample rate, buffer size, and plug-in version.
  5. Attach only redacted logs and screenshots.

GitHub Bug Report Form

Security vulnerability

Do not disclose a suspected vulnerability in a public issue. Privately report the affected edition/version, impact, reproduction steps or minimal proof of concept, and redacted logs through the official Gumroad profile.

Official HyperION Gumroad profile

The publisher aims to acknowledge receipt, assess the issue, and coordinate remediation for reproducible reports within a reasonable period.

Never publish

License keys or purchase receipts

API keys, credentials, or tokens

Unlicensed copyrighted audio/projects

Personal data or private file paths

Use Gumroad privately for purchase, billing, and download-access questions. Use GitHub for reproducible software bugs only.

30 · Glossary

Core terms

ASIOLow-latency professional Windows audio driver standard.
BufferAudio processing block size; smaller values reduce latency but raise CPU risk.
ClipAn audio, MIDI, or pattern item on the timeline.
dBFSDigital level relative to full scale; 0 dBFS is the ceiling.
HeadroomLevel margin between the current signal and clipping.
InsertAn effect placed in series in the signal path.
LatencyDelay through input, processing, and output.
LUFSA measurement of perceived loudness.
MIDINote, velocity, and controller data; not audio.
PatternA reusable sequence of rhythmic or musical events.
QuantizeMoves events toward a selected timing grid.
RoutingThe path from input through channels/buses to output.
Sample rateSamples per second, such as 44.1 or 48 kHz.
StemA grouped or separated audio file such as vocals, drums, or bass.
True peakEstimated peak after reconstruction or codec conversion.
VST3A third-party instrument/effect plug-in format.

“AI” in this manual

Local or remote model services that analyze, separate, extract pitch/MIDI, or generate material. Results are probabilistic and require human review for accuracy, originality, and legal suitability.