xtc/docs/CREATIVE_WORKFLOWS.md

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Creative workflow additions (Phases 90–99)

These features prioritize fast musical experiments and retain the existing control-thread preparation and project undo model. They introduce no dependency or project-format change. Each phase is qualified separately in ROADMAP.md.

Selected track inserts

Track → Show selected track inserts (Ctrl+5) opens the sequencer or active mixer selection directly. Bus inserts are unsupported; no selection leaves the workspace unchanged. View → Track inserts still opens the rack independently. Ctrl+4 remains the piano-roll command, resolving the earlier shortcut collision.

Duplicate an effect

Select a slot, then Rack actions → Duplicate effect. The copy appears directly after it, retaining controls, automation, wet amount and bypass. It is an independent instance with fresh processing history. Eight-slot capacity and plugin preparation errors preserve the old chain; Undo removes the copy.

Copy a chain between tracks

Rack actions → Copy chain stores an independent metadata snapshot. Select another track and use Paste chain (replace) to replace its complete chain, including output gain. Copying neither loads modules nor changes undo history; pasting prepares the candidate and is undoable. The clipboard is internal to this session and clears on successful New/Open. Preparation errors keep both the destination and clipboard intact.

Compare effect configurations

Rack actions → Compare captures or recalls A and B. Each slot is bound to the track where it was captured; Recall is available only on that track. Capturing copies metadata without affecting undo or loading modules. Recall prepares a fresh chain and is undoable; histories and opaque plugin states are excluded. The two comparison slots clear on successful New/Open. Comparisons stop transport when recalled, following the existing safe insert-edit workflow.

Creative starting points

Add effect → Templates (replace) offers Slapback (80 ms delay), Dub Echo (375 ms feedback delay into a short reverb), and Ambient Space (long reverb into 500 ms delay). They replace the current chain in one undoable edit and require no external plugins. All controls remain editable. Times are milliseconds; feedback and wet levels are deliberate starting points, without automatic loudness matching or a claim that the presets suit every source.

Bulk rack actions

Enable all effects, Bypass all effects, and Clear chain each prepare one undoable edit. Enabling all intentionally enables every slot, including previously bypassed effects; Undo restores the previous mixed bypass state. Clear removes slots while preserving chain output gain. No plugin resources are released in the audio callback. Empty racks return a no-result error.

Meter while editing effects

The insert workspace shows the selected track's stereo sample peaks after its fader and before its bus, including the effects' output. Green bars release at 20 dB/s. A sticky red CLIP appears at unity or above; click the display to clear it. Stopped, offline or missing-track readings show the -90 dBFS floor. Changing tracks clears the indicator. These are sample peaks, not true-peak or loudness measurements. The display shares the mixer's existing backend snapshot read.

Tap tempo

Tap the transport Tap button at a quarter-note pulse. The estimator averages the last four valid intervals and accepts 20–300 BPM. The first tap primes it; a pause longer than three seconds restarts it. Too-fast or backward timestamps are ignored. Each accepted tempo is an undoable edit and stops playback before preparation; tapping is unavailable while recording. New/Open resets tap history. The estimator uses monotonic control-thread time, with no audio-callback clock access or allocation. Tap timing is not a beat detector or MIDI clock sync.