4D PIANO HANGOUT
Gateway to a low-latency 3-way call

Select a theme:

Tropical Sunny Day
Cloudy Sky
Snowy Mountain
Concert Hall I
Earth
Mars
Concert Hall II
Metropolitan at Sunset

Copyright © 2021 Dr. Lucas Wong

Showing menu

Quit session

Boomwhacker colors are off

Local piano is audible

Microphone is off

Webcam is off

Search repertoire

Record local piano

Piano Delay: 0 ms

Autopilot Pedal: 50%

Playback Volume: 50%

Transposition: 0


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Welcome to 4D PIANO HANGOUT!

Elements such as the webcam video clip, speedometer, and notestaff prompt are movable. You can re-position each of these by dragging it along.

To render a custom .xml, .musicxml, .json, MIDI (.mid), or .pdf file, drag-and-drop from your computer folder into the app.





Your piece is ready! Trigger each beat by tapping the screen, spacebar (or numbers 1 to 9 for loudness refinement), wireless presenter, page turn pedal, or MIDI left pedal.

Tap the speedometer itself to manually enter your tempo, or the Skip icon (if available) to jump to a different place.





You can click and drag the bottom scroll bar to skip to any part of the piece.

Once you reach an optimal tempo, tap the Autopilot icon or hold the spacebar down temporarily for autopilot to take over.





The file has just been downloaded to your device!

Listen back to this file at any time by doing a drag-and-drop back into the app.

To increase flexibility of playback (transposition, fermata, speed change, etc.), download the 4D Piano Pocket Player on the App Store.





Your playing is now being recorded. Tap the Record icon again to save or discard.





Join someone's or a duet's session by entering their Session ID after tapping the Join session icon. Note: Webcam must be detected before you are allow to join.

Tap the Record icon to start recording your local 4D Piano's activity.





Tap the Stop icon to stop the playback.

Tap the Record icon to re-record it into a new .json file.

To increase flexibility of playback (transposition, fermata, speed change, etc.), download the 4D Piano Pocket Player on the App Store.





You are connected in a three-way call! The videoclips are movable.

Listeners can adjust the Piano Delay slider to correct the alignment between the two sources - audio and piano - at their discretion.

Tap the Quit session icon to end this connection.





A second person has connected with both of you successfully. The videoclips are movable.

Listeners can adjust the Piano Delay slider to correct the alignment between the two sources - audio and piano - at their discretion.





Your are connected in a two-way call. The videoclips are movable.

Make it three-way by asking a second person to join you with the new Session ID ending with letter a.

Listeners can adjust the Piano Delay slider to correct the alignment between the two sources - audio and piano - at their discretion.





The music should be now playing.

Pause the music by triggering each beat again or tapping the speedometer or Skip icon (if available).



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