SeeScore » Developers

Introducing SeeScore MusicXML SDK

SeeScore is built around a cross-platform MusicXML rendering engine – SeeScoreLib, which is available for use under licence. The API is rich, providing functions to control the score display – scaling, parts, transposition, colouring, and also information about the score – detailed graphical information, and score play information. It’s easy to get started on your logic, and let SeeScore do the tricky score rendering!

Graphics

Information about the graphical positioning of elements is available so your app can respond intelligently to taps or mouse clicks on the score. Also most elements can be individually coloured under control of your app.

Audio

The API provides midi-compatible information for playing the score, with note pitches and timings in milliseconds. Bars (measures) are ordered correctly accounting for repeated sections and DC, DS and Fine instructions. Timings account for sound tempo and metronome instructions embedded in the score and also the API allows for user adjustment of the tempo. All the difficult work is done with tempo changes and repeats, and you just get a stream of midi note values and times in milliseconds.

Optical Music Recognition

ReadScoreLib is a lightning fast, highly accurate, cross-platform Optical Music Recognition Library with a simple API, which generates Midi and MusicXML from an image of a score. The MusicXML is compatible with SeeScore, and it is available under licence to developers. Licensing details are here. You can evaluate the performance by downloading the PlayScore 2 app for iOS and Android.

SeeScoreLib Features

Display of any valid MusicXML file with scaleable display
Individual part selection
Transpose, or change clef
A built-in synthesizer which plays all or individual parts with sampled instruments and selectable tempo. You can use your own sampled sounds, or we can supply samples of various instruments (iOS and OS X only)
Access to the graphical musical information in the score
Full play data using iterators giving access to ordered bars and notes with midi pitch, start & duration in milliseconds, accounting for tempo, time sigs etc, and bars correctly ordered accounting for repeats, DC,DS,Fine. This can be used for driving a cursor, supplying data to a synth or for recognising played notes.
Write a standard MIDI file from the play data for playing in a MIDI player.
Dynamic note colouring under program control
Play looping between any bars
Support for synchronisation of playdata to media using a beat timings file, allowing synchronised cursor and auto-scroll following a recorded performance.
Coming soon! MusicXML editing including insertion and deletion of many notations and directions, accidentals, and slur adjustment with multi-level undo and redo (iOS only at first). This allows the user to annotate with bowings, fingerings etc.
Currently there are versions of the SDK for iOS, OS X, Android and Windows.

Sample code provided

Load and display a MusicXML score in a scrollable view.
Select parts to display
Play, autoscroll and drive a cursor, either bar-by-bar or note-by-note.
A synthesizer with high quality piano samples is provided (iOS and OS X only).
A metronome (iOS and OS X only).
Support to generate a MIDI file from the score, to play using the platform Media Player on Android and Windows
Display a count-in.
Vary tempo under user control
Transpose
Respond to taps on musical elements in the score.
Colour individual notes
Find enclosing rectangles for score elements
Create event handlers to respond to bar change, beat, note start and end, and end of piece
Show or hide bar numbers or part names
Define start and end bars for play loop with attractive, reusable UI
All UI is free open source to use or modify as you like.