The mobile application is not yet developed however, the web browsers can be used on mobile devices to play around with this experiment.Quick and dirty tool to convert 4-part MIDI arrangments to Blob Opera format JSON. “Blob Opera experiment uses the latest web audio technology and may not perform optimally on older devices”. The experiment can be checked out using the following URL: Blob opera also has a recording feature to rehear the song created by the user. There is also a slide button with a Christmas tree symbol on the right bottom corner of the screen to enable the festive mode. While creating a song you can mute any particular blob according to your wish to have a variation in your song. The blobs respond and harmonize to real-time inputs.The above functions can be mixed to obtain a varying audio response.Dragging the blobs right and left changes the vowels’ sound, the extreme right side represents character ‘o’ and the extreme left represents character ‘a’.Dragging the blobs down decreases the pitch.Dragging the blobs up increases the pitch.The actual voices of the singers are not heard as the machine learning model was made to learn in a way so that it creates a general interactive experience of opera singing artificially. Christian Joel, Tenor, bass Frederick Tong, mezzo‑soprano Joanna Gamble, and soprano Olivia Doutney recorded 16 hours of singing”, which was used as the training dataset for the model. The harmonization is achieved using a “machine learning model trained on the voices of four opera singers for creating an engaging experiment for everyone, regardless of musical skills. The most significant feature is the coordination of the blob voices when they sing together. Four multicolored blobs with different voice features can be controlled and manipulated by the user to create a full-fledged opera-based festive song. In collaboration with Google Arts and Culture, artist David Li has created this interactive machine learning experiment.
No more listening to monotonous opera songs when you can create one for yourself using Google’s Blob Opera.
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