The French term Notes inégales refers especially to French baroque notes written evenly but played as if divided into pairs of long and short notes, an early form of the 'swung' notes in twentieth century jazz.
A selection of articles about notes inégales
Ensemble. One hell of a concert - Hot - An Infernal Cabaret, the latest collaborative project by Peter Wiegold's 'notes inégales' and performance poet Murray Lachlan. Malcolm Miller was there