Table 1: Summary of the tensors used, their dimensions, and function, in the various shift-invariant factorisation models included in this paper. Tensors that occur in multiple models are not repeated.

SNTF Signal spectrograms
Approximation of
Instrument gains
Translation tensor (freq.)
Instrument basis functions
Note activations
Translation tensor (time)

SSNTF Harmonic dictionary
Harmonic weights

SF-SSNTF Formant filters

SF-SSNTF + N Noise instrument gains
Noise basis functions
Noise activations
Noise translation tensor