Minimal blowing pressure allowing periodic oscillations in a model of bass brass instruments Rémi Mattéoli, Joël Gilbert, Christophe Vergez, Jean-Pierre Dalmont, Sylvain Maugeais, Soizic Terrien and Frédéric Ablitzer Acta Acust., 5 (2021) 57 Published online: 22 December 2021 DOI: 10.1051/aacus/2021049