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The understanding of the relationship between excitation parametersandoscillation regimes is a classical topic concerning bowed stringinstruments.The paper aims to study the case of reed woodwinds and attemptsto findconsequences on the ease of playing.In the minimum model of clarinet-likeinstruments, three parameters areconsidered: i) the mouth pressure, ii) thereed opening at rest, iii) thelength of the resonator \ assumed to becylindrical. Recently asupplementary parameter was added: the loss parameter ofthe resonator(using the \textquotedblleft Raman model\textquotedblright, thatconsidersresonator losses to be independent of frequency). This allowedexplainingthe extinction of sound when the mouth pressure becomes very large.Thepresent paper presents an extension of the paper by Dalmont et al(JASA,2005), searching for a diagram of oscillation regimes with respect tothereed opening and the loss parameter. An alternative method is used,whichallows easier generalization and simplifies the calculation. The emphasisis done on the emergencebifurcation: for very strong losses, it can be inverse,similarly to theextinction one for weak losses. The main part of thecalculations areanalytical, giving clear dependence of the parameters. Anattempt to deducemusical consequences for the player is given.

An Analytical Prediction of the Bifurcation Scheme of a Clarinet-Like Instrument: Effects of Resonator Losses