Vous avez cherché: restrained (Anglais - Catalan)

dad was stoked but suitably restrained.
el pare estava exultant però es va contenir.

perhaps it is the rumor as an alternative voice, the "tabataba" - this muffled, continuous, multifaceted sound, ever-changing from restrained to deafening and from victimized to heroic - that is more important.
potser, és que la veu alternativa del rumor, aquest “tabataba”, aquest soroll sord, permanent, variat i variable, de vegades discret, de vegades estrident, victimista, heroic, és important.