In In Ex parte Sadberry, 864 S.W.2d 541, 543 (Tex. Crim. App. 1993), the Court addressed the issue of whether the failure of a defendant to sign a written jury waiver violated a defendant's constitutional right to a jury trial. The Court explained: This case does not involve a question of constitutional dimension; it involves an irregularity in the proceedings in the trial court. Neither the federal nor the state constitution require that a trial by jury be waived in writing. Rather, the legislature has chosen to observe careful regulation of that constitutional right by specifying how that right may be waived. Id. at 543.