A piston-pin bearing for an internal combustion engine wherein a cylindrical piston pin is mounted. The heat and pressure roller applies heat and pressure to the green sheet to bring the green sheet into intimate contact with the plasma display panel substrate and to remove residual solvent from the green sheet. Subsequent to receiving and validating the communication request, the communication system may switch to a more efficient\u2014but higher power\u2014communication circuit. The vocal tract characteristics, represented by a line spectral frequency vector, the excitation characteristics, represented by a linear predictive coding residual, the duration, and the amplitude of the speech frame are transformed in the same weighted-average framework.