An audio coding device that optimizes quantization parameters for fast convergence of iterations. The selenium compounds are medium linear chain dialkyl diselenides and precursors such as alkyl selenols. In response to connecting a capture device including the captured information to another device, the captured information is downloaded to the other device, a text portion is formed corresponding to the captured information, and at least a portion of the captured information and text portion is stored. Players acquire cards by answering questions correctly.