case 0x78: // �I�[���E�T�E���h�E�I�t
case 0x79: // ���Z�b�g�I�[���R���g���[���[
case 0x7b: // �I�[���E�m�[�g�E�I�t MA-5
case 0x7e: // ���m�E���[�h�E�I��
case 0x7f: // �|���E���[�h�E�I�� (MA-3 �̂�)
smafMessage = new MidiConvertibleMessage(duration, control, channel, value);
break;
default:
smafMessage = new UndefinedMessage(duration);
Debug.println("undefined control: " + StringUtil.toHex2(control) + ", " + StringUtil.toHex2(value));
break;