dear all : I have a usb pc camera module (usb 1.1),bind microphone Now I need to develop a USB Audio device using it. And the device should be able to be used by Windows Sound Recorder or NetMeeting as a system sound device. Audio data use control transfers. How could I implement my project (port class or stream class)? Thank you for yor precious adivce. ---------------------------------------------------------------------- �ʱj��ުѥ��������q SERVICE & QUALITY TECHNOLOGY CO.,LTD. �x�_���h�L�ϩӼw���|�q150������ 6F, No.150, Sec.4, Chengde Rd. Shrlin Chiu, Taipei, Taiwan, R.O.C. ���Ŭ�o�u�{�v Advanced R&D Engineer �B���� Rex Liu TEL: 886-2-6611-1177 EXT: 743 FAX: 886-2-6610-6777 email: rex@xxxxxxxxx http://www.sq.com.tw/