Patent ID: 8116449
Filing Date: 2012-02-14
Classification: H04M

Abstract:
1. A digital logger system adapted for receiving and recording audio telecommunication signals, the digital logger system comprising: a multichannel interface circuit for concurrently and continuously receiving digital audio telecommunication signals for at least two telephone calls from a digital hybrid telephone line, and for transmitting digital audio data extracted from the received digital audio telecommunication signals received via the digital hybrid telephone line, the multichannel interface circuit including: a. a line interface for electronically conditioning digital audio telecommunication signals received from the digital hybrid telephone line; b. a framer which receives the conditioned digital audio telecommunication signals from the line interface, interfaces the physical layer of digital hybrid telephone line signals received from the line interface, and transmits digital audio data extracted from the received digital audio telecommunication signals; and c. a peripheral controller for exchanging digital audio data with the framer and with a Universal Serial Bus (“USB”) hub; a USB hub for receiving the digital audio data transmitted from the peripheral controller, and for transmitting the digital audio data to a USB root hub; and a personal computer (“PC”) having a USB root hub that is coupled to the USB hub, and which PC: