Invention Grant
- Patent Title: Providing audio signals using a network back-channel
- Patent Title (中): 使用网络后台提供音频信号
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Application No.: US12464652Application Date: 2009-05-12
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Publication No.: US08656432B2Publication Date: 2014-02-18
- Inventor: Marc Sullivan , Keith Crowe , James Pratt
- Applicant: Marc Sullivan , Keith Crowe , James Pratt
- Applicant Address: US GA Atlanta
- Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee: AT&T Intellectual Property I, L.P.
- Current Assignee Address: US GA Atlanta
- Agency: Jackson Walker L.L.P.
- Main IPC: H04N7/10
- IPC: H04N7/10 ; G06F3/00 ; H04N7/173

Abstract:
A method for providing audio portions of broadcast television signals is disclosed. A television signal is buffered by a multimedia client. In response to a user request, audio data may be obtained from a service provider and sent back to the multimedia client using a network back-channel. The obtained audio data may be synchronized with a video portion of the television signal and output to an audio device, while the television signal is output to a display device.
Public/Granted literature
- US20100289954A1 PROVIDING AUDIO SIGNALS USING A NETWORK BACK-CHANNEL Public/Granted day:2010-11-18
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