Invention Grant
US08656432B2 Providing audio signals using a network back-channel 失效
使用网络后台提供音频信号

Providing audio signals using a network back-channel
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.
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