System and method for communication of information using channels of different latency
First Claim
1. A method for reducing perceived delay between transmission and reception of information, the method comprising:
- separating the information into first and second components based on at least one predetermined parameter correlated to the perceived delay;
communicating the first component via a first channel characterized by a first bandwidth and a first communication delay;
communicating the second component via a second channel characterized by a second bandwidth and a second communication delay, the second communication delay being greater than the first communication delay; and
generating a representation of the information based on the first component to reduce the perceived delay between transmission and reception of the information.
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Abstract
A system and method for communication of information using channels of different latency combine a high latency communication channel with a low latency communication channel to reduce the communication delay perceived by a user. The system and method includes separating information into first and second components based on a parameter correlated to the perceived delay, communicating the first component via a first channel, communicating the second component via a second channel having a communication delay greater than the first channel, and generating a representation of the information based on the first component. The second component of the information may be used to augment or modify the information represented by the first component. In one embodiment, the invention is applied to video teleconferencing where voice information and basis image information is transmitted via the low latency channel while background and other non-real-time information is communicated via the high latency communication channel.
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Citations
15 Claims
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1. A method for reducing perceived delay between transmission and reception of information, the method comprising:
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separating the information into first and second components based on at least one predetermined parameter correlated to the perceived delay; communicating the first component via a first channel characterized by a first bandwidth and a first communication delay; communicating the second component via a second channel characterized by a second bandwidth and a second communication delay, the second communication delay being greater than the first communication delay; and generating a representation of the information based on the first component to reduce the perceived delay between transmission and reception of the information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system for providing wideband communication of information while reducing perceived latency between transmission and reception, the system comprising:
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a first transmitter having an associated first communication channel characterized by a first communication latency; a second transmitter having an associated second communication channel characterized by an associated second communication latency, the second communication latency being greater than the first communication latency; a first encoder for generating a symbolic representation of the information; a second encoder in communication with the first encoder for generating a bit stream representing the symbolic representation generated by the first encoder and control information; and a router in communication with the second encoder and the first and second transmitters for directing a first portion of the bit stream to the first transmitter and a second portion of the bit stream to the second transmitter based on the control information; wherein the first transmitter transmits the first portion of the bit stream and the second transmitter transmits the second portion of the bit stream to provide wideband communication of the information while reducing the perceived latency. - View Dependent Claims (13, 14)
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15. A method for communicating audio and video information to reduce perceived latency between transmission and reception of the information and to reduce perceived latency between reception of the audio information and video information, the method comprising:
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processing the audio and video information to generate a symbolic representation having audio and corresponding video based on deviations from predetermined, stored audio and video information, respectively; transmitting the symbolic representation via a first communication channel having an associated first communication latency; representing the audio and video information using the transmitted symbolic representation to reduce perceived latency between transmission and reception; transmitting the audio and video information via a second communication channel having an associated second communication latency, the second communication latency being greater than the first communication latency; and using the audio and video information transmitted via the second communication channel to enhance the symbolic representation.
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Specification