Patent ID: 9686569
Date: 2017-06-20
CPC Classifications: H04N

Claim:
1. A method for calibrating interactive time in a live program, wherein the method is performed in a user device, comprising: receiving a live content having a characteristic mark from a live program system; identifying the characteristic mark for acquiring a marking time, and wherein the characteristic mark is a watermark or a voiceprint embedded in the live content; receiving an interactive content from an interactive serving system that starts broadcasting the interactive content to the user device in response to an initiating signal generated by the live program system, and obtaining an initiating time of an interactive activity; computing a time difference between the marking time and the initiating time of the interactive activity; generating an interactive message with an adjusted time according to the time difference and the marking time; transmitting the interactive message to the interactive serving system over a data network; and calibrating the initiating time of the interactive activity, an end time and/or a deadline of response according to the time difference and marking time for preventing asynchronous interactive activity and the live program due to transmission delay.