Method for detecting consistency of broadcast television audio signal content

Abstract

The present invention discloses a method for detecting the consistency of the broadcast television audio signal content. The method comprises a step 1 of extracting the characteristic codes of an audio information source to form a characteristic codebase; a step 2 of acquiring a time slice of audio signal characteristic codes of a to-be-detected transmission signal and recording the acquired timestamp; a step 3 of sending the audio signal characteristic codes and the timestamp acquired in the step 2 to a detection center system; and a step 4 of using the detection center system to compare the received audio signal characteristic codes with the characteristic codes within an error time delay before and after the timestamp in the characteristic codebase of the audio information source, if a result is detected, the signal is correct, otherwise, the transmission signal is error. The method of the present invention can be used to monitor the consistency of the audio signal of the information source producing mechanisms, such as broadcast radio stations, TV stations, etc., with a source signal during the signal transmission process.

Description

technical field [0001] The invention relates to an audio signal characteristic code extraction technology and an audio characteristic code retrieval verification technology, and proposes a method for monitoring whether the radio and television audio signal in the transmission process is consistent with its source signal. Background technique [0002] According to the division of functions of the various departments of the radio and television system, radio and television content production is in the charge of local radio and television stations, and signal transmission is in the charge of transmitters or cable network companies, Internet operating companies and other organizations. During the transmission of audio and video signals, due to various reasons ( Such as mistransmission, interrupt broadcast, etc.), which may cause inconsistencies between the transmitted audio and video signals (hereinafter referred to as the transmission signal) and the audio and video signals orig...

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the technical problem existing in the prior art that it is impossible to determine whether the content played by the radio and television stations is consistent with the source signal, and provides a radio and television audio signal that can monitor whether the signal in the transmission process is consistent with the source signal. sex detection method

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