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A method for real time monitoring signals of encoding device

An encoding device and real-time monitoring technology, which is applied in the field of digital audio and video, can solve the problems of increasing the complexity of system equipment, inconvenient encoder monitoring, and adding monitoring equipment, etc., so as to reduce the complexity of equipment, facilitate implementation, and reduce the cost of use Effect

Inactive Publication Date: 2008-04-30
CENT ACADEME OF SVA GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method not only needs to increase the monitoring equipment, which increases the complexity of the system equipment, but also brings great inconvenience to the monitoring of the encoder.

Method used

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  • A method for real time monitoring signals of encoding device
  • A method for real time monitoring signals of encoding device
  • A method for real time monitoring signals of encoding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A signal real-time monitoring method of a coding device of the present invention, as shown in Figure 1, said method comprises the following steps:

[0025] S1. The encoding device collects audio and video input signals through the acquisition card, and the input signals include analog signals and digital signals;

[0026] S2. If the video signal collected in step S1 is an analog signal, then convert the analog signal into a digital signal for output; if the video signal collected in step S1 is a digital signal, then output the original signal;

[0027] S3. Perform size reduction processing on the large-size image formed by the video signal output in step S2 to form a small image;

[0028] S4. Perform frame rate reduction processing on the small image formed in step S3 to form an image with a low frame rate;

[0029] S5. Input the video signal and audio signal output in step S4 into the display device of the master control machine of the encoding device for real-time di...

Embodiment 2

[0032] A signal real-time monitoring method of a coding device of the present invention, as shown in Figure 2, said method comprises the following steps:

[0033] S1. The encoding device collects audio and video input signals through the acquisition card, and the input signals include analog signals and digital signals;

[0034] S2. If the video signal collected in step S1 is an analog signal, the analog signal is converted into a digital signal for output; if the video signal collected in step S1 is a digital signal, the original signal is output;

[0035] S3. Perform frame rate reduction processing on the video signal output in step S2 to form a low frame rate image;

[0036] S4. Perform size reduction processing on the image formed in step S3 to form a small image;

[0037] S5. Input the video signal and audio signal output in step S4 into the display device of the master control machine of the encoding device for real-time display and playback, and the input and output si...

Embodiment 3

[0040] A signal real-time monitoring method of a coding device of the present invention, as shown in Figure 3, said method comprises the following steps:

[0041] S1. The encoding device collects audio and video input signals through the acquisition card, and the input signals include analog signals and digital signals;

[0042] S2. If the video signal collected in step S1 is an analog signal, then convert the analog signal into a digital signal for output; if the video signal collected in step S1 is a digital signal, then output the original signal;

[0043] S3, encoding the output signal of the acquisition card according to the encoding standard;

[0044] S4. Decoding the encoded video signal by a corresponding method and then outputting it;

[0045] S5. Reducing the size of the large-size image formed by the video signal output in step S4 to form a small image;

[0046] S6. Perform frame rate reduction processing on the small image formed in step S5 to form an image with ...

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Abstract

The invention provides a signal real-time monitoring method for a coder. The method can process the input / output signal of the coder and then perform real-time monitoring. Specifically, the method comprises: the video output signal of a capture card is processed by minification in image size and reduction in image frame rate, and the processed video / audio signals are transmitted to a display; or the coded signal is decoded and then processed by minification in image size and reduction in image frame rate; and finally the processed video / audio signals are transmitted to the display. The monitoring signal is displayed on a small window of the display, so that the operator can judge whether the output signal of the coder is correct or wrong by the observation through the small window. The invention can reduce the complexity of system application and the cost as well, and is convenient to operate.

Description

technical field [0001] The invention relates to the field of digital audio and video, in particular to a method for real-time monitoring of signals of an encoding device. Background technique [0002] The encoding device is a device that encodes and compresses the initial data and source of digital audio and video, that is, various input signals input by the acquisition card, such as: composite video signal (composite), serial digital interface (SDI) and S terminal input (S-Video) and other encoded signals into code streams that conform to source standards such as Mpeg2, H.264 / MPEG-4 AVC or AVS. When the encoder is working, in order to ensure the correctness and validity of the receiving terminal signal, it is often necessary to monitor whether the encoder is working normally at the signal transmitting end and whether the encoder has a predetermined output signal. At present, the usual practice is to connect the output signal of the encoder to a terminal device capable of d...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N19/59
Inventor 许昌满
Owner CENT ACADEME OF SVA GROUP
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