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Processing method and device of clock frequency in talkback system

A technology of clock frequency and intercom system, which is applied in the field of communication, can solve problems affecting communication quality, data packet playback time and receiving time are not uniform, and achieve the effect of improving quality

Active Publication Date: 2011-06-01
TCL CORPORATION
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for processing the clock frequency in the intercom system, aiming to solve the problem that the communication quality is affected by the inconsistency of the playing time and receiving time of the data packets during the communication process

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  • Processing method and device of clock frequency in talkback system
  • Processing method and device of clock frequency in talkback system
  • Processing method and device of clock frequency in talkback system

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] In the embodiment of the present invention, the intercom terminal compares the receiving time of the received data packet with the playing time, obtains the time difference, and processes the time difference to obtain the clock frequency adjustment value of the time base circuit of the intercom terminal, and adjusts it according to the obtained clock frequency. value to adjust the clock frequency of the time base circuit of the intercom terminal.

[0021] figure 1 It shows the preliminary flow of the clock frequency processing method in the intercom system provided by the preferred embodime...

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Abstract

The invention belongs to the field of communication, and discloses a processing method and a processing device of clock frequency in a talkback system. The method comprises the following steps: obtaining the average delay time of the N data packets according to the playing time and the receiving time of each data packet of N data packets received by a talkback terminal, wherein N is more than or equal to 1; obtaining the playing time difference of each data packet according to the obtained average delay time; obtaining the clock frequency adjustment value of a time-base circuit of the talkback terminal according to the playing time difference of each data packet, and adjusting the clock frequency of the time-base circuit of the talkback terminal according to the obtained frequency adjustment value. By using the method and the device, the problem that the communication quality is influenced by different playing time and receiving time of the data packet in the communication process is solved so that the communication quality is improved without signal delay.

Description

technical field [0001] The invention belongs to the field of communication, and in particular relates to a method and device for processing a clock frequency in an intercom system. Background technique [0002] With the continuous development of communication technology, users have higher and higher requirements on communication equipment, which puts forward high requirements on the quality of calls. [0003] Taking the remote control voice intercom system as an example, during the communication process of the remote control voice intercom electronic products, due to the quality of the communication channel, such as WIFI and cable interference, the voice data transmitted from one end to the other end is delayed; [0004] Moreover, in the voice intercom system of the remote control, due to the device difference between the two sides of the intercom, the working frequency of the voice IC of the remote control is different on different terminals, or because the working frequenc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/027
Inventor 吕云峰
Owner TCL CORPORATION
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