CN111083555B - IP network multimedia communication method, terminal, system and storage medium - Google Patents
IP network multimedia communication method, terminal, system and storage medium Download PDFInfo
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Abstract
The invention discloses an IP network multimedia communication method, a terminal, a system and a storage medium, wherein the method comprises the following steps: receiving streaming media information and storing the streaming media information into a streaming media memory; judging whether the playing time of the streaming media information storage volume reaches a first preset threshold value or not; if yes, starting to read the streaming media information in the streaming media memory at regular time, decompressing the streaming media information, performing digital-to-analog conversion, and playing the content of the streaming media information; in the process of playing the content of the streaming media information, judging whether the playing time of the storage amount of the streaming media information exceeds a second preset threshold value; and if so, reading and decompressing the streaming media information of the X frame, and storing the decompressed streaming media information in a temporary cache. The method detects the storage quantity of the stream media information in the stream media memory in real time in the process of playing the content of the stream media information, and properly reduces the storage quantity of the stream media information when the storage quantity is excessive, thereby effectively reducing the playing delay of the terminal sound.
Description
Technical Field
The present invention relates to the field of IP network communication technologies, and in particular, to an IP network multimedia communication method, terminal, system, and storage medium.
Background
With the development of network technology, multimedia communication modes are developed in the lives of people, and people transmit audio by using the multimedia communication technology to perform real-time communication. However, the problems of high end-to-end audio delay and poor tone quality still exist when the existing multimedia communication is used in the existing basic network, and the experience effect of a user is not good when the user uses the existing multimedia communication.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, an object of the present invention is to provide an IP network multimedia communication method, which detects the storage amount of the streaming media information in the streaming media memory in real time during the playing of the content of the streaming media information, and when the storage amount is too large, properly reduces the storage amount of the streaming media information, thereby effectively reducing the delay of the terminal sound playing.
The other objective of the present invention is to provide an IP network multimedia communication terminal, which detects the storage amount of the streaming media information in the streaming media memory in real time during the playing process of the content of the streaming media information, and when the storage amount is too large, properly reduces the storage amount of the streaming media information, and effectively reduces the delay of the terminal sound playing.
The present invention also provides an IP network multimedia communication system, which detects the storage amount of the streaming media information in the streaming media memory in real time during the playing process of the content of the streaming media information, and when the storage amount is too much, properly reduces the storage amount of the streaming media information, and effectively reduces the delay of the terminal sound playing.
The fourth objective of the present invention is to provide a computer-readable storage medium, when a program in the storage medium runs, the real-time detection of the storage amount of the streaming media information in the streaming media storage can be realized during the playing of the content of the streaming media information, and when the storage amount is too much, the storage amount of the streaming media information is properly reduced, so as to effectively reduce the delay of the terminal sound playing.
One of the purposes of the invention is realized by adopting the following technical scheme:
an IP network multimedia communication method comprises the following steps:
receiving streaming media information and storing the streaming media information into a streaming media memory;
in the process of receiving the streaming media information, judging whether the playing time of the streaming media information storage volume in the streaming media memory reaches a first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage volume in the streaming media storage reaches a first preset threshold value or not;
if yes, starting to read the stream media information in the stream media memory at regular time, decompressing and performing digital-to-analog conversion on the stream media information, and then playing the content of the stream media information;
in the process of playing the content of the streaming media information, judging whether the playing time of the streaming media information storage volume in the streaming media memory exceeds a second preset threshold value, wherein the second preset threshold value is larger than the first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage space in the streaming media storage exceeds a second preset threshold value or not;
if yes, reading and decompressing the streaming media information of the X frame of the streaming media memory, and storing the decompressed streaming media information in a temporary cache; wherein, X is not more than M-M ', M is the storage capacity of the stream media information in the current stream media memory, and M' is the storage capacity of the stream media information when the playing time reaches a second preset threshold.
Further, the method also comprises the following steps:
judging whether the playing time length of the streaming media information storage space in the streaming media memory is smaller than a third preset threshold value, wherein the third preset threshold value is smaller than the first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage space in the streaming media storage is smaller than a third preset threshold value or not;
if yes, the streaming media information in the temporary cache is obtained to perform data compensation during digital-to-analog conversion.
Further, the first preset threshold is 100ms, the second preset threshold is 140ms, and the third preset threshold is 40 ms.
Further, before receiving the streaming media information, the method further comprises the following steps:
when a call request of an IP calling party is received, judging whether to establish connection or not according to the call request;
if not, ending the flow;
if yes, establishing connection, receiving streaming media information and storing the streaming media information into a streaming media memory.
The second purpose of the invention is realized by adopting the following technical scheme:
an IP network multimedia communication terminal comprising: the system comprises a microprocessor, a special IP sending module, an analog-to-digital converter, a special IP receiving module, a streaming media memory, a digital-to-analog converter and a network interface; the microprocessor is respectively connected with the special IP sending module, the analog-to-digital converter, the special IP receiving module, the streaming media memory, the digital-to-analog converter and the network interface; the special IP receiving module is connected with the streaming media memory, and the microprocessor can execute the IP network multimedia communication method.
Furthermore, the device also comprises an acousto-optic reminding module which is electrically connected with the microprocessor.
The third purpose of the invention is realized by adopting the following technical scheme:
an IP network multimedia communication system comprises at least two IP network multimedia communication terminals, wherein each IP network multimedia communication terminal establishes connection through an IP network.
The fourth purpose of the invention is realized by adopting the following technical scheme:
a computer-readable storage medium having stored thereon an executable computer program which when executed can implement the IP network multimedia communication method as described above.
Compared with the prior art, the invention has the beneficial effects that:
the IP network multimedia communication method can automatically receive the streaming media information, when the playing time of the storage volume of the streaming media information can reach a first preset threshold value, the streaming media information is received and stored, and the decompression and the digital-to-analog conversion are carried out at the same time so as to play, in addition, the storage volume of the streaming media information in the streaming media memory is detected in real time in the playing process, when the storage volume of the streaming media information is excessive, the storage volume of the streaming media information in the streaming media memory is properly reduced, and a part of the streaming media information is stored in a temporary buffer, so that the sound playing delay of a terminal is effectively reduced.
Drawings
FIG. 1 is a flow chart illustrating a method for IP multimedia communication according to the present invention;
fig. 2 is a block diagram of an IP network multimedia communication terminal according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1, an IP network multimedia communication method includes the following steps:
s1, receiving the stream media information and storing the stream media information into the stream media memory;
s2, in the process of receiving the streaming media information, judging whether the playing time of the streaming media information storage volume in the streaming media memory reaches a first preset threshold value;
if not, repeating the step S2, and continuously judging whether the playing time length of the streaming media information storage volume in the streaming media memory reaches a first preset threshold value;
if yes, executing S3, starting to read the stream media information in the stream media memory at regular time, decompressing and performing digital-to-analog conversion on the stream media information, and then playing the stream media information content;
s4, in the process of playing the content of the streaming media information, judging whether the playing time of the streaming media information storage space in the streaming media memory exceeds a second preset threshold value, wherein the second preset threshold value is larger than the first preset threshold value;
if not, repeating the step S4, and continuously judging whether the playing time length of the streaming media information storage volume in the streaming media storage exceeds a second preset threshold value;
if yes, executing S5, reading and decompressing the streaming media information of the X frame of the streaming media memory, and storing the decompressed streaming media information in a temporary cache; wherein X is less than or equal to M-M ', M is the storage capacity of the streaming media information in the current streaming media memory, and M' is the storage capacity of the streaming media information when the playing time reaches a second preset threshold.
The IP network multimedia communication method can automatically receive the streaming media information, when the playing time of the storage volume of the streaming media information can reach a first preset threshold value, the streaming media information is received and stored, and the decompression and the digital-to-analog conversion are carried out at the same time so as to play, in addition, the storage volume of the streaming media information in the streaming media memory is detected in real time in the playing process, when the storage volume of the streaming media information is excessive, the storage volume of the streaming media information in the streaming media memory is properly reduced, and a part of the streaming media information is stored in a temporary buffer, so that the sound playing delay of a terminal is effectively reduced.
As a preferred implementation, during playing the streaming media information content, the method further includes the steps of:
judging whether the playing time length of the streaming media information storage space in the streaming media memory is smaller than a third preset threshold value, wherein the third preset threshold value is smaller than the first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage space in the streaming media storage is smaller than a third preset threshold value or not;
if yes, the streaming media information in the temporary cache is obtained to perform data compensation during digital-to-analog conversion.
By the method, when the storage capacity of the streaming media information of the streaming media memory does not reach the data volume of the timing input digital-to-analog conversion module, the decompressed streaming media information stored in the temporary buffer is output to the digital-to-analog conversion module, so that the digital-to-analog conversion module has data processing in real time, a small amount of audio compensation ensures that the call is not blocked, and the anti-interference performance to the network can be effectively improved.
The receiving speed of the streaming media data packet received by the communication terminal from the network is changed due to the change of the network environment; when the network environment is good, the data receiving speed is high, and the real-time performance of playing sound by the communication terminal can be improved by properly reducing the storage capacity of the streaming media data; when the network environment is poor, the data receiving speed is low, the voice quality of the communication terminal can be improved by properly compensating the streaming media data, the influence of voice blockage caused by the fact that no streaming media data is played is reduced, and the problem of voice playing delay of the communication terminal caused by the network reason is effectively solved. Through two modes of reducing streaming media data and compensating the streaming media data, the anti-interference performance to the change of the network environment is improved.
The method for calculating the playing time length of the stream media information storage comprises the following steps: assuming that the number of data packets of the streaming media data in the streaming media memory after being decompressed is N (sampling points), the size of data of the IP dedicated receiving module after receiving a network streaming media data packet after being decompressed is N (sampling points), and the sampling rate of the streaming media data is F (hz), the playable time after receiving a streaming media data packet after being decompressed is t ═ N/F ═ 1000 (ms); the time for which the number of streaming media packets stored in the streaming media memory is playable is T ═ N × T (ms).
As a preferred embodiment, a certain amount of streaming media information is stored at first and is played, so that the streaming media information storage amount can ensure that the sound is continuously played in real time under a normal network condition, and the first preset threshold is preferably 100ms, so that the data amount is not too much, the memory occupation is too much, the reading rate is reduced, the sound delay is caused, and the phenomenon of sound blockage caused by too little data is avoided; further, the second preset threshold is preferably 140ms, and when the playing time of the storage volume exceeds 140ms, the data volume is large, so that the reading rate is reduced to cause sound delay, and therefore, the data volume is reduced after the playing time of the storage volume of the streaming media information exceeds 140 ms; further, the third preset threshold is a playing time of the data volume of the streaming media information read each time, preferably 40ms, and when the playing time of the storage volume of the streaming media information is less than 40ms, a phenomenon of voice pause due to no streaming media data is easily caused, so that data compensation is performed when the playing time of the storage volume of the streaming media information is less than 40 ms.
As a preferred implementation, before receiving the streaming media information, the method further includes the steps of:
when a call request of an IP calling party is received, judging whether to establish connection according to the call request;
if not, ending the flow; if yes, establishing connection, receiving streaming media information and storing the streaming media information into a streaming media memory. By the method, data transmission is carried out after the IP network communication connection is established.
Referring to fig. 2, the present invention further provides an IP network multimedia communication terminal, including: the system comprises a microprocessor, a special IP sending module, an analog-to-digital converter, a special IP receiving module, a streaming media memory, a digital-to-analog converter and a network interface; the microprocessor is respectively connected with the special IP sending module, the analog-to-digital converter, the special IP receiving module, the streaming media memory, the digital-to-analog converter and the network interface; the special IP receiving module is connected with the streaming media memory, and the microprocessor can execute the IP network multimedia communication method.
The communication terminal is provided with compression and decompression software, when streaming media information needs to be sent, a call request is sent through a special IP sending module, after connection is established, streaming media data are compressed after analog-to-digital conversion is carried out on the streaming media data through an analog-to-digital conversion module, and then the streaming media data are sent to a receiving party through the special IP sending module; when the streaming media information needs to be received, after the connection is established, the streaming media information is received through the special IP receiving module and stored in the streaming media memory, and when the storage capacity reaches a certain amount, the streaming media information in the streaming media memory is read, decompressed, subjected to digital-to-analog conversion and played.
As a preferred implementation mode, the portable lighting device further comprises a sound and light reminding module, wherein the sound and light reminding module is used for generating sound and light reminding, and the sound and light reminding module is electrically connected with the microprocessor.
In addition, an IP network multimedia communication system is also provided, which comprises at least two IP network multimedia communication terminals as described above, each of which establishes a connection through an IP network.
The invention also provides a computer readable storage medium, which stores an executable computer program, and when the computer program runs, the method for IP network multimedia communication can be realized.
The computer-readable storage medium stores a computer program in which the method of the present invention, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer storage medium and used by a processor to implement the steps of the embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer storage media may include content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer storage media that does not include electrical carrier signals and telecommunications signals as subject to legislation and patent practice.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (7)
1. An IP network multimedia communication method is characterized by comprising the following steps:
receiving streaming media information and storing the streaming media information into a streaming media memory;
in the process of receiving the streaming media information, judging whether the playing time of the streaming media information storage volume in the streaming media memory reaches a first preset threshold value;
if not, continuously judging whether the playing time length of the stream media information storage space in the stream media memory reaches a first preset threshold value or not;
if yes, starting to read the stream media information in the stream media memory at regular time, decompressing and performing digital-to-analog conversion on the stream media information, and then playing the content of the stream media information;
in the process of playing the content of the streaming media information, judging whether the playing time of the streaming media information storage volume in the streaming media memory exceeds a second preset threshold value, wherein the second preset threshold value is larger than the first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage space in the streaming media storage exceeds a second preset threshold value or not;
if yes, reading and decompressing the streaming media information of the X frame of the streaming media memory, and storing the decompressed streaming media information in a temporary cache; wherein X is less than or equal to M-M ', M is the storage capacity of the streaming media information in the current streaming media memory, and M' is the storage capacity of the streaming media information when the playing time reaches a second preset threshold;
in the process of playing the streaming media information content, the method further comprises the following steps:
judging whether the playing time length of the streaming media information storage space in the streaming media memory is smaller than a third preset threshold value, wherein the third preset threshold value is smaller than the first preset threshold value;
if not, continuously judging whether the playing time length of the streaming media information storage space in the streaming media storage is smaller than a third preset threshold value or not;
and if so, acquiring the streaming media information in the temporary cache to perform data compensation during digital-to-analog conversion.
2. The IP network multimedia communication method of claim 1, wherein the first predetermined threshold is 100ms, the second predetermined threshold is 140ms, and the third predetermined threshold is 40 ms.
3. The IP network multimedia communication method of claim 1, further comprising, before receiving the streaming media information, the steps of:
when a call request of an IP calling party is received, judging whether to establish connection according to the call request;
if not, ending the flow;
if yes, establishing connection and receiving the streaming media information and storing the streaming media information into a streaming media memory.
4. An IP network multimedia communication terminal, comprising: the system comprises a microprocessor, a special IP sending module, an analog-to-digital converter, a special IP receiving module, a streaming media memory, a digital-to-analog converter and a network interface; the microprocessor is respectively connected with the special IP sending module, the analog-to-digital converter, the special IP receiving module, the streaming media memory, the digital-to-analog converter and the network interface; the private IP receiving module is connected with the streaming media memory, and the microprocessor can execute the IP network multimedia communication method according to any one of claims 1 to 3.
5. The IP network multimedia communication terminal according to claim 4, further comprising an audible and visual alert module electrically connected to the microprocessor.
6. An IP network multimedia communication system comprising at least two IP network multimedia communication terminals according to claim 4 or 5, each IP network multimedia communication terminal establishing a connection through an IP network.
7. A computer-readable storage medium, in which an executable computer program is stored, which when executed, implements the IP network multimedia communication method according to any one of claims 1 to 3.
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| CN201910968376.4A CN111083555B (en) | 2019-10-12 | 2019-10-12 | IP network multimedia communication method, terminal, system and storage medium |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN105245496A (en) * | 2015-08-26 | 2016-01-13 | 广州市百果园网络科技有限公司 | Audio data play method and device |
| CN105554299A (en) * | 2016-01-07 | 2016-05-04 | 广州市昇博电子科技有限公司 | IP network multi-media communication method |
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