CN116722947A - Audio synchronization method, system, device and storable medium - Google Patents
Audio synchronization method, system, device and storable medium Download PDFInfo
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- CN116722947A CN116722947A CN202310987051.7A CN202310987051A CN116722947A CN 116722947 A CN116722947 A CN 116722947A CN 202310987051 A CN202310987051 A CN 202310987051A CN 116722947 A CN116722947 A CN 116722947A
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- 238000006243 chemical reaction Methods 0.000 claims description 30
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- 238000004590 computer program Methods 0.000 claims description 9
- 230000001483 mobilizing effect Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an audio synchronization method, a system, a device and a storage medium, which are characterized in that whether time synchronization request information belongs to a time delay request message is judged, if yes, a first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response message for the time delay message and transmit the corresponding PTP time synchronization response message to corresponding request equipment, otherwise, a protocol converter is mobilized to receive the time synchronization request information and convert the time synchronization request information into the time delay request message, and then a second PTP master clock server is used for processing the converted time delay request message, so that PTP network time synchronization of various equipment can be realized, the precision of time synchronization is ensured, and each equipment is not required to support a PTP network time synchronization protocol, thereby solving the defects of low precision and strict equipment requirement in the prior art.
Description
Technical Field
The present invention relates to the field of distributed systems, and in particular, to an audio synchronization method, system, device, and storable medium.
Background
The distributed system is composed of an input node, an output node, a large screen, management and control software, distributed assistant software and a switch, wherein the input node can be a workstation, a computer host, a video terminal, a desktop, DVD, IPC and the like, in order to realize audio synchronization of all devices in the distributed system, an NTP network time synchronization protocol or a PTP network time synchronization protocol is generally adopted, so that audio synchronization of all devices in the distributed system is effectively ensured, however, the time synchronization can reach the precision of about 5ms by adopting the NTP network time synchronization protocol, the precision of about 5ms can not meet the requirement for users needing high precision, the time synchronization can realize the effect of high precision by adopting the PTP network time synchronization protocol, but the time synchronization protocol of each device is supported by the PTP network time synchronization protocol, nanosecond synchronization can be realized, and the requirement on the devices is strict.
Disclosure of Invention
In view of the above, the present invention provides an audio synchronization method, system, device and storable medium, which can effectively solve the defects of low precision and strict requirements for equipment in the prior art.
The technical scheme of the invention is realized as follows:
an audio synchronization method specifically comprises the following steps:
acquiring time synchronization request information of each request device;
judging whether the time synchronization request information belongs to a time delay request message, if so, mobilizing a first PTP master clock server to generate a corresponding PTP time synchronization response message for the time delay request message and forwarding the corresponding PTP time synchronization response message to corresponding request equipment, otherwise mobilizing a protocol converter to receive the time synchronization request information;
the protocol converter converts the received time synchronization request information into a time delay request message and sends the time delay request message to the second PTP master clock server;
the second PTP master clock server generates a corresponding PTP time synchronization response message for the time delay request message and forwards the corresponding PTP time synchronization response message to the protocol adapter;
the protocol adapter converts the PTP time synchronization response message into an NTP time synchronization response message and forwards the NTP time synchronization response message to corresponding request equipment;
and the request equipment receives and analyzes the NTP time synchronization response message to realize time synchronization.
As a further alternative of the audio synchronization method, the protocol converter converts the received time synchronization request information into a time delay request packet, and sends the time delay request packet to the second PTP master clock server, and specifically includes:
the protocol adapter receives the inter-synchronous request information, and converts the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
the protocol adapter sends the time delay request message to the second PTP master clock server through the PTP network.
As a further alternative of the audio synchronization method, the data packet transformation and the timestamp conversion specifically include:
acquiring the IP address of the request equipment for transmitting the time synchronization request information and a transmission time stamp T1 for transmitting the time synchronization request information;
establishing a corresponding relation between an IP address of a request device for transmitting time synchronization request information and a delay request message sequence ID field;
and establishing a corresponding relation between a sending time stamp T1 of the sending time synchronization request information and a delay request message sequence ID field.
As a further alternative of the audio synchronization method, the determining whether the time synchronization request information belongs to a time delay request packet specifically includes:
analyzing the time synchronization request information to obtain a message data packet of the time synchronization request information;
judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
An audio synchronization system, comprising:
the first acquisition module is used for acquiring time synchronization request information of each request device;
the judging module is used for judging whether the time synchronization request information belongs to a time delay request message, if so, the first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response message for the time delay request message and transmit the corresponding PTP time synchronization response message to corresponding request equipment, and if not, the protocol converter is mobilized to receive the time synchronization request information;
the first conversion module is used for converting the received time synchronization request information into a time delay request message by the protocol converter and transmitting the time delay request message to the second PTP master clock server;
the generation module is used for generating a corresponding PTP time synchronization response message for the time delay request message by the second PTP master clock server and forwarding the corresponding PTP time synchronization response message to the protocol adapter;
the second conversion module is used for converting the PTP time synchronization response message into an NTP time synchronization response message by the protocol adapter and forwarding the NTP time synchronization response message to corresponding request equipment;
and the synchronous module is used for receiving and analyzing the NTP time synchronous response message by the request equipment to realize time synchronization.
As a further alternative of the audio synchronization system, the first conversion module includes:
the conversion module is used for receiving the inter-synchronous request information by the protocol adapter, converting the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
and the sending module is used for sending the time delay request message to the second PTP master clock server through the PTP network by the protocol adapter.
As a further alternative to the audio synchronization system, the conversion module includes:
the second acquisition module is used for acquiring the IP address of the request equipment for transmitting the time synchronization request information and the transmission time stamp T1 for transmitting the time synchronization request information;
the first establishing module is used for establishing the corresponding relation between the IP address of the request equipment for sending the time synchronization request information and the sequence ID field of the delay request message;
the second establishing module is configured to establish a corresponding relationship between a transmission timestamp T1 of the transmission time synchronization request information and a sequence id field of the delay request message.
As a further alternative of the audio synchronization system, the judging module includes:
the analysis module is used for analyzing the time synchronization request information and acquiring a message data packet of the time synchronization request information;
the identification module is used for judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
An apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of any one of the above audio synchronization methods when the computer program is executed.
A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of any one of the above-described audio synchronization methods.
The beneficial effects of the invention are as follows: and judging whether the time synchronization request information belongs to a time delay request message, if so, mobilizing a first PTP master clock server to generate a corresponding PTP time synchronization response message for the time delay message and forwarding the corresponding PTP time synchronization response message to corresponding request equipment, otherwise, mobilizing a protocol converter to receive the time synchronization request information, converting the time synchronization request information into the time delay request message, and processing the converted time delay request message through a second PTP master clock server, so that the time synchronization of PTP networks of various equipment can be realized, the accuracy of the time synchronization is ensured, and each equipment is not required to support a PTP network time synchronization protocol, thereby solving the defects of low accuracy and strict requirements on the equipment in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an audio synchronization method according to the present invention;
fig. 2 is a schematic diagram of an audio synchronization system according to the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, an audio synchronization method specifically includes:
acquiring time synchronization request information of each request device;
judging whether the time synchronization request information belongs to a time delay request message, if so, mobilizing a first PTP master clock server to generate a corresponding PTP time synchronization response message for the time delay request message and forwarding the corresponding PTP time synchronization response message to corresponding request equipment, otherwise mobilizing a protocol converter to receive the time synchronization request information;
the protocol converter converts the received time synchronization request information into a time delay request message and sends the time delay request message to the second PTP master clock server;
the second PTP master clock server generates a corresponding PTP time synchronization response message for the time delay request message and forwards the corresponding PTP time synchronization response message to the protocol adapter;
the protocol adapter converts the PTP time synchronization response message into an NTP time synchronization response message and forwards the NTP time synchronization response message to corresponding request equipment;
and the request equipment receives and analyzes the NTP time synchronization response message to realize time synchronization.
In this embodiment, by determining whether the time synchronization request information belongs to the time delay request packet, if yes, the first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response packet for the time delay packet and transmit the corresponding PTP time synchronization response packet to the corresponding request device, otherwise, the mobilized protocol converter receives the time synchronization request information and converts the time synchronization request information into the time delay request packet, and then the second PTP master clock server processes the converted time delay request packet, so that PTP network time synchronization for various devices can be implemented, thereby ensuring the accuracy of time synchronization, and not only requiring that each device supports PTP network time synchronization protocols, and thus solving the defects of low accuracy and strict requirements for devices in the prior art.
It should be noted that, by adopting different PTP master clock servers to process different delay request messages, occurrence of processing disorder results can be avoided.
Preferably, the protocol converter converts the received time synchronization request information into a time delay request message, and sends the time delay request message to the second PTP master clock server, which specifically includes:
the protocol adapter receives the inter-synchronous request information, and converts the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
the protocol adapter sends the time delay request message to the second PTP master clock server through the PTP network.
Preferably, the data message conversion and the timestamp conversion specifically include:
acquiring the IP address of the request equipment for transmitting the time synchronization request information and a transmission time stamp T1 for transmitting the time synchronization request information;
establishing a corresponding relation between an IP address of a request device for transmitting time synchronization request information and a delay request message sequence ID field;
and establishing a corresponding relation between a sending time stamp T1 of the sending time synchronization request information and a delay request message sequence ID field.
Preferably, the determining whether the time synchronization request information belongs to a time delay request message specifically includes:
analyzing the time synchronization request information to obtain a message data packet of the time synchronization request information;
judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
In this embodiment, by acquiring a packet data packet of the time synchronization request information and determining whether the packet data packet belongs to any one of a Syn packet, an Annunce packet, a pdelay_resp packet and a pdelay_resp_follow_up packet, it can be accurately determined whether the time synchronization request information belongs to a delay request packet.
An audio synchronization system, comprising:
the first acquisition module is used for acquiring time synchronization request information of each request device;
the judging module is used for judging whether the time synchronization request information belongs to a time delay request message, if so, the first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response message for the time delay request message and transmit the corresponding PTP time synchronization response message to corresponding request equipment, and if not, the protocol converter is mobilized to receive the time synchronization request information;
the first conversion module is used for converting the received time synchronization request information into a time delay request message by the protocol converter and transmitting the time delay request message to the second PTP master clock server;
the generation module is used for generating a corresponding PTP time synchronization response message for the time delay request message by the second PTP master clock server and forwarding the corresponding PTP time synchronization response message to the protocol adapter;
the second conversion module is used for converting the PTP time synchronization response message into an NTP time synchronization response message by the protocol adapter and forwarding the NTP time synchronization response message to corresponding request equipment;
and the synchronous module is used for receiving and analyzing the NTP time synchronous response message by the request equipment to realize time synchronization.
In this embodiment, by determining whether the time synchronization request information belongs to the time delay request packet, if yes, the first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response packet for the time delay packet and transmit the corresponding PTP time synchronization response packet to the corresponding request device, otherwise, the mobilized protocol converter receives the time synchronization request information and converts the time synchronization request information into the time delay request packet, and then the second PTP master clock server processes the converted time delay request packet, so that PTP network time synchronization for various devices can be implemented, thereby ensuring the accuracy of time synchronization, and not only requiring that each device supports PTP network time synchronization protocols, and thus solving the defects of low accuracy and strict requirements for devices in the prior art.
It should be noted that, by adopting different PTP master clock servers to process different delay request messages, occurrence of processing disorder results can be avoided.
Preferably, the first conversion module includes:
the conversion module is used for receiving the inter-synchronous request information by the protocol adapter, converting the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
and the sending module is used for sending the time delay request message to the second PTP master clock server through the PTP network by the protocol adapter.
Preferably, the conversion module includes:
the second acquisition module is used for acquiring the IP address of the request equipment for transmitting the time synchronization request information and the transmission time stamp T1 for transmitting the time synchronization request information;
the first establishing module is used for establishing the corresponding relation between the IP address of the request equipment for sending the time synchronization request information and the sequence ID field of the delay request message;
the second establishing module is configured to establish a corresponding relationship between a transmission timestamp T1 of the transmission time synchronization request information and a sequence id field of the delay request message.
Preferably, the judging module includes:
the analysis module is used for analyzing the time synchronization request information and acquiring a message data packet of the time synchronization request information;
the identification module is used for judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
In this embodiment, by acquiring a packet data packet of the time synchronization request information and determining whether the packet data packet belongs to any one of a Syn packet, an Annunce packet, a pdelay_resp packet and a pdelay_resp_follow_up packet, it can be accurately determined whether the time synchronization request information belongs to a delay request packet.
An apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of any one of the above audio synchronization methods when the computer program is executed.
A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of any one of the above-described audio synchronization methods.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. An audio synchronization method, which is characterized by comprising the following steps:
acquiring time synchronization request information of each request device;
judging whether the time synchronization request information belongs to a time delay request message, if so, mobilizing a first PTP master clock server to generate a corresponding PTP time synchronization response message for the time delay request message and forwarding the corresponding PTP time synchronization response message to corresponding request equipment, otherwise mobilizing a protocol converter to receive the time synchronization request information;
the protocol converter converts the received time synchronization request information into a time delay request message and sends the time delay request message to the second PTP master clock server;
the second PTP master clock server generates a corresponding PTP time synchronization response message for the time delay request message and forwards the corresponding PTP time synchronization response message to the protocol adapter;
the protocol adapter converts the PTP time synchronization response message into an NTP time synchronization response message and forwards the NTP time synchronization response message to corresponding request equipment;
and the request equipment receives and analyzes the NTP time synchronization response message to realize time synchronization.
2. The audio synchronization method according to claim 1, wherein the protocol converter converts the received time synchronization request information into a delay request message, and sends the delay request message to the second PTP master clock server, and specifically comprising:
the protocol adapter receives the inter-synchronous request information, and converts the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
the protocol adapter sends the time delay request message to the second PTP master clock server through the PTP network.
3. The audio synchronization method according to claim 2, wherein the data message transformation and the timestamp conversion specifically include:
acquiring the IP address of the request equipment for transmitting the time synchronization request information and a transmission time stamp T1 for transmitting the time synchronization request information;
establishing a corresponding relation between an IP address of a request device for transmitting time synchronization request information and a delay request message sequence ID field;
and establishing a corresponding relation between a sending time stamp T1 of the sending time synchronization request information and a delay request message sequence ID field.
4. The audio synchronization method according to claim 3, wherein the determining whether the time synchronization request information belongs to a delay request message comprises:
analyzing the time synchronization request information to obtain a message data packet of the time synchronization request information;
judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
5. An audio synchronization system, comprising:
the first acquisition module is used for acquiring time synchronization request information of each request device;
the judging module is used for judging whether the time synchronization request information belongs to a time delay request message, if so, the first PTP master clock server is mobilized to generate a corresponding PTP time synchronization response message for the time delay request message and transmit the corresponding PTP time synchronization response message to corresponding request equipment, and if not, the protocol converter is mobilized to receive the time synchronization request information;
the first conversion module is used for converting the received time synchronization request information into a time delay request message by the protocol converter and transmitting the time delay request message to the second PTP master clock server;
the generation module is used for generating a corresponding PTP time synchronization response message for the time delay request message by the second PTP master clock server and forwarding the corresponding PTP time synchronization response message to the protocol adapter;
the second conversion module is used for converting the PTP time synchronization response message into an NTP time synchronization response message by the protocol adapter and forwarding the NTP time synchronization response message to corresponding request equipment;
and the synchronous module is used for receiving and analyzing the NTP time synchronous response message by the request equipment to realize time synchronization.
6. The audio synchronization system of claim 5, wherein the first conversion module comprises:
the conversion module is used for receiving the inter-synchronous request information by the protocol adapter, converting the inter-synchronous request information into a time delay request message after data message conversion and time stamp conversion;
and the sending module is used for sending the time delay request message to the second PTP master clock server through the PTP network by the protocol adapter.
7. The audio synchronization system of claim 6, wherein the translation module comprises:
the second acquisition module is used for acquiring the IP address of the request equipment for transmitting the time synchronization request information and the transmission time stamp T1 for transmitting the time synchronization request information;
the first establishing module is used for establishing the corresponding relation between the IP address of the request equipment for sending the time synchronization request information and the sequence ID field of the delay request message;
the second establishing module is configured to establish a corresponding relationship between a transmission timestamp T1 of the transmission time synchronization request information and a sequence id field of the delay request message.
8. The audio synchronization system of claim 7, wherein the determining module comprises:
the analysis module is used for analyzing the time synchronization request information and acquiring a message data packet of the time synchronization request information;
the identification module is used for judging whether the message data packet belongs to a Syn message, an Announce message, a Pdelay_Resp message and a Pdelay_Resp_Follow_Up message, if so, the message data packet belongs to a time delay request message, and if not, the message data packet belongs to a time delay request message.
9. An audio synchronization device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the audio synchronization method according to any one of claims 1-4 when the computer program is executed.
10. A computer readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the audio synchronization method of any of claims 1-4.
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| CN202310987051.7A CN116722947A (en) | 2023-08-08 | 2023-08-08 | Audio synchronization method, system, device and storable medium |
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| CN202310987051.7A CN116722947A (en) | 2023-08-08 | 2023-08-08 | Audio synchronization method, system, device and storable medium |
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Application publication date: 20230908 |