CN104503727A - Audio processing method and device based on KVM system, and server - Google Patents

Audio processing method and device based on KVM system, and server Download PDF

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Publication number
CN104503727A
CN104503727A CN201410821419.3A CN201410821419A CN104503727A CN 104503727 A CN104503727 A CN 104503727A CN 201410821419 A CN201410821419 A CN 201410821419A CN 104503727 A CN104503727 A CN 104503727A
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audio
client device
sound signal
coding
kvm
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肖翔
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Hangzhou H3C Technologies Co Ltd
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Hangzhou H3C Technologies Co Ltd
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Priority to CN201410821419.3A priority Critical patent/CN104503727A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • G06F3/162Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0227Cooperation and interconnection of the input arrangement with other functional units of a computer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383Signal control means within the pointing device

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention provides an audio processing method based on a KVM system, an audio processing device based on the KVM system and a server. The method comprises the following steps: receiving a fist audio signal sent by a mainboard; converting the first audio signal into a second audio signal; sending the second audio signal to KVM client equipment so as to enable the KVM client equipment to output voice according to the second audio signal. According to the audio processing method, the audio signals in the server can be played on the KVM client equipment.

Description

Based on the audio-frequency processing method of kvm system, device and server
Technical field
The application relates to network communication technology field, particularly relates to based on the audio-frequency processing method of kvm system, device and server.
Background technology
KVM (Keyboard Video Mouse, keyboard, video, mouse) system is a kind of centralized management system, and this system realizes the centralized management to a large amount of server by the KVM equipment that configuration is a small amount of.KVM equipment can operated from a distance server, and switches between different server, thus realizes a KVM device access and operation multiple servers, improves manageability and the work efficiency of system.
At present, kvm system only provides the transmission of vision signal, namely can only see the video image of server on KVM equipment, causes systemic-function to be affected.
Summary of the invention
In view of this, this application provides a kind of audio-frequency processing method based on keyboard-video-mouse kvm system, the method is applied on the audio processing modules in server, comprising:
Receive the first sound signal that mainboard sends;
Described first sound signal is converted to the second sound signal;
Send described second sound signal to KVM client device, export sound to make described KVM client device according to described second sound signal.
Present invention also provides a kind of audio-frequency processing method based on keyboard-video-mouse kvm system, the method is applied on the baseboard management controller BMC in server, comprising:
Receive the audio file that mainboard sends;
Described audio file is encoded;
Send the audio file after coding to KVM client device, export sound to make described KVM client device according to the audio file after described coding.
Present invention also provides a kind of apparatus for processing audio based on keyboard-video-mouse kvm system, on the audio processing modules of this application of installation in server, comprising:
Receiving element, for receiving the first sound signal that mainboard sends;
Generation unit, for being converted to the second sound signal by described first sound signal;
Transmitting element, for sending described second sound signal to KVM client device, exports sound to make described KVM client device according to described second sound signal.
Present invention also provides a kind of apparatus for processing audio based on keyboard-video-mouse kvm system, on the baseboard management controller BMC of this application of installation in server, comprising:
Receiving element, for receiving the audio file that mainboard sends;
Coding unit, for encoding to described audio file;
Transmitting element, for sending the audio file after coding to KVM client device, exports sound to make described KVM client device according to the audio file after described coding.
Present invention also provides a kind of server, this server comprises mainboard, audio processing modules and baseboard management controller BMC, wherein:
Described mainboard, for sending the first sound signal;
Described audio processing modules, for receiving described first sound signal, and is converted to the second sound signal by described first sound signal;
Described BMC, for sending to described KVM client device by after described second audio-frequency signal coding, exports sound to make described KVM client device according to the second sound signal after coding.
Present invention also provides a kind of server, this server comprises mainboard and baseboard management controller BMC, wherein:
Described mainboard, for sending audio file;
Described BMC, for receiving described audio file, sending to described KVM client device, exporting sound to make described KVM client device according to the audio file after coding after to described audio file coding.
The application is by increasing audio transmission channel in the server, sound signal in server is sent to KVM client device, to realize the sound signal on KVM client device in Play Server, solve KVM client in prior art and can only see video pictures and cannot the defect of sensing audio, managerial personnel are enable to get the information of server more intuitively, to the management of server and operation.
Accompanying drawing explanation
Fig. 1 is that in prior art, KVM realizes block diagram;
Fig. 2 is the processing flow chart based on the audio-frequency processing method of kvm system in a kind of embodiment of the application;
Fig. 3-1 is that in a kind of embodiment of the application, KVM realizes block diagram;
Fig. 3-2 is that in the another kind of embodiment of the application, KVM realizes block diagram;
Fig. 4 is the processing flow chart based on the audio-frequency processing method of kvm system in the another kind of embodiment of the application;
Fig. 5 is that in the another kind of embodiment of the application, KVM realizes block diagram;
Fig. 6 is the underlying hardware schematic diagram based on the apparatus for processing audio of kvm system in a kind of embodiment of the application;
Fig. 7 is the structural representation based on the apparatus for processing audio of kvm system in a kind of embodiment of the application;
Fig. 8-1 is the structural representation based on the apparatus for processing audio of kvm system in the another kind of embodiment of the application;
Fig. 8-2 is the structural representations based on the apparatus for processing audio of kvm system in the another kind of embodiment of the application;
Fig. 9-1 is the schematic diagram of server in a kind of embodiment of the application;
Fig. 9-2 is schematic diagram of server in the another kind of embodiment of the application;
Figure 10 is the schematic diagram of server in the another kind of embodiment of the application.
Embodiment
For making the object of the application, technical scheme and advantage clearly understand, referring to accompanying drawing, scheme described in the application is described in further detail.
Kvm system is a centralized management system, this system comprises server and KVM client device, wherein, a KVM client device can control multiple servers, therefore, a small amount of KVM client device can be realized to the centralized management of a large amount of server in kvm system, improve the efficiency of management of system.
At present, kvm system can only realize transmission of video, namely KVM client device can only video information in display server, as shown in Figure 1, server mainly comprises mainboard, video card and BMC (Baseboard Management Controller, baseboard management controller), server is connected with KVM client device by network, this KVM client device can be main frame, also can be mobile terminal device, can Control Server by operated from a distance.When server playing video file, mainboard output video signal is to video card, BMC is sent to after video frequency signal processing by video card, BMC sends to KVM client device to after Video signal encoding compression by network, thus can see the video that server is being play on KVM client device.There is no the transmission of sound signal under this KVM framework, therefore, KVM client device can only see video image, but cannot hear sound.
For the problems referred to above, the embodiment of the present application proposes a kind of audio-frequency processing method based on kvm system, the method by increasing audio transmission channel in the server, to make KVM client device can sound signal in Play Server.
See Fig. 2, for the application is based on an embodiment process flow diagram of the audio-frequency processing method of kvm system, this embodiment is described from the audio processing modules side server the audio processing process based on kvm system.
The embodiment of the present application realizes audio signal transmission by increasing audio processing modules in the server, and this audio processing modules can independently exist, as shown in figure 3-1, between mainboard and BMC; Also can be integrated in BMC, as shown in figure 3-2.
Step 210, receives the first sound signal that mainboard sends.
When server audio plays, sound signal is exported to audio processing modules by the connection (such as, PCIE bus) between audio processing modules by mainboard, below the sound signal that mainboard exports is called the first sound signal.After audio processing modules receives the first sound signal, perform step 220.
Step 220, is converted to the second sound signal by described first sound signal.
Audio processing modules can comprise sound card and analog to digital conversion submodule usually.After audio processing modules receives the first sound signal of mainboard transmission, local audio plays is can be implemented in by sound card, meanwhile, the simulating signal that sound card exports converts digital audio and video signals to by analog to digital conversion submodule, below this digital audio and video signals is called the second sound signal.
Step 230, sends described second sound signal to KVM client device, exports sound to make described KVM client device according to described second sound signal.
According to audio processing modules position in the server, following two kinds of processing modes can be divided into:
In one embodiment, as shown in figure 3-1, when audio processing modules is independently present in server, the second sound signal can be sent to BMC by the interface channel between BMC by audio processing modules.BMC sends to KVM client device to after the second audio-frequency signal coding compression.
In another embodiment, as shown in figure 3-2, when being integrated in the BMC in server when audio processing modules, BMC directly can obtain the second sound signal that audio processing modules exports, and sends to KVM client device by after the second audio-frequency signal coding compression.
KVM client device is play local after the second sound signal uncompressed encoding received, thus achieves and play with the audio sync of server.
See Fig. 4, for the application is based on another embodiment process flow diagram of the audio-frequency processing method of kvm system, this embodiment is described from the BMC side server the audio processing process based on kvm system.
As shown in Figure 5, server can not increase the module being specifically designed to audio frequency process, utilizes existing structure also to can be implemented in audio frequency on KVM client device in Play Server.
Step 410, receives the audio file that mainboard sends.
Server can preserve the audio file made in advance usually, and the audio file in the application refers to the file comprising audio-frequency information, comprises the video file comprising audio-frequency information.When needing the audio frequency in Play Server when KVM client device, audio file can be sent to BMC by the interface channel between BMC by the mainboard in server.This interface channel can utilize the existing passage in server, such as, for transmitting USB (Universal Serial Bus, the USB (universal serial bus)) passage of the operational order such as keyboard, mouse between mainboard and BMC, also can newly-built interface channel transfer audio files.After BMC receives the audio file of mainboard transmission, perform the operation of step 420.
Step 420, encodes to described audio file.
Step 430, sends the audio file after described coding to KVM client device, exports sound to make described KVM client device according to the audio file after described coding.
Audio file after coding is sent to KVM client device by BMC, and KVM client device plays this audio file, and the audio frequency namely achieving server is play at KVM client device.
It should be noted that, in kvm system, realize audio transmission also have an important application, namely when server fail, can on KVM client device outputting alarm sound.When keeper cannot watch video in real time, registrar server can be reminded to break down, so that keeper solves a problem promptly by alerting tone.Specific implementation process is as follows:
BMC is the administrative unit of server, can the running status of management and supervision server, comprise temperature, power supply, power, fan, CPU (Central Processing Unit, central processing unit) ruuning situation etc., therefore, BMC can detect server failure (such as, too high, operating system failure of cpu temperature etc.).When server fail, after the alerting tone frequency file compression coding that this locality is preserved by BMC, send to KVM client device.This embodiment requires to prestore in BMC alerting tone frequency file, in one preferably embodiment, and the alerting tone frequency file that can prestore different according to different fault types or fault rank.When server fail, BMC can send different alerting tone frequency files according to fault type or fault rank to KVM client device, to make keeper can tell fault type or fault rank according to the alerting tone that KVM client device exports, determine whether process immediately.
Corresponding with the embodiment of the aforementioned audio-frequency processing method based on kvm system, the application also provides the embodiment of the apparatus for processing audio based on kvm system.
The application can apply on audio processing modules in the server or BMC based on the embodiment of the apparatus for processing audio of kvm system.Device embodiment can pass through software simulating, also can be realized by the mode of hardware or software and hardware combining.For software simulating, as the device on a logical meaning, be that computer program instructions corresponding in the CPU run memory by its place module is formed.Say from hardware view, as shown in Figure 6, for the application is based on a kind of hardware structure diagram of the apparatus for processing audio place module of kvm system, except the CPU shown in Fig. 6, storer, in embodiment, the module at device place can also comprise other hardware usually.
Please refer to Fig. 7, is the structural representation of the apparatus for processing audio based on kvm system in the application's embodiment.Should comprise based on the apparatus for processing audio of kvm system: receiving element 701, generation unit 702 and transmitting element 703, wherein:
Receiving element 701, for receiving the first sound signal that mainboard sends;
Generation unit 702, for being converted to the second sound signal by described first sound signal;
Transmitting element 703, for sending described second sound signal to KVM client device, exports sound to make described KVM client device according to described second sound signal.
Further, described transmitting element 703, specifically for when described audio processing modules is connected with baseboard management controller BMC, sends described second sound signal to described BMC, send to described KVM client device to make described BMC to after described second audio-frequency signal coding.
Further, described transmitting element 703, specifically for when described audio processing modules is arranged in baseboard management controller BMC, sends to described KVM client device by described second sound signal after described BMC coding.
The embodiment of the apparatus for processing audio based on kvm system shown in above-mentioned Fig. 7 can be applied on audio processing modules in the server, and its specific implementation process see the explanation of preceding method embodiment, can not repeat them here.
Please refer to Fig. 8-1, is the structural representation of the apparatus for processing audio based on kvm system in another embodiment of the application.Should comprise based on the apparatus for processing audio of kvm system: receiving element 801, coding unit 802 and transmitting element 803, wherein:
Receiving element 801, for receiving the audio file that mainboard sends;
Coding unit 802, for encoding to described audio file;
Transmitting element 803, for sending the audio file after described coding to KVM client device, exports sound to make described KVM client device according to the audio file after described coding.
Please refer to Fig. 8-2, is the structural representation of the apparatus for processing audio based on kvm system in another embodiment of the application.Based on the apparatus for processing audio of kvm system on the basis of Fig. 8-1, also should comprise: detecting unit 804 and acquiring unit 805, wherein:
Detecting unit 804, for detecting whether presence server fault;
Acquiring unit 805, for when there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure;
Described coding unit 802, specifically for encoding to the alerting tone frequency file obtained;
Described transmitting element 803, specifically for sending the alerting tone frequency file after coding to described KVM client device, to make described KVM client device according to the alerting tone frequency file outputting alarm sound after described coding.
The embodiment of the apparatus for processing audio based on kvm system that above-mentioned Fig. 8-1 and Fig. 8-2 illustrates can be applied on BMC in the server, and its specific implementation process see the explanation of preceding method embodiment, can not repeat them here.
Present invention also provides the embodiment of server, from server side, the audio processing process based on kvm system is described.
Please refer to Fig. 9-1 and Fig. 9-2, be the embodiment schematic diagram of the application's server, this server comprises mainboard 91, audio processing modules 92 and baseboard management controller BMC93, wherein:
Described mainboard 91, for sending the first sound signal;
Described audio processing modules 92, for receiving described first sound signal, and is converted to the second sound signal by described first sound signal;
Described BMC93, for sending to described KVM client device by after described second audio-frequency signal coding, exports sound to make described KVM client device according to the second sound signal after coding.
Further, described audio processing modules 92 is connected with described BMC93; Or described audio processing modules 92 is arranged in described BMC93.
Further, described mainboard 91, specifically for detecting whether presence server fault; When there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure; The first alarm sound signal is exported by playing the alerting tone frequency file obtained;
Described audio processing modules 92, specifically for receiving described first alarm sound signal, and is converted to the second alarm sound signal by described first alarm sound signal;
Described BMC93, specifically for sending to described KVM client device by after described second alarm audio-frequency signal coding, to make described KVM client device according to the second alarm sound signal outputting alarm sound after coding.
The server that above-mentioned Fig. 9-1 and Fig. 9-2 illustrates is the server example comprising audio processing modules, its specific implementation process can see the explanation of the embodiment of the method for aforementioned audio processing module side, wherein, the process of alerting tone can see the explanation of BMC side alerting tone processing procedure, difference is only that the alerting tone frequency file of server in the present embodiment is preserved in the motherboard, after detecting server failure by mainboard, play alerting tone frequency file and export the first alarm sound signal, the first alarm sound signal is transmitted by audio processing modules, concrete processing procedure does not repeat them here.
See Figure 10, be another embodiment schematic diagram of the application's server, this server comprises mainboard 101 and baseboard management controller BMC102, wherein:
Described mainboard 101, for sending audio file;
Described BMC102, for receiving described audio file, sending to described KVM client device, exporting sound to make described KVM client device according to the audio file after coding after to described audio file coding.
Further, described mainboard 101, specifically for detecting whether presence server fault; When there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure; Send the alerting tone frequency file obtained;
Described BMC102, specifically for receiving the alerting tone frequency file obtained, sends to described KVM client device, to make described KVM client device according to the alerting tone frequency file outputting alarm sound after coding after to the alerting tone frequency file coding obtained.
Above-mentioned Figure 10 illustrates a kind of embodiment of server, its specific implementation process can see the explanation of the embodiment of the method for aforementioned BMC side, wherein, the difference of alerting tone process is only that the alerting tone frequency file of server in the present embodiment is preserved in the motherboard, after detecting server failure by mainboard, alerting tone frequency file is sent to KVM client device by BMC, and concrete processing procedure does not repeat them here.
As can be seen from the embodiment of above method, device and server, the application is by increasing audio transmission channel in the server, sound signal in server is sent to KVM client device, to realize the sound signal on KVM client device in Play Server, solve KVM client in prior art and can only see that video pictures cannot the defect of sensing audio, managerial personnel are enable to obtain the information of server more intuitively, to the management of server and operation.Especially, when server failure, managerial personnel, without the need to watching video in real time, also can pass through alarm sound signal Timeliness coverage failure message, thus rapidly removing faults of taking the necessary measures, ensure the normal operation of system.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, within all spirit in the application and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the application protects.

Claims (15)

1. based on an audio-frequency processing method for keyboard-video-mouse kvm system, it is characterized in that, the method is applied on the audio processing modules in server, comprising:
Receive the first sound signal that mainboard sends;
Described first sound signal is converted to the second sound signal;
Send described second sound signal to KVM client device, export sound to make described KVM client device according to described second sound signal.
2. the method for claim 1, is characterized in that:
Described audio processing modules is connected with baseboard management controller BMC;
Described to described second sound signal of KVM client device transmission, be specially:
Send described second sound signal to described BMC, send to described KVM client device to make described BMC to after described second audio-frequency signal coding.
3. the method for claim 1, is characterized in that:
Described audio processing modules is arranged in baseboard management controller BMC;
Described to described second sound signal of KVM client device transmission, be specially:
Described second sound signal is sent to described KVM client device after described BMC coding.
4. based on an audio-frequency processing method for keyboard-video-mouse kvm system, it is characterized in that, the method is applied on the baseboard management controller BMC in server, comprising:
Receive the audio file that mainboard sends;
Described audio file is encoded;
Send the audio file after coding to KVM client device, export sound to make described KVM client device according to the audio file after described coding.
5. method as claimed in claim 4, it is characterized in that, described method also comprises:
Detect whether presence server fault;
When there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure;
To the alerting tone frequency file coding obtained;
The alerting tone frequency file after coding is sent, to make described KVM client device according to the alerting tone frequency file outputting alarm sound after described coding to described KVM client device.
6. based on an apparatus for processing audio for keyboard-video-mouse kvm system, it is characterized in that, on the audio processing modules of this application of installation in server, comprising:
Receiving element, for receiving the first sound signal that mainboard sends;
Generation unit, for being converted to the second sound signal by described first sound signal;
Transmitting element, for sending described second sound signal to KVM client device, exports sound to make described KVM client device according to described second sound signal.
7. device as claimed in claim 6, is characterized in that:
Described transmitting element, specifically for when described audio processing modules is connected with baseboard management controller BMC, sends described second sound signal to described BMC, sends to described KVM client device to make described BMC to after described second audio-frequency signal coding.
8. device as claimed in claim 6, is characterized in that:
Described transmitting element, specifically for when described audio processing modules is arranged in baseboard management controller BMC, sends to described KVM client device by described second sound signal after described BMC coding.
9. based on an apparatus for processing audio for keyboard-video-mouse kvm system, it is characterized in that, on the baseboard management controller BMC of this application of installation in server, comprising:
Receiving element, for receiving the audio file that mainboard sends;
Coding unit, for encoding to described audio file;
Transmitting element, for sending the audio file after coding to KVM client device, exports sound to make described KVM client device according to the audio file after described coding.
10. device as claimed in claim 9, it is characterized in that, described device also comprises:
Detecting unit, for detecting whether presence server fault;
Acquiring unit, for when there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure;
Described coding unit, specifically for encoding to the alerting tone frequency file obtained;
Described transmitting element, specifically for sending the alerting tone frequency file after coding to described KVM client device, to make described KVM client device according to the alerting tone frequency file outputting alarm sound after described coding.
11. 1 kinds of servers, is characterized in that, this server comprises mainboard, audio processing modules and baseboard management controller BMC, wherein:
Described mainboard, for sending the first sound signal;
Described audio processing modules, for receiving described first sound signal, and is converted to the second sound signal by described first sound signal;
Described BMC, for sending to described KVM client device by after described second audio-frequency signal coding, exports sound to make described KVM client device according to the second sound signal after coding.
12. servers as claimed in claim 11, is characterized in that:
Described audio processing modules is connected with described BMC;
Or,
Described audio processing modules is arranged in described BMC.
13. servers as claimed in claim 11, is characterized in that:
Described mainboard, specifically for detecting whether presence server fault; When there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure; The first alarm sound signal is exported by playing the alerting tone frequency file obtained;
Described audio processing modules, specifically for receiving described first alarm sound signal, and is converted to the second alarm sound signal by described first alarm sound signal;
Described BMC, specifically for sending to described KVM client device by after described second alarm audio-frequency signal coding, to make described KVM client device according to the second alarm sound signal outputting alarm sound after coding.
14. 1 kinds of servers, is characterized in that, this server comprises mainboard and baseboard management controller BMC, wherein:
Described mainboard, for sending audio file;
Described BMC, for receiving described audio file, sending to described KVM client device, exporting sound to make described KVM client device according to the audio file after coding after to described audio file coding.
15. servers as claimed in claim 14, is characterized in that:
Described mainboard, specifically for detecting whether presence server fault; When there is described server failure, according to type or the local alerting tone frequency file preserved of rank acquisition of described server failure; Send the alerting tone frequency file obtained;
Described BMC, specifically for receiving the alerting tone frequency file obtained, sends to described KVM client device, to make described KVM client device according to the alerting tone frequency file outputting alarm sound after coding after to the alerting tone frequency file coding obtained.
CN201410821419.3A 2014-12-24 2014-12-24 Audio processing method and device based on KVM system, and server Pending CN104503727A (en)

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