CN105282478A - Volume regulating method and device and multipoint control unit - Google Patents
Volume regulating method and device and multipoint control unit Download PDFInfo
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- CN105282478A CN105282478A CN201410240171.1A CN201410240171A CN105282478A CN 105282478 A CN105282478 A CN 105282478A CN 201410240171 A CN201410240171 A CN 201410240171A CN 105282478 A CN105282478 A CN 105282478A
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- code stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
Abstract
The invention discloses a volume regulating method and device and a multipoint control unit. The method comprises the steps that when the multipoint control unit receives audio code streams transmitted by conference participating terminals in the video conference process, the multipoint control unit regulates volume of the audio code streams to a preset value; and the multipoint control unit transmits the audio code streams of which volume is regulated to receiving ends of the audio code streams in a video conference.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of volume adjusting method and device, multipoint control unit.
Background technology
Along with the development of Internet technology, increasing domestic consumer brings into use video conference to link up, thus has higher requirement to the ease for use of video conferencing system.
Video conference refers to and utilizes TV and special equipment, by communication network transmission audio-video code stream, the meeting room in the two or more places in different location is coupled together, holds real-time, two-way and visual meeting in the mode of TV.In a particular application, critical effect is played in the process that audio frequency and video are held at video conferencing.Usually, the encode sound size of terminal is by audio collecting device, audio coding apparatus, spokesman's sound size and meeting-place such environmental effects, and comparison in difference is large.When meeting starts, the user in each meeting-place by voice output size adjustment current for meeting to a proper value.But, when meeting-place of making a speech changes, because the volume of input terminal changes, thus the output volume size causing each meeting-place current now to be heard is improper, otherwise too large, otherwise too little, need the volume that participant's manual adjustments audio frequency exports, very inconvenient.
For in correlation technique in video conference process, audio frequency export the inappropriate problem of volume, at present effective solution is not yet proposed.
Summary of the invention
For in correlation technique in video conference process, audio frequency export the inappropriate problem of volume, the invention provides a kind of volume adjusting method and device, multipoint control unit and multiparty control video conferencing system, at least to solve the problem.
According to an aspect of the present invention, provide a kind of volume adjusting method, comprising: multipoint control unit when receiving the audio code stream that participant terminal in video conference process sends, by the volume adjusting of described audio code stream to predetermined value; Described audio code stream after volume adjusting is sent to the earphone of audio code stream described in described video conference by described multipoint control unit.
Alternatively, described multipoint control unit is by before the volume adjusting of described audio code stream to predetermined value, and described method also comprises: described multipoint control unit obtains the volume value of described audio code stream; Described multipoint control unit is determined to need to regulate the volume of described audio code stream according to described volume value.
Alternatively, determine to need to regulate the volume of described audio code stream according to described volume value, comprise: described multipoint control unit judges whether described volume value is positioned at the threshold interval pre-set, if not, then determine to need to regulate the volume of described audio code stream.
Alternatively, before by the volume adjusting of described audio code stream to predetermined value, described method also comprises: described multipoint control unit judges that described audio code stream is as the audio code stream needing to judge volume.
Alternatively, judge that described audio code stream is as the audio code stream needing to judge volume, comprising: described multipoint control unit determines that described audio code stream is the audio code stream that the current participant terminal of making a speech of described video conference sends.
Alternatively, the current participant terminal of making a speech of described video conference is multiple.
Alternatively, before by the volume adjusting of described audio code stream to predetermined value, described method also comprises: described multipoint control unit carries out stereo process to needing the audio code stream judging volume.
Alternatively, by the volume adjusting of described audio code stream to predetermined value, comprising: described multipoint control unit is described predetermined value according to volume, carries out recompile to described audio code stream.
According to another aspect of the present invention, provide a kind of volume adjustment device, comprising: volume adjusting module, for the volume adjusting of audio code stream that participant terminal in video conference process is sent to predetermined value; Dio Output Modules, listens to terminal for what the described audio code stream after volume adjusting is sent to audio code stream described in described video conference.
Alternatively, described device also comprises: audio frequency receiver module, for the described audio code stream that participant terminal described in receiver, video conference process sends; Volume judge module, for obtaining the volume value of described audio code stream, judging whether to need to regulate the volume of described audio code stream according to described volume value, if needed, then triggering described volume adjusting module.
Alternatively, described device also comprises: code stream judge module, for judging whether described audio code stream is the audio code stream needing to judge volume, when judged result is for being, triggers described audio frequency adjustment module.
According to a further aspect of the invention, provide a kind of multipoint control unit, comprise above-mentioned volume adjustment device.
According to a further aspect of the invention, a kind of multiparty control video conferencing system is provided, comprises above-mentioned multipoint control unit.
Pass through the present invention, in video conference process, multipoint control unit (MultipointControlUnit, the volume adjusting of the audio code stream MCU) participant terminal exported is to predetermined value, then the audio code stream after adjustment is sent to each participant terminal, solve in correlation technique in video conference process, the volume that audio frequency exports is improper and cause the problem of poor user experience, improves the ease for use of video conferencing system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the volume adjustment device according to the embodiment of the present invention;
Fig. 2 is the structural representation of the multipoint control unit according to the embodiment of the present invention;
Fig. 3 is the structural representation of the multiparty control video conferencing system according to the embodiment of the present invention;
Fig. 4 is the flow chart of the volume adjusting method according to the embodiment of the present invention;
Fig. 5 is the volume adjusting flow chart in embodiment one;
Fig. 6 is the volume adjusting flow chart in embodiment two;
Fig. 7 is the volume adjusting flow chart in embodiment three.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
For the problems referred to above existed in correlation technique, embodiments provide a kind of volume adjustment device, for regulating the volume of the audio frequency in video conference.
Fig. 1 is the structural representation of the volume adjustment device according to the embodiment of the present invention, and as shown in Figure 1, this device mainly comprises: volume adjusting module 120, for the volume adjusting of audio code stream that participant terminal in video conference sent to predetermined value; Dio Output Modules 130, is connected with volume adjusting module 120, for the described audio code stream after volume adjusting being sent to the earphone of audio code stream described in video conference.
Wherein, the earphone of described audio code stream can be the equipment such as all terminals of participant, the figure entablement of video conferencing system, the web monitoring of video conferencing system, and the concrete embodiment of the present invention is not construed as limiting.
Alternatively, as shown in Figure 1, this device can also comprise: audio frequency receiver module 100, for the described audio code stream that participant terminal in receiver, video conference process sends; Volume judge module 110, is connected with audio frequency receiver module 100, for obtaining the volume value of described audio code stream, judging whether to need to regulate the volume of described audio code stream, if needed, then trigger described audio frequency adjustment module according to described volume value.
In specific implementation process, if volume judge module 110 judges not need the volume to described audio code stream to regulate, then the described audio code stream that described dio Output Modules 130 does not carry out volume adjusting sends to participant terminal.
Alternatively, it is described predetermined value that volume adjusting module 120 can adopt according to volume, and the mode of carrying out recompile to described audio code stream regulates the volume of described audio code stream.
Alternatively, volume judge module 110, can by judging whether described volume value is positioned at the threshold interval pre-set and judges whether to need to regulate the volume of described audio code stream when judging.Alternatively, acceptable volume value scope (i.e. threshold interval) can be pre-set, if the threshold interval that volume value is not pre-setting, then determine to need to regulate the volume of described audio code stream, otherwise, then do not need to regulate the volume of described audio code stream.Such as, if the threshold interval pre-set is 36-55, if the volume of audio code stream falls in this interval range, then do not need to regulate the volume of audio code stream, otherwise, if volume value is less than 36, then illustrate that volume is too low, if be greater than 55, then the height that gives great volume be described, all need to regulate the volume of audio code stream.
Alternatively, described device can also comprise: code stream judge module, for judging whether the described audio code stream received is the audio code stream needing to judge volume, when judged result is for being, triggers described audio frequency adjustment module 120.Such as, code stream judge module can by judging whether the audio code stream that audio frequency receiver module 100 receives is that the audio code stream that the current participant terminal of making a speech of video conference sends determines whether this audio code stream is the audio code stream needing to judge volume.
In specific implementation process, the current participant terminal of making a speech of video conference can be one, also can be multiple.
In specific implementation process, said apparatus can be positioned at the multipoint control unit of server end, also the terminal inner for realizing multipoint control unit can be positioned at, it can be directly be embedded into multipoint control unit inside, also can be to separate an independent module acted on multipoint control unit.
Therefore, according to the embodiment of the present invention, additionally provide a kind of multipoint control unit.
Fig. 2 is the structural representation of the multipoint control unit according to the embodiment of the present invention, and as shown in Figure 2, this multipoint control unit comprises above-mentioned volume adjustment device.
In embodiments of the present invention, sound volume judge module is comprised in multipoint control unit, volume adjusting module, by sending to the audio code stream of multipoint control unit to terminal, the process of volume Central Regulation is carried out in multipoint control unit side, audio code stream after regulating is sent to all terminals of participant, the figure entablement of video conferencing system, the equipment such as the web monitoring of video conferencing system, Primary regulation both can ensure that the volume of the audio code stream that all equipment accepting audio code stream receives in meeting there will not be larger fluctuation, thus promote whole structure and the ease for use of conference audio.
In embodiments of the present invention, the volume of multipoint control unit to the speech terminal of active conference carries out adjustment process can be also can be before audio mixing after audio mixing.The step of speech terminal being carried out to audio frequency adjustment just can receive code stream just process, and also can carry out audio mixing at the code stream of multipoint control unit to speech terminal and complete reprocessing, concrete selection strategy is determined according to actual conditions.
According to the embodiment of the present invention, additionally provide a kind of multiparty control video conferencing system.
Fig. 3 is the structural representation of the multiparty control video conferencing system according to the embodiment of the present invention, and as shown in Figure 3, this system comprises the multipoint control unit shown in Fig. 2.This multipoint control unit is responsible for the audio/video flow of the speech terminal in video conference to send to listen to terminal, and regulates according to the volume of foregoing description to audio code stream.
According to the embodiment of the present invention, additionally provide a kind of volume adjusting method, the method can be realized by said apparatus, multipoint control unit and multiparty control conference system.
Fig. 4 is the flow chart of the volume adjusting method according to the embodiment of the present invention, as shown in Figure 4, mainly comprises the following steps:
Step S400, multipoint control unit when receiving the audio code stream that participant terminal in video conference process sends, by the volume adjusting of described audio code stream to predetermined value.
Alternatively, before by the volume adjusting of audio code stream point predetermined value, in order to avoid unnecessary volume adjusting, multipoint control unit can obtain the volume value of described audio code stream, then judge whether to need to regulate the volume of this audio stream according to this volume value, if determined, then by the volume adjusting of described audio code stream to predetermined value.
Alternatively, the acceptable threshold interval of volume can being pre-set, then when judging whether to need to regulate the volume of this audio stream, judging whether described volume value is positioned at the threshold interval pre-set, if not, then determine to need to regulate the volume of described audio code stream.
Alternatively, by the volume adjusting of described audio code stream to predetermined value time, can be described predetermined value according to volume, recompile is carried out to described audio code stream.
In an Alternate embodiments of the embodiment of the present invention, do not need to regulate the volume of all audio code streams that multipoint control unit receives, therefore, in order to avoid unnecessary adjustment, at the volume adjusting of described audio code stream to before predetermined value, the method can also comprise: judge whether described audio code stream is the audio code stream needing to judge volume, if so, then regulates the volume of audio code stream.Such as, can judge whether described audio code stream is the audio code stream that the current participant terminal of making a speech of described video conference sends, and if so, then determine that described audio code stream is the audio code stream needing to judge volume, the volume of audio code stream regulates.In specific implementation process, current participant terminal of making a speech can be one, also can be multiple.
In the specific implementation process of the embodiment of the present invention, the volume of audio code stream is carried out adjustment and can be performed before stereo process, also can perform after stereo process.Alternatively, after judging that described audio code stream is the audio code stream needing to judge volume, the method can also comprise: carry out stereo process to needing the audio code stream judging volume.
Step S402, the described audio code stream after volume adjusting is sent to the earphone of audio code stream described in described video conference by multipoint control unit.
Pass through said method, audio code stream terminal being sent to unit carries out the process of volume Central Regulation, audio code stream after regulating is sent to the equipment such as the figure entablement of all terminals of participant, video conferencing system, the web monitoring of video conferencing system, Primary regulation both can ensure that the volume of the audio code stream that all equipment accepting audio code stream receives in meeting there will not be and stir more greatly, thus promoted whole structure and the ease for use of conference audio.
Below to be adjusted to example in the volume of multipoint control unit to audio code stream, be described by the technical scheme specifically implemented the embodiment of the present invention provides.
Embodiment one
In the present embodiment, multipoint control unit can be positioned at server end, also can be positioned at terminal inner, and this multipoint control unit comprises device as shown in Figure 1.
Fig. 5 is the flow chart of volume adjusting in the present embodiment, as shown in Figure 5, mainly comprises the following steps:
Step S501, Meeting Held success, the audio code stream after coding is sent to multipoint control unit by each terminal, and follow-up multipoint control unit processes the audio frequency received.
Step S502, the audio code stream that the audio frequency receiver module receiving terminal of multipoint control unit is sent.
Step S503, the audio frequency judge module of multipoint control unit, judges whether audio code stream is the audio code stream needing to judge volume, if so, then performs step S504, otherwise perform step S506, audio code stream is sent to participant terminal, flow process terminates.
Wherein, needing the audio code stream being judged volume can be the code stream of the current some terminals of making a speech of meeting, also can be the audio frequency after the audio mixing of the several speech terminal of active conference.
Step S504, obtains the volume value of this road audio code stream, and judges that the volume of this road audio code stream is the need of adjustment, if so, then performs step S505, otherwise performs step S506.
Step S505, this road audio code stream is adjusted to a suitable volume by the volume adjusting module of multipoint control unit.
Step S506, audio code stream is sent to participant terminal, flow process terminates.
Embodiment two
Fig. 6 is the flow chart of the volume adjusting in the present embodiment, as shown in Figure 6, mainly comprises the following steps:
Step S601, holds multiparty control meeting, and the audio frequency receiver module of multipoint control unit receives the audio code stream that all terminals of participant send over.
In the present embodiment, the position of multipoint control unit can be positioned at server end, also the terminal inner serving as multipoint control unit can be positioned at, the controlling functions of multipoint control unit can be directly be embedded into multipoint control unit inside, also can be to separate an independent module acted on multipoint control unit.
Step S602, the volume judge module of multipoint control unit finds the speech terminal of active conference, and the speech terminal of active conference can be some terminals, also can be multiple terminal.
Step S603, judges that the volume adjusting process of active conference speech terminal is in audio mixing pre-treatment, or audio mixing reprocessing.The step of speech terminal being carried out to audio frequency adjustment just can receive code stream just process, and also can carry out audio mixing at the code stream of multipoint control unit to speech terminal and complete reprocessing, concrete selection strategy is determined according to actual conditions.
Step S604, if audio mixing reprocessing, now first active conference the made a speech audio frequency of terminal of multipoint control unit carries out stereo process.
Step S605, if audio mixing pre-treatment, the volume judge module of multipoint control unit performs the operation identifying volume.
Step S606, the volume that multipoint control unit identifies according to step S605, judges that this audio frequency is the need of carrying out volume adjusting.If do not need to carry out volume adjusting to this audio frequency, directly enter step S608, flow process terminates.
Step S607, if need to regulate audio frequency, the volume adjusting module of multipoint control unit then carries out volume adjusting to this audio frequency.
Step S608, flow process terminates.
Embodiment three
Fig. 7 is the flow chart judging audio volume in the present embodiment and regulate.In the present embodiment, hold in process for multipoint conference, carry out judging to regulate being described of a specific embodiment of flow process to audio volume in multipoint control unit side.In specific implementation process, also can there is other numerous embodiments, such as in multipoint control unit, realize the adjustment to audio frequency by hardware technology.
As shown in Figure 7, in the present embodiment, audio volume is regulated and mainly comprises the following steps:
Step S701, starts and judges that code stream is the need of carrying out volume adjusting flow process.
Step S702, obtains the proper volume reference value in the conference process preset.
The determination of proper volume reference value can have multiple, includes but are not limited to the volume of first speech terminal in meeting as the reference value etc. having had experience to choose with reference to value, basis.Proper volume reference value also can be a scope.
Step S703, by the method for decoding to the code stream be currently received, obtains the volume value of current code stream.
Step S704, compares judgement by the volume value that the volume value of current code stream and meeting are preset, if in the volume range that meeting is preset, does not then need to regulate volume, directly enters step S706, process ends.If exceed default volume range, then need to regulate volume, perform step S705.
Step S705, according to new volume value, the mode of original code stream being carried out to recompile regulates volume.
Step S706, flow process terminates.
From above description, can find out, the embodiment of the present invention achieves following technique effect: in video conference process, obtain the volume value of the audio code stream that terminal sends, judge whether to need to carry out volume adjusting to audio code stream according to this volume value, if needed, then by the volume adjusting of audio code stream to predetermined value, then the audio code stream after adjustment is sent to each participant terminal, solve in correlation technique in video conference process, the volume that audio frequency exports is improper and cause the problem of poor user experience.And, in embodiments of the present invention, by regulating audio volume at multipoint control unit, to the equipment such as any terminal, remote web supervisory control system, figure entablement can be real-time automatic output volume to be regulated, participate in without the need to terminal, just can realize any producer, effect that the equipment such as terminal, remote web supervisory control system, figure entablement of model all can enjoy audio frequency automatic regulation function, the method has that performance consumption is little, the advantage of highly versatile, improves the ease for use of video conferencing system greatly.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a volume adjusting method, is characterized in that, comprising:
Multipoint control unit when receiving the audio code stream that participant terminal in video conference process sends, by the volume adjusting of described audio code stream to predetermined value;
Described audio code stream after volume adjusting is sent to the earphone of audio code stream described in described video conference by described multipoint control unit.
2. method according to claim 1, is characterized in that, described multipoint control unit is by before the volume adjusting of described audio code stream to predetermined value, and described method also comprises:
Described multipoint control unit obtains the volume value of described audio code stream;
Described multipoint control unit is determined to need to regulate the volume of described audio code stream according to described volume value.
3. method according to claim 2, it is characterized in that, determine to need to regulate the volume of described audio code stream according to described volume value, comprise: described multipoint control unit judges whether described volume value is positioned at the threshold interval pre-set, if not, then determine to need to regulate the volume of described audio code stream.
4. method according to claim 1, is characterized in that, before by the volume adjusting of described audio code stream to predetermined value, described method also comprises:
Described multipoint control unit judges that described audio code stream is as the audio code stream needing to judge volume.
5. method according to claim 4, it is characterized in that, judge that described audio code stream is as the audio code stream needing to judge volume, comprising: described multipoint control unit determines that described audio code stream is the audio code stream that the current participant terminal of making a speech of described video conference sends.
6. method according to claim 5, is characterized in that, the current participant terminal of making a speech of described video conference is multiple.
7. method according to claim 2, is characterized in that, before by the volume adjusting of described audio code stream to predetermined value, described method also comprises: described multipoint control unit carries out stereo process to needing the audio code stream judging volume.
8. method according to any one of claim 1 to 7, is characterized in that, by the volume adjusting of described audio code stream to predetermined value, comprising: described multipoint control unit is described predetermined value according to volume, carries out recompile to described audio code stream.
9. a volume adjustment device, is characterized in that, comprising:
Volume adjusting module, for the volume adjusting of audio code stream that participant terminal in video conference process sent to predetermined value;
Dio Output Modules, listens to terminal for what the described audio code stream after volume adjusting is sent to audio code stream described in described video conference.
10. device according to claim 9, is characterized in that, described device also comprises:
Audio frequency receiver module, for the described audio code stream that participant terminal described in receiver, video conference process sends;
Volume judge module, for obtaining the volume value of described audio code stream, judging whether to need to regulate the volume of described audio code stream according to described volume value, if needed, then triggering described volume adjusting module.
11. devices according to claim 9, it is characterized in that, described device also comprises: code stream judge module, for judging whether described audio code stream is the audio code stream needing to judge volume, when judged result is for being, trigger described audio frequency adjustment module.
12. 1 kinds of multipoint control units, is characterized in that, comprise the device according to any one of claim 9 to 11.
13. 1 kinds of multiparty control video conferencing systems, is characterized in that, comprise multipoint control unit according to claim 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240171.1A CN105282478A (en) | 2014-05-30 | 2014-05-30 | Volume regulating method and device and multipoint control unit |
| PCT/CN2014/087352 WO2015180330A1 (en) | 2014-05-30 | 2014-09-24 | Volume adjustment method and device, and multipoint control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240171.1A CN105282478A (en) | 2014-05-30 | 2014-05-30 | Volume regulating method and device and multipoint control unit |
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| CN105282478A true CN105282478A (en) | 2016-01-27 |
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| CN201410240171.1A Pending CN105282478A (en) | 2014-05-30 | 2014-05-30 | Volume regulating method and device and multipoint control unit |
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| WO (1) | WO2015180330A1 (en) |
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| CN111277784A (en) * | 2018-12-05 | 2020-06-12 | 中兴通讯股份有限公司 | Volume automatic control method, device, terminal and readable storage medium |
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| WO2015180330A1 (en) | 2015-12-03 |
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