CN107404742A - A kind of method that audio quality is dynamically adjusted under mobile network - Google Patents
A kind of method that audio quality is dynamically adjusted under mobile network Download PDFInfo
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- CN107404742A CN107404742A CN201610332567.8A CN201610332567A CN107404742A CN 107404742 A CN107404742 A CN 107404742A CN 201610332567 A CN201610332567 A CN 201610332567A CN 107404742 A CN107404742 A CN 107404742A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of method that audio quality is dynamically adjusted under mobile network, it is characterised in that comprises the following steps：(1) terminal player periodically obtains and handles current network and Link Quality Index；(2) terminal player is made whether to switch the judgement of broadcast source；(3) terminal player and server interaction, audio-source switching is completed.The present invention for network quality monitor and adjudicate in real time, selects the audio stream speed of most suitable current network, takes into account the fluency and tonequality of audio stream broadcasting, can lift Consumer's Experience.
Description
Technical field：
The technical field of this programme is that the audio on mobile terminal is online live and play.When terminal is in mobile context
Under, because wireless network environment changes, when causing the actual bearer ability of network data link to change, on mobile terminal
Processing scheme of the online audio player to such a situation.
Technical background：
Existing online audio player, tonequality setting is carried out by user, it is currently WIFI network that the foundation of setting, which is,
Or mobile wireless network.After user is selected, that is, play the audio stream of fixed rate.Fig. 1 is sound common under prior art
Matter setting options.
Existing mobile terminal streaming audio playing software, wireless network is divided into two kinds of WIFI and mobile wireless network
Type.When terminal network is WIFI network, there is provided the audio stream of high quality.When terminal network is mobile wireless network, carry
For the audio stream of low rate.
With the lifting of current mobile wireless network speed, the network coverage and the adjustment of network rate and perfect, user
Online audio broadcasting is carried out under mobile context using mobile wireless network increasingly to popularize.Prior art is primarily present following lack
Point：
1. the audio stream that prior art provides low rate under mobile network plays online.And mobile network data is held at present
Loading capability is substantially improved, and can carry the audio stream of higher rate.
2. prior art takes fixed rate audio stream broadcasting after selected network type.And actual conditions often by
Moved in customer location, air interference etc. causes the change of wireless network data actual bearer ability.Fixed rate audio stream is broadcast
The challenge that mobile network's actual bearer ability real-time change is brought can not be adapted to by putting.
In summary 2 points, prior art can not both make full use of mobile network's bearing capacity, can not also adapt to network and hold
The real-time change of loading capability.The flexible selection and compromise of fluency and tonequality can not be realized so as to cause online audio to play, no
Beneficial to Consumer's Experience.
Brief description of the drawings：
Fig. 1 is tonequality setting options figure common under prior art.
Fig. 2 is the method flow diagram that audio quality is dynamically adjusted under the mobile network of the present invention.
The content of the invention：
The present invention provides a kind of method that audio quality is dynamically adjusted under mobile network, it is characterised in that including following step
Suddenly：(1) terminal player periodically obtains and handles current network and Link Quality Index；(2) terminal player enters
Whether row switches the judgement of broadcast source；(3) terminal player and server interaction, audio-source switching is completed.
Preferably,
The present invention also provides a kind of method that audio quality is dynamically adjusted under mobile network, it is characterised in that including as follows
Step：(1) terminal player periodically obtains signal intensity；(2) terminal player is made whether to switch broadcast source
Judgement；(3) terminal player and server interaction, audio-source switching is completed.
Compared with prior art, the present invention can adapt to the shadow that wireless network change plays to online audio under mobile context
Ring, select the audio stream speed of most suitable current network conditions, take into account the fluency and tonequality of audio stream broadcasting, can be lifted
Consumer's Experience.
First, it is WIFI or mobile network that prior art, which only monitors current network,.When monitoring that terminal uses mobile network
After network, played only with fixed rate.And the bearing capacity of current mobile network is totally different, in different radio access technologies (Radio
Access Technology, RAT) in the case of, actual data rate difference is very big.Being played using fixed rate to fill
Divide the performance using user mobile network, cannot guarantee that the smooth playing of audio.And it is of the invention, take into full account different radio
Access technology RAT bearing capacity, and when wireless access technology RAT changes bearing capacity change, and based on this choosing
Suitable audio-source is selected, audio-source is adapted with the network carrying, smoothness and tonequality that online audio plays can be taken into account.
Secondly, prior art does not also take into account mobile context.When user is in mobile status, change of network environment meeting
Cause the change of network carrying ability.When network is deteriorated, can still cause to play interim card using fixed rate；When network improves
When, fixed rate plays the result of broadcast that can not provide the user with more high tone quality.And the step 1 and step 2 of this programme are fully examined
The influence of mobile context is considered, online audio can be made to play adaptively adaptation network bearing capacity and changed.
Finally, the step 3 of this programme also proposed a kind of specific switching method of seamless switching audio stream, experience user
Switch the influence to playing fluency less than audio-source.
The present invention also provides a kind of method that audio quality is dynamically adjusted under mobile network, it is characterised in that including as follows
Step：(1) terminal player periodically obtains wireless access technology RAT changes；(2) terminal player is made whether to cut
Change the judgement of broadcast source；(3) terminal player and server interaction, audio-source switching is completed.
Embodiment：
When terminal is under mobile context, due to the change of wireless network environment, cause network data link bearing capacity
During change, by audio client end of playing back real time monitoring network situation, and decide whether to carry out the switching of audio stream, and be switched to
The audio stream of which kind of speed.This programme for network quality monitor and adjudicate in real time, selects most suitable current network
Audio stream speed, the fluency and tonequality of audio stream broadcasting are taken into account, Consumer's Experience can be lifted.
This programme includes following several key steps：
1. terminal player periodically obtains and handles current network and Link Quality Index.
(1) index that terminal player monitors in real time includes following content：
Wireless access technology RAT (radio access technology) information of serving cell：GPRS/EDGE/
WCDMA/HSDPA/HSUPA/CDMA1x/LTE etc..Different RAT information specifies the data service bearing capacity of current network.
The signal intensity of serving cell：The signal strength indicator of serving cell under different RAT, including RSSI/RSCP/
RSRP etc..The signal intensity of serving cell illustrates the wireless environment of present terminal.
Link-quality LQI under connected state:Link-quality is used to be reflected under data connection state, and the quality of the connection refers to
Mark.
Handling capacity under connected state：Handling capacity illustrates the instantaneous transmission speed of data.
(2) terminal player carries out periodic network quality assessment.Player is obtaining every letter described in (1)
After breath, every terms of information is respectively processed, used for decision algorithm.
Information processing includes：Validity judgement is carried out to the current network index of acquisition, removes exception monitoring value；Preserve each
Monitor the network quality information of time point；Carrying out the appropriate cycle respectively to signal intensity, link-quality and handling capacity is averaged, and removes
High-frequency fluctuation.
2. switch the judgement of broadcast source.After terminal player have evaluated network quality, decision algorithm is run, being made whether will
It is switched to the broadcast source of other tonequality, and the broadcast source of which kind of speed.Variable structure contorl is as follows：
A. when player starts, the RAT information of current service cell is obtained, initial rate is set according to different RAT
Broadcast source.
B. when monitoring serving cell RAT changes, it is switched to the default rate source of the RAT.Player record due to
The time of switching caused by RAT changes.When next switch decision occurs, it is necessary to avoid frequent broadcast source from cutting according to the time
Change.
C. when RAT does not change, signal intensity, link-quality and the instantaneous throughput of cell is monitored, is handled up when instantaneously
When the lasting rising of amount reaches the requirement of high-quality source, judgement is switched to high-quality source；When instantaneous throughput continuous decrease, it is switched to
Low quality source.
3. and server interaction, complete audio-source switching.
After player makes the judgement of switch audio sources, player sends to server and asked, it is desirable to obtains new speed
The audio-source of rate.After the data playback of old audio-source in the buffer is completed, that is, play the new voice data of acquisition.
Real-time link bearing capacity is weighed using the combination of other network indexes or other heterogeneous networks indexs, such as
The signal intensity of serving cell is only used, decides whether carry out source switching with the change of signal intensity.Or just for network
When type RAT changes, a secondary source switching is carried out, the broadcasting of fixed rate audio is maintained for when RAT is constant.
In the case of without departing from the spirit or scope of the present invention, can to the present invention player method carry out it is various modification and
Modification, this is apparent to those skilled in the art.Therefore, appended claims and its equivalent embodiments are fallen into
In the range of these modifications and variations of the invention it is all within the scope of the present invention.
Claims (9)
1. the method for audio quality is dynamically adjusted under a kind of mobile network, it is characterised in that comprise the following steps：
(1) terminal player periodically obtains and handles current network and Link Quality Index；
(2) terminal player is made whether to switch the judgement of broadcast source；
(3) terminal player and server interaction, audio-source switching is completed.
2. the method as described in claim 1, further, the network and Link Quality Index include following content：Service
Wireless access technology RAT (radio access technology) information of cell, the signal intensity of serving cell, connected state
Under link-quality LQI and connected state under handling capacity.
3. method as claimed in claim 2, further, the terminal player are right after every index is obtained
Indices are respectively processed, and are used for decision algorithm.
4. method as claimed in claim 3, further, it is described indices are respectively processed including：To acquisition
Current network index carries out validity judgement, removes exception monitoring value；Preserve the network quality information of each monitoring time point；To signal
Intensity, link-quality and handling capacity carry out the cycle and are averaged respectively, remove high-frequency fluctuation.
5. the method as described in any one in Claims 1-4, further, the judgement include：Whether it is switched to
The broadcast source of its tonequality, and the broadcast source of which kind of speed.
6. method as claimed in claim 5, further, the decision steps of the switching broadcast source are as follows：
A. when terminal player starts, current wireless access technology RAT information is obtained, according to different radio access technologies RAT
The broadcast source of initial rate is set；
B. when monitoring serving cell wireless access technology RAT changes, it is switched to wireless access technology RAT default rate
Source；Player is recorded because wireless access technology RAT changes the time of caused switching；When next switch decision occurs,
Need to avoid frequent broadcast source from switching according to the time；
C. when wireless access technology RAT does not change, signal intensity, link-quality and the instantaneous throughput of cell are monitored, when
When instantaneous throughput persistently rises the requirement for reaching high-quality source, judgement is switched to high-quality source；Under instantaneous throughput continues
Drop, is switched to low quality source.
7. the method as described in any one in claim 1 to 6, further, step (3) specifically include：Done in player
After going out the judgement of switch audio sources, player sends to server and asked, it is desirable to obtains the audio-source of new speed；It is old in completion
Audio-source data playback in the buffer after, that is, play the new voice data of acquisition.
8. the method for audio quality is dynamically adjusted under a kind of mobile network, it is characterised in that comprise the following steps：
(1) terminal player periodically obtains signal intensity；
(2) terminal player is made whether to switch the judgement of broadcast source；
(3) terminal player and server interaction, audio-source switching is completed.
9. the method for audio quality is dynamically adjusted under a kind of mobile network, it is characterised in that comprise the following steps：
(1) terminal player periodically obtains wireless access technology RAT changes；
(2) terminal player is made whether to switch the judgement of broadcast source；
(3) terminal player and server interaction, audio-source switching is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610332567.8A CN107404742A (en) | 2016-05-18 | 2016-05-18 | A kind of method that audio quality is dynamically adjusted under mobile network |
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| CN201610332567.8A CN107404742A (en) | 2016-05-18 | 2016-05-18 | A kind of method that audio quality is dynamically adjusted under mobile network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193839A1 (en) * | 2021-03-15 | 2022-09-22 | Oppo广东移动通信有限公司 | Method for switching audio source, bluetooth audio receiving device, audio source device, and playback system |
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| CN101765003A (en) * | 2008-12-23 | 2010-06-30 | 上海茂碧信息科技有限公司 | Method for transmitting audio and video under environment of network with different speeds |
| CN102316491A (en) * | 2010-07-01 | 2012-01-11 | 中国电信股份有限公司 | Method for adjusting media code rate by utilizing mobile terminal and mobile terminal |
| CN102075976A (en) * | 2011-01-11 | 2011-05-25 | 中国联合网络通信集团有限公司 | Mobile stream media player and mobile stream media playing method |
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