CN101931479B - Method and device for playing audio signal - Google Patents
Method and device for playing audio signal Download PDFInfo
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- CN101931479B CN101931479B CN2010102489423A CN201010248942A CN101931479B CN 101931479 B CN101931479 B CN 101931479B CN 2010102489423 A CN2010102489423 A CN 2010102489423A CN 201010248942 A CN201010248942 A CN 201010248942A CN 101931479 B CN101931479 B CN 101931479B
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- audio signal
- rssi
- media stream
- address information
- playing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/26—Arrangements for switching distribution systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
Abstract
The embodiment of the invention provides a method and a device for playing an audio signal. The method comprises the following steps of: playing a first audio signal converted according to a radio broadcast signal; when a received signal strength indicator (RSSI) is less than a first preset threshold value, acquiring address information corresponding to frequency band information of the radio broadcast signal; and playing a second audio signal converted according to media stream, wherein the media stream is acquired according to the address information. When the RSSI is less than the first preset threshold value in a process of playing the first audio signal converted according to the acquired radio broadcast signal through a mobile terminal in the embodiment of the invention, the address information corresponding to the frequency band information of the radio broadcast signal is acquired, so that the mobile terminal can play the second audio signal converted according to the acquired media stream corresponding to the address information. Therefore, the range of the audio signal corresponding to a broadcast program which can be played by the mobile terminal is expanded and the normal operation of the broadcasting service of the mobile terminal is ensured.
Description
Technical field
The embodiment of the invention relates to the communication technology, relates in particular to a kind of player method and device of audio signal.
Background technology
Along with portable terminal constantly develops, so that integrated broadcast capability becomes possibility.Portable terminal obtains radio broadcasting signal by integrated FM chip, plays the audio signal according to above-mentioned radio broadcasting signal conversion.
Because the magnitude setting of radio broadcasting base station is relatively less, the scope of the radio broadcasting signal of its emission generally is merely able to cover city and part small towns, can't cover open-air and high highway, and in the enclosure space below the ground level, radio broadcasting signal also can't arrive, thereby limited the scope of can the broadcasting program broadcast corresponding audio signal of portable terminal, affected normally carrying out of portable terminal broadcasting service.
Summary of the invention
The embodiment of the invention provides a kind of player method and device of audio signal, in order to enlarge the scope of can the broadcasting program broadcast corresponding audio signal of portable terminal, has guaranteed normally carrying out of portable terminal broadcasting service.
The embodiment of the invention provides a kind of player method of audio signal, comprising:
Broadcast is according to the first audio signal of radio broadcasting signal conversion;
When receiving signal strength indication RSSI less than the first threshold that sets in advance, obtain the address information corresponding with the band information of described radio broadcasting signal;
Broadcast is according to the second audio signal of media stream transition, and described Media Stream is for to obtain according to described address information.
The embodiment of the invention also provides a kind of playing device of audio signal, comprising:
The first playing module is used for playing the first audio signal according to the radio broadcasting signal conversion;
Address acquisition module is used for obtaining the address information corresponding with the band information of described radio broadcasting signal when receiving signal strength and indicate RSSI less than the first threshold that sets in advance;
The second playing module is used for playing the second audio signal according to media stream transition, and described Media Stream is for to obtain according to described address information.
As shown from the above technical solution, the embodiment of the invention is by in the process of mobile terminal playing according to the first audio signal of radio broadcasting signal conversion, as RSSI during less than the first threshold that sets in advance, obtain the address information corresponding with the band information of above-mentioned radio broadcasting signal, thereby so that above-mentioned portable terminal can be play the second audio signal according to the media stream transition corresponding with address above mentioned information of obtaining, enlarge the scope of can the broadcasting program broadcast corresponding audio signal (the first audio signal or the second audio signal) of portable terminal, guaranteed normally carrying out of portable terminal broadcasting service.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of the player method of the audio signal that Fig. 1 provides for the embodiment of the invention one;
The schematic flow sheet of the player method of the audio signal that Fig. 2 provides for the embodiment of the invention two;
The structural representation of the playing device of the audio signal that Fig. 3 provides for the embodiment of the invention three;
The structural representation of the playing device of the audio signal that Fig. 4 provides for the embodiment of the invention four.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The schematic flow sheet of the player method of the audio signal that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, the player method of the audio signal of the present embodiment can may further comprise the steps:
The first audio signal that step 101, mobile terminal playing are changed according to radio broadcasting signal;
Wherein, address above mentioned information is the network address, just can obtain corresponding Media Stream according to this network address.
Wherein, above-mentioned the first audio signal or the second audio signal can be frequency modulation (FM) audio signal, can also be amplitude modulation (AM) audio signal.
Further, the player method of the audio signal of the present embodiment can also comprise the step of the mapping relations that set in advance band information and address information, so that portable terminal can obtain the address information corresponding with the band information of above-mentioned radio broadcasting signal in the above-mentioned steps 102.Wherein, the mapping relations of above-mentioned band information and address information can be as shown in table 1.
The mapping relations of table 1 band information and address information
| Band information | Corresponding address information |
| FM 91.5Hz | mms:\\fmradio.xxx.xxx\aaa.aaa |
| FM 87.6Hz | mms:\\fmradio.xxx.xxx\bbb.bbb |
| FM 97.4Hz | mms:\\fmradio.xxx.xxx\ccc.ccc |
| FM 103.9Hz | mms:\\fmradio.xxx.xxx\ddd.ddd |
| AM 531Hz | mms:\\fmradio.xxx.xxx\ddd.eee |
| AM 1602Hz | mms:\\fmradio.xxx.xxx\ddd.fff |
Further, in order to improve continuity and the real-time of mobile terminal playing the second audio signal, in the above-mentioned steps 103 of the present embodiment, can also comprise the Media Stream corresponding with address above mentioned information that buffer memory in advance obtains, thereby so that portable terminal can work as RSSI less than the Second Threshold that sets in advance the time, is play the second audio signal according to the above-mentioned media stream transition of buffer memory immediately.
Further, when portable terminal can also be worked as RSSI greater than the first threshold that sets in advance, continue to play the first audio signal according to the radio broadcasting signal conversion.
In the present embodiment, portable terminal specifically can by the mode of poll RSSI register, be known the value RSSI of RSSI register.
In the present embodiment, in the process of mobile terminal playing according to the first audio signal of the radio broadcasting signal conversion of obtaining, as RSSI during less than the first threshold that sets in advance, obtain the address information corresponding with the band information of above-mentioned radio broadcasting signal, thereby so that above-mentioned portable terminal can be play the second audio signal according to the media stream transition corresponding with address above mentioned information of obtaining, enlarge the scope of can the broadcasting program broadcast corresponding audio signal (the first audio signal or the second audio signal) of portable terminal, guaranteed normally carrying out of portable terminal broadcasting service.
The schematic flow sheet of the player method of the audio signal that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, the player method of the audio signal of the present embodiment can may further comprise the steps:
The first audio signal that step 201, mobile terminal playing are changed according to the radio broadcasting signal that obtains;
In this step, portable terminal can be changed the radio broadcasting signal that obtains, and generates the first audio signal, then can play this first audio signal.Particularly, the audio frequency output channel of portable terminal (being loud speaker) is connected with the FM/AM chip, obtains and change radio broadcasting signal corresponding to broadcast program by the FM/AM chip.
Wherein, above-mentioned RSSI register can be arranged on the FM/AM chip.
The Media Stream corresponding with address above mentioned information that step 204, portable terminal buffer memory obtain;
In this step, the audio frequency output channel of portable terminal (being loud speaker) switches to the streaming media playing module and is connected, and obtains and change Media Stream corresponding to broadcast program by the streaming media playing module.
In this step, the audio frequency output channel of portable terminal (being loud speaker) again switches to the FM/AM chip and is connected, and obtains and change radio broadcasting signal corresponding to broadcast program by the FM/AM chip.
In the present embodiment, if the user need to stop portable terminal the radio broadcasting signal that obtains is changed namely before the shutdown, need to be stopped poll RSSI register, avoid the waste of resource.
In the present embodiment, in the process of mobile terminal playing according to the first audio signal of the radio broadcasting signal conversion of obtaining, when RSSI less than 30% the time, obtain the address information corresponding with the band information of above-mentioned radio broadcasting signal, thereby so that above-mentioned portable terminal can be play the second audio signal according to the media stream transition corresponding with address above mentioned information of obtaining, enlarge the scope of can the broadcasting program broadcast corresponding audio signal (the first audio signal or the second audio signal) of portable terminal, guaranteed normally carrying out of portable terminal broadcasting service.
Need to prove: for aforesaid each embodiment of the method, for simple description, therefore it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
The structural representation of the playing device of the audio signal that Fig. 3 provides for the embodiment of the invention three, as shown in Figure 3, the playing device of the audio signal of the present embodiment can comprise the first playing module 31, address acquisition module 32 and the second playing module 33.Wherein, the first audio signal that the first playing module 31 is play according to the radio broadcasting signal conversion, address acquisition module 32 is as RSSI during less than the first threshold that sets in advance, obtain the address information corresponding with the band information of above-mentioned radio broadcasting signal, the second audio signal that the second playing module 33 is play according to media stream transition, above-mentioned Media Stream is according to the address above mentioned acquisition of information.
The playing device of the audio signal that the function of portable terminal all can be provided by the embodiment of the invention among the invention described above embodiment one, two is realized.
In the present embodiment, the first playing module is play in the process of the first audio signal of changing according to the radio broadcasting signal that obtains, as RSSI during less than the first threshold that sets in advance, address acquisition module is obtained the address information corresponding with the band information of above-mentioned radio broadcasting signal, thereby so that the second playing module can be play the second audio signal according to the media stream transition corresponding with address above mentioned information of obtaining, enlarge the scope of can the broadcasting program broadcast corresponding audio signal (the first audio signal or the second audio signal) of portable terminal, guaranteed normally carrying out of portable terminal broadcasting service.
Further, the playing device of the audio signal of the present embodiment can further include module 34 is set, be used for setting in advance the mapping relations of band information and address information, so that address acquisition module 32 is obtained the address information corresponding with the band information of above-mentioned radio broadcasting signal.
The structural representation of the playing device of the audio signal that Fig. 4 provides for the embodiment of the invention four, as shown in Figure 4, the second playing module 33 in the playing device of the audio signal of the present embodiment specifically can comprise buffer unit 41 and broadcast unit 42.Wherein, the Media Stream corresponding with address above mentioned information that buffer unit 41 buffer memorys obtain, broadcast unit 42 is play the second audio signal according to the above-mentioned media stream transition of buffer memory as RSSI during less than the Second Threshold that sets in advance.
In the present embodiment, after address acquisition module gets access to the address information corresponding with the band information of above-mentioned radio broadcasting signal, the Media Stream corresponding with address above mentioned information that buffer unit elder generation buffer memory obtains, as RSSI during less than the Second Threshold that sets in advance, broadcast unit is play the second audio signal according to the above-mentioned media stream transition of buffer memory again, thereby has improved the continuity of playing audio signal.
Further, because obtaining of Media Stream can produce certain network traffics, so as RSSI during greater than the first threshold that sets in advance, the first playing module 31 can also continue to play the first audio signal of changing according to radio broadcasting signal.
Particularly, the playing device of the audio signal of the present embodiment can further include message polling module 35, be used for poll RSSI register, know the value of RSSI register, the value of above-mentioned RSSI register is RSSI, so that when RSSI satisfies different threshold condition, trigger corresponding functional module or unit.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. the player method of an audio signal is characterized in that, comprising:
Broadcast is according to the first audio signal of radio broadcasting signal conversion;
When receiving signal strength indication RSSI less than the first threshold that sets in advance, obtain the address information corresponding with the band information of described radio broadcasting signal;
Broadcast is according to the second audio signal of media stream transition, and described Media Stream is for to obtain according to described address information; Wherein, described broadcast is according to the second audio signal of media stream transition, and described Media Stream comprises for obtaining specifically according to described address information:
The Media Stream corresponding with described address information that buffer memory obtains;
As RSSI during less than the Second Threshold that sets in advance, play the second audio signal according to the described media stream transition of buffer memory.
2. method according to claim 1 is characterized in that, also comprises: set in advance the mapping relations of band information and address information, to obtain the address information corresponding with the band information of described radio broadcasting signal.
3. method according to claim 1 is characterized in that, described broadcast is according to the second audio signal of media stream transition, and described Media Stream also comprises after obtaining according to described address information:
As RSSI during greater than described first threshold, play described the first audio signal.
4. method according to claim 1 is characterized in that, described method also comprises: poll RSSI register, know the value of RSSI register, and the value of described RSSI register is RSSI.
5. according to claim 1 to the described method of 4 arbitrary claims, it is characterized in that, described first threshold is 30, and described Second Threshold is 10.
6. the playing device of an audio signal is characterized in that, comprising:
The first playing module is used for playing the first audio signal according to the radio broadcasting signal conversion;
Address acquisition module is used for obtaining the address information corresponding with the band information of described radio broadcasting signal when receiving signal strength and indicate RSSI less than the first threshold that sets in advance;
The second playing module is used for playing the second audio signal according to media stream transition, and described Media Stream is for to obtain according to described address information; Wherein, described the second playing module specifically comprises:
Buffer unit is used for the Media Stream corresponding with described address information that buffer memory obtains;
Broadcast unit is used for as RSSI during less than the Second Threshold that sets in advance, and broadcast is according to the second audio signal of the described media stream transition of buffer memory.
7. device according to claim 6, it is characterized in that, also comprise module is set, be used for setting in advance the mapping relations of band information and address information, so that described address acquisition module is obtained the address information corresponding with the band information of described radio broadcasting signal.
8. device according to claim 6 is characterized in that, described the first playing module also is used for playing described the first audio signal as RSSI during greater than described first threshold.
9. according to claim 6 to the described device of 8 arbitrary claims, it is characterized in that, described device also comprises the message polling module, is used for poll RSSI register, knows the value of RSSI register, and the value of described RSSI register is RSSI.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102489423A CN101931479B (en) | 2010-08-05 | 2010-08-05 | Method and device for playing audio signal |
| PCT/CN2011/077712 WO2012016497A1 (en) | 2010-08-05 | 2011-07-28 | Method and device for playing audio signal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102489423A CN101931479B (en) | 2010-08-05 | 2010-08-05 | Method and device for playing audio signal |
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| CN101931479A CN101931479A (en) | 2010-12-29 |
| CN101931479B true CN101931479B (en) | 2013-01-02 |
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| CN2010102489423A Active CN101931479B (en) | 2010-08-05 | 2010-08-05 | Method and device for playing audio signal |
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| WO (1) | WO2012016497A1 (en) |
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| CN101931479B (en) * | 2010-08-05 | 2013-01-02 | 华为终端有限公司 | Method and device for playing audio signal |
| CN103166727A (en) * | 2011-12-13 | 2013-06-19 | 联想(北京)有限公司 | Multi-media data output method and electronic device |
| US9258380B2 (en) | 2012-03-02 | 2016-02-09 | Realtek Semiconductor Corp. | Cross-platform multimedia interaction system with multiple displays and dynamically-configured hierarchical servers and related method, electronic device and computer program product |
| TWI495329B (en) * | 2012-03-02 | 2015-08-01 | Realtek Semiconductor Corp | Cross-platform multimedia interaction system with multiple displays and dynamically-configured hierarchical servers and related method, electronic device and computer program product |
| US9620087B2 (en) | 2012-03-02 | 2017-04-11 | Realtek Semiconductor Corp. | Multimedia interaction system and related computer program product capable of avoiding unexpected interaction behavior |
| CN105813156A (en) * | 2014-12-29 | 2016-07-27 | 中国移动通信集团公司 | Method for switching radio station signal, device, terminal and vehicle |
| CN106330907A (en) * | 2016-08-24 | 2017-01-11 | 阿基米德（上海）传媒有限公司 | Mobile-end audio high/low-data-rate adaptive play method |
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| CN101159980A (en) * | 2007-10-26 | 2008-04-09 | 中兴通讯股份有限公司 | Method of switching mobile multimedia service between broadcast network and network |
| CN101420656A (en) * | 2007-10-23 | 2009-04-29 | 中兴通讯股份有限公司 | Method for expanding reception range of mobile phone television service and mobile terminal system |
| CN101772115A (en) * | 2008-12-26 | 2010-07-07 | 中国移动通信集团公司 | Mobile terminal and video playing method, hybrid network and video data transmitting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU1058601A (en) * | 1999-10-18 | 2001-05-14 | Jong-Hae Kim | Addressable television broadcasting system |
| JP2005025661A (en) * | 2003-07-02 | 2005-01-27 | Nec Corp | Mobile terminal and method of obtaining web contents through the same |
| US7957696B2 (en) * | 2006-09-25 | 2011-06-07 | Silicon Laboratories Inc. | System and method for selecting channels for short range transmissions to broadcast receivers |
| CN101931479B (en) * | 2010-08-05 | 2013-01-02 | 华为终端有限公司 | Method and device for playing audio signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420656A (en) * | 2007-10-23 | 2009-04-29 | 中兴通讯股份有限公司 | Method for expanding reception range of mobile phone television service and mobile terminal system |
| CN101159980A (en) * | 2007-10-26 | 2008-04-09 | 中兴通讯股份有限公司 | Method of switching mobile multimedia service between broadcast network and network |
| CN101772115A (en) * | 2008-12-26 | 2010-07-07 | 中国移动通信集团公司 | Mobile terminal and video playing method, hybrid network and video data transmitting method |
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| WO2012016497A1 (en) | 2012-02-09 |
| CN101931479A (en) | 2010-12-29 |
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Effective date of registration: 20171031 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Huawei Device Co., Ltd. |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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