CN102097115A - Audio frequency playing method and mobile terminal - Google Patents
Audio frequency playing method and mobile terminal Download PDFInfo
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- CN102097115A CN102097115A CN2009102426440A CN200910242644A CN102097115A CN 102097115 A CN102097115 A CN 102097115A CN 2009102426440 A CN2009102426440 A CN 2009102426440A CN 200910242644 A CN200910242644 A CN 200910242644A CN 102097115 A CN102097115 A CN 102097115A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005236 sound signal Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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Abstract
The invention discloses an audio frequency playing method, which comprises the steps that: a mobile terminal receives an audio frequency electric signal, processes the received audio frequency electric signal and sends the processed audio frequency signal to a Bluetooth headset. The invention correspondingly discloses a mobile terminal, which comprises an audio frequency electric signal receiving module, an audio frequency electric signal processing module and a Bluetooth sending module. By the invention, the audio frequency electric signal provided by an audio frequency source which does not support the Bluetooth can be sent to the Bluetooth headset for playing through the mobile terminal, so the audio frequency playing method is convenient to use, the user experience is enhanced and the influence on others is reduced.
Description
Technical field
The present invention relates to the Audio Signal Processing technology, relate in particular to a kind of audio frequency playing method and portable terminal.
Background technology
Development along with society, we can touch various electronic musics, video product, electronic product has enriched our life widely, yet, when we enjoy the seeing and hearing enjoyment that these electronic products bring to us, those outer audio frequency of putting also may become others' noise, existing portions of electronics product influences other people life, though can carry out voice playing by bluetooth earphone as MP4 etc., to make things convenient for audiovisual, and reduce interference to other people, still, do not support the audio-source of bluetooth for those, as TV, still unavoidable meeting in use causes interference to other people.Even TV provides earphone interface, still,, use very inconvenient owing to be subjected to the restriction of earphone cord length.
Summary of the invention
In view of this, fundamental purpose of the present invention is to provide a kind of audio frequency playing method and portable terminal, can will not support the audio frequency that audio-source provided of bluetooth to play by bluetooth earphone, thereby improves user experience, and reduces the influence to other people.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of audio frequency playing method comprises:
After portable terminal receives audio electrical signal, the audio electrical signal that receives is handled, the sound signal after handling is sent to bluetooth earphone play.
Described portable terminal is treated to the audio electrical signal that receives:
Portable terminal carries out the amplitude adjustment to the audio electrical signal that receives;
Portable terminal carries out the intensity adjustment to the adjusted audio electrical signal of amplitude;
Portable terminal is converted to digital audio and video signals with the adjusted audio electrical signal of intensity.
The described audio electrical signal amplitude of carrying out to reception is adjusted into: adopt bleeder circuit that the audio electrical signal that receives is carried out the amplitude adjustment,
Described bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the one end input of described digital regulation resistance receives, the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.
Portable terminal is according to the value of the big or small control figure potentiometer of the audio electrical signal level that receives, perhaps, and by the value of user's control figure potentiometer.
A kind of portable terminal comprises: audio electrical signal receiver module, audio electrical signal processing module and bluetooth sending module, wherein,
Described audio electrical signal receiver module is used to receive audio electrical signal;
Described audio electrical signal processing module is used for the audio electrical signal that the audio electrical signal receiver module receives is handled;
Described bluetooth sending module is used for that the sound signal after the processing of audio electrical signal processing module is sent to bluetooth earphone and plays.
Described audio electrical signal processing module specifically comprises: amplitude adjusting module, intensity adjusting module and analog-to-digital conversion module, wherein,
Described amplitude adjusting module is used for the audio electrical signal that the audio electrical signal receiver module receives is carried out the amplitude adjustment;
Described intensity adjusting module is used for the adjusted audio electrical signal of amplitude adjusting module is carried out the intensity adjustment;
Described analog-to-digital conversion module is used for the adjusted audio electrical signal of intensity adjusting module is converted to digital audio and video signals.
Described amplitude adjusting module is adjusted into the audio electrical signal amplitude of carrying out: adopt bleeder circuit that the audio electrical signal that receives is carried out the amplitude adjustment,
Described bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the one end input of described digital regulation resistance receives, the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.
This portable terminal also comprises the digital regulation resistance control module, is used for receiving according to the audio electrical signal receiver module value of the big or small control figure potentiometer of audio electrical signal level.
This portable terminal also comprises user interactive module, is used for operating according to the user value of control figure potentiometer.
Audio frequency playing method of the present invention and portable terminal are handled the audio electrical signal that audio-source provided of not supporting bluetooth accordingly by portable terminal, and the sound signal after will handling sends to bluetooth earphone and plays.By the present invention, do not support the audio electrical signal that audio-source provided of bluetooth to send to bluetooth earphone and play by portable terminal, thus easy to use, not only improved user experience, and reduced influence other people.
Description of drawings
Fig. 1 is an audio frequency playing method schematic flow sheet of the present invention;
Fig. 2 is the structural representation of the present invention's one audio connecting cord;
The schematic flow sheet that Fig. 3 handles the audio electrical signal that receives for portable terminal of the present invention;
Fig. 4 is a voltage divider principle synoptic diagram of the present invention;
Fig. 5 is the structural representation of portable terminal of the present invention.
Embodiment
Basic thought of the present invention is: by portable terminal the audio electrical signal that audio-source provided of not supporting bluetooth is handled accordingly, and the sound signal after will handling sends to bluetooth earphone and plays.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme.
Fig. 1 is an audio frequency playing method schematic flow sheet of the present invention, and as shown in Figure 1, audio frequency playing method of the present invention may further comprise the steps:
Step 11: portable terminal is opened outer defeated audio frequency bluetooth tupe.
Step 12: portable terminal receives the audio electrical signal from audio-source.
Among the present invention, this portable terminal has multimedia audio electrical signal collection and Bluetooth transmission functions such as TV, its audio frequency processing circuit, bluetooth module by self, and increase corresponding change-over circuit and audio input interface and can realize that just the bluetooth of audio electrical signal sends.
Concrete, the connecting line and the connecting interface of defeated audio frequency input outside the present invention need increase in mobile terminal structure and annex, with the TV is example, and the audio output port of all TVs all is a general-purpose interface at present, and the general audio input interface that only needs to guarantee peculiar mobile phone gets final product.The structure of the present invention's one audio connecting cord as shown in Figure 2, but the structure of audio connecting cord of the present invention is not limited to structure shown in Figure 2.
Step 13: portable terminal is handled the audio electrical signal that receives, and the sound signal after handling is sent to bluetooth earphone.
The schematic flow sheet that Fig. 3 handles the audio electrical signal that receives for portable terminal of the present invention, as shown in Figure 3, portable terminal of the present invention is handled the audio electrical signal that receives and is generally comprised following steps:
Step 131: portable terminal carries out the amplitude adjustment to the audio electrical signal that receives.
Portable terminal is adjusted the amplitude of outside input audio frequency, promptly the level amplitude of audio electrical signal of input being adjusted makes it satisfy the level requirement of audio frequency of mobile terminal module, because the signal amplitude difference of external audio, so guarantee that generally incoming level is no more than the maximal value that the audio frequency of mobile terminal module allows and gets final product.Audio-frequency module is the existing module of portable terminal, and main being responsible for handled the sound signal of portable terminal.
Relatively Chang Yong amplitude adjustment method is to use resistance to carry out dividing potential drop, Fig. 4 is a voltage divider principle synoptic diagram of the present invention, as shown in Figure 4, use fixed resistance and digital regulation resistance to carry out dividing potential drop in the bleeder circuit, bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the end input of described digital regulation resistance receives, and the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.Portable terminal can be according to the size of the audio electrical signal level that collects, value by the adaptive control figure potentiometer of control bus, also can promptly according to the audio quality of hearing audio amplitude be regulated in use by the value of user's control figure potentiometer.Portable terminal can be according to the size of the audio electrical signal level that collects, during value by the adaptive control figure potentiometer of control bus, the level of input audio electrical signal is high more, need make its dividing potential drop effect more obvious by the value of adjusting digital regulation resistance, satisfy the level requirement of portable terminal with the audio electrical signal that guarantees output.
Step 132: portable terminal carries out the intensity adjustment to the adjusted audio electrical signal of amplitude.
Sound signal through amplitude adjusted also needs to carry out the intensity adjustment, can satisfy the requirement of audio frequency of mobile terminal input to guarantee adjusted audio electrical signal, thereby can be moved the distortionless acceptance of audio-frequency module of terminal.The adjustment of output intensity generally realizes by adjusting output impedance.
Step 133: portable terminal is converted to digital audio and video signals with the adjusted audio electrical signal of intensity.
Generally by audio-frequency module the adjusted audio electrical signal of intensity is carried out digitized processing, the sound signal after will handling again sends to bluetooth earphone.
Step 14: bluetooth earphone receives from the digital audio and video signals of portable terminal and plays.
Fig. 5 is the structural representation of portable terminal of the present invention, and as shown in Figure 5, portable terminal of the present invention comprises: audio electrical signal receiver module 51, audio electrical signal processing module 52 and bluetooth sending module 53, wherein,
Audio electrical signal receiver module 51 is used to receive audio electrical signal;
Audio electrical signal processing module 52 is used for the audio electrical signal that audio electrical signal receiver module 51 receives is handled;
Bluetooth sending module 53 is used for that the sound signal after 52 processing of audio electrical signal processing module is sent to bluetooth earphone and plays.
Audio electrical signal processing module 52 specifically comprises: amplitude adjusting module 521, intensity adjusting module 522 and analog-to-digital conversion module 523, wherein,
Analog-to-digital conversion module 523 is used for intensity adjusting module 522 adjusted audio electrical signals are converted to digital audio and video signals.In the practical application, the function of analog-to-digital conversion module is generally realized by the audio-frequency module of portable terminal.
521 pairs of audio electrical signal amplitudes of carrying out of amplitude adjusting module are adjusted into: adopt bleeder circuit that the audio electrical signal that receives is carried out the amplitude adjustment,
This bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the one end input of described digital regulation resistance receives, the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.
This portable terminal also comprises digital regulation resistance control module 54, is used for receiving according to the audio electrical signal receiver module value of the big or small control figure potentiometer of audio electrical signal level.
This portable terminal also comprises user interactive module 55, is used for operating according to the user value of control figure potentiometer.
According to foregoing description, the present invention utilize the inner existing hardware of portable terminal, software add certain peripheral modular converter finish to the audio electrical signal of equipment such as TV, sound equipment output gather and by Bluetooth transmission to bluetooth earphone, multimedia sound signals such as TV can be exported by Bluetooth of mobile phone, avoided of the influence of the audio frequency of these audio-visual medias other people.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (9)
1. an audio frequency playing method is characterized in that, this method comprises:
After portable terminal receives audio electrical signal, the audio electrical signal that receives is handled, the sound signal after handling is sent to bluetooth earphone play.
2. method according to claim 1 is characterized in that, described portable terminal is treated to the audio electrical signal that receives:
Portable terminal carries out the amplitude adjustment to the audio electrical signal that receives;
Portable terminal carries out the intensity adjustment to the adjusted audio electrical signal of amplitude;
Portable terminal is converted to digital audio and video signals with the adjusted audio electrical signal of intensity.
3. method according to claim 2 is characterized in that, the described audio electrical signal amplitude of carrying out to reception is adjusted into: adopt bleeder circuit that the audio electrical signal that receives is carried out the amplitude adjustment,
Described bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the one end input of described digital regulation resistance receives, the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.
4. method according to claim 3 is characterized in that, portable terminal is according to the value of the big or small control figure potentiometer of the audio electrical signal level that receives, perhaps, and by the value of user's control figure potentiometer.
5. a portable terminal is characterized in that, this portable terminal comprises: audio electrical signal receiver module, audio electrical signal processing module and bluetooth sending module, wherein,
Described audio electrical signal receiver module is used to receive audio electrical signal;
Described audio electrical signal processing module is used for the audio electrical signal that the audio electrical signal receiver module receives is handled;
Described bluetooth sending module is used for that the sound signal after the processing of audio electrical signal processing module is sent to bluetooth earphone and plays.
6. portable terminal according to claim 5 is characterized in that, described audio electrical signal processing module specifically comprises: amplitude adjusting module, intensity adjusting module and analog-to-digital conversion module, wherein,
Described amplitude adjusting module is used for the audio electrical signal that the audio electrical signal receiver module receives is carried out the amplitude adjustment;
Described intensity adjusting module is used for the adjusted audio electrical signal of amplitude adjusting module is carried out the intensity adjustment;
Described analog-to-digital conversion module is used for the adjusted audio electrical signal of intensity adjusting module is converted to digital audio and video signals.
7. portable terminal according to claim 6 is characterized in that, described amplitude adjusting module is adjusted into the audio electrical signal amplitude of carrying out: adopt bleeder circuit that the audio electrical signal that receives is carried out the amplitude adjustment,
Described bleeder circuit comprises resistance, digital regulation resistance and electric capacity, the audio electrical signal that the one end input of described digital regulation resistance receives, the other end connects resistance and electric capacity, the other end ground connection of described resistance, the adjusted audio electrical signal of other end output amplitude of described electric capacity.
8. portable terminal according to claim 7 is characterized in that this portable terminal also comprises the digital regulation resistance control module, is used for receiving according to the audio electrical signal receiver module value of the big or small control figure potentiometer of audio electrical signal level.
9. portable terminal according to claim 7 is characterized in that this portable terminal also comprises user interactive module, is used for operating according to the user value of control figure potentiometer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910242644A CN102097115B (en) | 2009-12-11 | 2009-12-11 | Audio frequency playing method and mobile terminal |
| PCT/CN2010/076273 WO2011069376A1 (en) | 2009-12-11 | 2010-08-23 | Method and mobile terminal for playing audio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910242644A CN102097115B (en) | 2009-12-11 | 2009-12-11 | Audio frequency playing method and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102097115A true CN102097115A (en) | 2011-06-15 |
| CN102097115B CN102097115B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910242644A Expired - Fee Related CN102097115B (en) | 2009-12-11 | 2009-12-11 | Audio frequency playing method and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102097115B (en) |
| WO (1) | WO2011069376A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938256A (en) * | 2011-08-15 | 2013-02-20 | 鸿富锦精密工业（深圳）有限公司 | Audio player |
| CN103594100A (en) * | 2012-08-13 | 2014-02-19 | 上海博泰悦臻电子设备制造有限公司 | Method and apparatus for playing music in mobile terminal through bluetooth |
| CN105653237A (en) * | 2016-02-01 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Audio playing control method and system and terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111917439B (en) * | 2020-07-31 | 2021-08-17 | 深圳市联华电子有限公司 | Sleep-aiding control method and Bluetooth wireless transmitting device with built-in sleep-aiding audio |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030073460A1 (en) * | 2001-10-16 | 2003-04-17 | Koninklijke Philips Electronics N.V. | Modular headset for cellphone or MP3 player |
| CN2796255Y (en) * | 2003-12-09 | 2006-07-12 | 辅升电子科技(深圳)有限公司 | Blue tooth hand-free device |
| CN1722785A (en) * | 2004-07-12 | 2006-01-18 | 上海乐金广电电子有限公司 | Blue tooth wireless audio output device for digital broadcasting receiver and method thereof |
| CN2757439Y (en) * | 2004-11-04 | 2006-02-08 | 金纯� | Blue teeth audio frequency adaptor |
| CN1787395A (en) * | 2004-12-10 | 2006-06-14 | 乐金电子（昆山）电脑有限公司 | Audio output apparatus adopting blue teeth tech. and its method |
| CN2805232Y (en) * | 2005-03-02 | 2006-08-09 | 友旺科技股份有限公司 | Radio audio signal transmission device |
| CN2907139Y (en) * | 2005-11-24 | 2007-05-30 | 庄鸿仁 | Mobile phone with multimedia function |
| CN201248036Y (en) * | 2008-08-06 | 2009-05-27 | 深圳华为通信技术有限公司 | Electronic equipment with emission function |
| CN201278560Y (en) * | 2008-10-10 | 2009-07-22 | 中兴通讯股份有限公司 | Television card with Bluetooth function |
-
2009
- 2009-12-11 CN CN200910242644A patent/CN102097115B/en not_active Expired - Fee Related
-
2010
- 2010-08-23 WO PCT/CN2010/076273 patent/WO2011069376A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938256A (en) * | 2011-08-15 | 2013-02-20 | 鸿富锦精密工业（深圳）有限公司 | Audio player |
| CN102938256B (en) * | 2011-08-15 | 2017-04-19 | 深圳市菲迪亚数码电子有限公司 | Audio player |
| CN103594100A (en) * | 2012-08-13 | 2014-02-19 | 上海博泰悦臻电子设备制造有限公司 | Method and apparatus for playing music in mobile terminal through bluetooth |
| CN105653237A (en) * | 2016-02-01 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Audio playing control method and system and terminal |
| CN105653237B (en) * | 2016-02-01 | 2019-03-22 | 宇龙计算机通信科技(深圳)有限公司 | Audio play control method, audio broadcasting control system and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011069376A1 (en) | 2011-06-16 |
| CN102097115B (en) | 2012-09-05 |
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