CN101964844A - Method and device for automatically regulating audio playing in handhold verbal equipment - Google Patents

Method and device for automatically regulating audio playing in handhold verbal equipment Download PDF

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Publication number
CN101964844A
CN101964844A CN2010102942625A CN201010294262A CN101964844A CN 101964844 A CN101964844 A CN 101964844A CN 2010102942625 A CN2010102942625 A CN 2010102942625A CN 201010294262 A CN201010294262 A CN 201010294262A CN 101964844 A CN101964844 A CN 101964844A
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China
Prior art keywords
distance
playback
volume
verbal
hand
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Application number
CN2010102942625A
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Chinese (zh)
Inventor
王振煜
潘英
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中兴通讯股份有限公司
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Priority to CN2010102942625A priority Critical patent/CN101964844A/en
Publication of CN101964844A publication Critical patent/CN101964844A/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/60Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges including speech amplifiers
    • H04M1/6033Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041Portable telephones adapted for handsfree use
    • H04M1/605Portable telephones adapted for handsfree use involving control of the receiver volume to provide a dual operational mode at close or far distance from the user
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/12Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Abstract

The invention discloses a method for automatically regulating audio playing in handhold verbal equipment. The method comprises the following steps of: acquiring a proximity distance by a proximity sensor on the handhold verbal equipment; and switching an audio playing mode or regulating the volume of an earphone of the handhold verbal equipment according to the proximity distance. The invention also discloses a device for regulating the audio playing in the handhold verbal equipment. Through the method and the device, a hand-free mode and a non-hand-free mode can be automatically switched according to the proximity distance of a human body, and the volume of the earphone can be automatically regulated under the non-hand-free mode, so that a user does not need to manually switch the audio playing mode and regulate the volume so as to improve the user experience, and the method and the device have high practical value.

Description

Automatically regulate the method and apparatus of playback in a kind of hand-held verbal system

Technical field

The present invention relates to playback control method in the hand-held verbal system, be meant the method and apparatus of regulating playback in a kind of hand-held verbal system automatically especially.

Background technology

Mobile phone has become necessary part in people's life as handing a kind of of verbal system now, and a lot of people will answer or dial a lot of phones by mobile phone every day.In communication process, the voice that utilize receiver on the mobile phone to answer the other side also are essential.The playback pattern of usually hand-held verbal system comprises following two kinds: non-hands-free mode and hands-free mode.At mobile phone, hands-free mode is generally used for the situation that needs the people around to answer together, perhaps when the situation of the inconvenient handheld mobile phone of listening user; Non-hands-free mode is that general handheld mobile phone is answered near auricle, and still, under non-hands-free mode, the volume of receiver is changeless.When environment was more noisy around, listening user must be by manual mode, for example: regulate side switch up and down, regulate the size of volume.Further, listening user switches non-hands-free mode and hands-free mode also must switch by dedicated button.Cause listening user like this in the process of answering, often needed in a rush adjustment volume or switch the playback pattern, made user's the process of answering inconvenience very.

Summary of the invention

In view of this, main purpose of the present invention is to provide the method and apparatus of regulating playback in a kind of hand-held verbal system automatically, can automatically switch and hand the playback pattern of verbal system, and regulate the volume of receiver automatically.

For achieving the above object, technical scheme of the present invention is achieved in that

The invention discloses the method for regulating playback in a kind of hand-held verbal system automatically, described method comprises:

Proximity transducer by on the hand-held verbal system obtains near distance;

According near distance, switch the playback pattern or regulate the Headphone volume of handing verbal system.

Wherein, described obtaining near before the distance also comprises: listening user is according to human needs, and whether be provided with needs to adopt according near the distance adjustment playback, if adopt then obtain near distance by proximity transducer, otherwise adopts traditional control method.

Wherein, described proximity transducer is an infrared sensor.

Wherein, described switching playback pattern is specially: when near distance greater than away from threshold value the time, be hands-free mode with the playback mode switch, otherwise be non-hands-free mode the playback mode switch.

Wherein, the Headphone volume of the hand-held verbal system of described adjusting is specially: under non-hands-free mode, when diminishing near distance, then increase the volume of receiver, when becoming big near distance, then reduce the volume of receiver.

Wherein, under non-hands-free mode, also comprise:, keep the volume of receiver constant near apart from less than away from threshold value and under greater than situation near threshold value; Near distance less than situation near threshold value under, when diminishing, then increase the volume of receiver near distance, when becoming big, then reduce the volume of receiver near distance.

The invention also discloses the device of regulating playback in a kind of hand-held verbal system automatically, described device comprises: sensor assembly and playback adjustment module, wherein,

Described sensor assembly is used to obtain near distance, will send to playback adjustment module 32 near distance;

Described playback adjustment module is used for switching the playback pattern or regulating the Headphone volume of handing verbal system according near distance.

Wherein, described sensor assembly also is used for: be provided with whether open sensor assembly as required by listening user, when being set to open, the sensor assembly detection signal also reports near distance; When being set to close, hand-held verbal system adopts traditional playback control method.

Automatically regulate the method and apparatus of playback in the hand-held verbal system provided by the present invention, the proximity transducer by on the hand-held verbal system obtains near distance; According near distance, switch the playback pattern or regulate the Headphone volume of handing verbal system.Can according to human body near apart from automatic switchover hands-free mode and non-hands-free mode, and under non-hands-free mode, can regulate the volume of receiver automatically, make user manual operation switching playback pattern and adjusting volume again, improved user experience, have very much practical value.

Description of drawings

Fig. 1 is for regulating the method flow schematic diagram of playback automatically in a kind of hand-held verbal system of the present invention;

Fig. 2 adopts infrared sensor for the present invention and uses the method flow schematic diagram that the Android system regulates playback automatically;

Fig. 3 is for regulating the device of playback automatically in a kind of hand-held verbal system of the present invention.

Embodiment

The present invention has utilized people's common practice, promptly when answering cell phone, if think that volume is too big, and will be with mobile phone a little away from auricle; Otherwise, if surrounding environment is noisy or think that volume is too little, mobile phone will be adjacent to auricle, to attempt listening clearlyer.This shows that the volume of the distance between earpiece and the auricle and those who answer's perception has correlation.

Basic thought of the present invention is that the proximity transducer by on the hand-held verbal system obtains near distance; According near distance, switch the playback pattern or regulate the Headphone volume of handing verbal system.

The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.

Fig. 1 is for regulating the method flow schematic diagram of playback automatically in a kind of hand-held verbal system of the present invention, as shown in Figure 1, the method for described automatic adjusting Headphone volume specifically may further comprise the steps:

Step 101, the proximity transducer by on the hand-held verbal system obtains near distance;

Concrete, on hand-held verbal system, install proximity transducer additional, described proximity transducer is by detected signal, obtain hand-held verbal system and human body near distance.Since at be between hand-held verbal system and the human body near distance, preferred proximity transducer is an infrared sensor.The function of infrared sensor comprises: emission infrared light, the detection of reflected infrared light intensity of returning then.So just can by the infrared light intensity that reflects obtain between hand-held verbal system and the human body near distance.

Step 102 according near distance, is switched the playback pattern or is regulated the Headphone volume of handing verbal system.

Concrete, according to the detected signal of proximity transducer, at infrared sensor is exactly the infrared light intensity that reflects that reports, can obtain between corresponding hand-held verbal system and the human body near distance, according near apart from by playback mode switch function and Headphone volume regulatory function in the hand-held verbal system, switch the playback pattern or regulate the Headphone volume of handing verbal system then.Basic principle is: when surpassing away from threshold value near distance, adopt hands-free mode; In away from threshold value the time, adopt non-hands-free mode near distance.Under non-hands-free mode, when diminishing, illustrate that listening user sensation Headphone volume is less than normal near distance, therefore increase the volume of receiver; When becoming big near distance, illustrate that listening user sensation Headphone volume is bigger than normal, therefore reduce the volume of receiver.Wherein, before dispatching from the factory, be cured setting away from the setting of threshold value by production firm, or provide the special-purpose software open port to be provided with voluntarily by the user by production firm.

Further, under non-hands-free mode, in order to prevent that hand-held verbal system shake from causing unnecessary frequent switching, can be provided with one away from threshold value and one near threshold value: near distance less than away from threshold value and under greater than situation near threshold value, keep the volume of receiver constant; Near distance less than situation near threshold value under, when diminishing, then increase the volume of receiver near distance, when becoming big, then reduce the volume of receiver near distance.Can before dispatching from the factory, be cured setting by production firm near threshold value with away from the setting of threshold value, or provide the special-purpose software open port to be provided with voluntarily by the user by production firm.

Further, also comprised before step 101: listening user is according to a human needs, and whether be provided with needs to adopt basis near the distance adjustment playback.When needs adopt, the method for execution in step 101 and step 102; When not required, can adopt traditional playback control method.In addition, can also be when surpassing away from threshold value near distance, the prompting listening user selects directly to adopt hands-free mode, perhaps selects to switch to manual adjustments playback pattern.

Fig. 2 adopts infrared sensor for the present invention and uses the method flow schematic diagram that the Android system regulates playback automatically, and as shown in Figure 2, described method specifically comprises:

The infrared light intensity that step 201, infrared sensor detection of reflected are returned is determined near distance according to infrared light intensity;

Concrete, proximity transducer is by sample detecting, the infrared light intensity Prox_Value that obtains reflecting is big more, proves near distance near more.In order to prevent that hand-held verbal system shake from causing unnecessary frequent switching, therefore two thresholdings are set at infrared light intensity, one is away from thresholding Prox_Threshold_Low, another is near thresholding Prox_Threshold_Hi.When infrared luminous intensity during, will hand verbal system and switch to hands-free mode less than Prox_Threshold_Low; When infrared luminous intensity during greater than Prox_Threshold_Low and less than Prox_Threshold_Hi, hand-held verbal system is non-hands-free mode, according near the distance adjustment Headphone volume; When infrared luminous intensity during greater than Prox_Threshold_Hi, hand-held verbal system is non-hands-free mode, according near the distance adjustment Headphone volume.In the thresholding calibration process, at first, when measuring Prox_Value=Prox_Threshold_Hi, obtain human body near distance D ist_Max.Further, when the measurement human body is close to receiver, be 0 o'clock promptly near distance, the infrared light intensity Prox_Value_Max of reflection.Then, obtain the difference DELTA Value of Prox_Value_Max and Prox_Threshold_Hi, Δ Value is mapped between the distance regions of 0~Dist_Max on, thereby obtain near distance D istance.Because the difference of the difference of phone housing structural member or infrared sensor installation site, described mapping relations can be Linear Mapping, for example:

Dis tan ce = Dist _ Max * ( 1 - Prox _ Value - Prox _ Threshold _ Hi ΔValue )

Also can similar parabolical Nonlinear Mapping, for example:

Dis tan ce = Dist _ Max * ( 1 - ( Prox _ Value - Prox _ Threshold _ Hi ) ΔValue )

Concrete mapping relations need be selected according to actual measured results.

Step 202, (Hardware Abstraction Layer HAL) will report the software of application layer near distance value to infrared sensor by hardware abstraction layer;

Concrete, in the driving of infrared sensor, registration is used for the Linux Input subsystem that numerical value reports, in the software of the HAL of infrared sensor layer, open Prox_Input equipment at Linux Input subsystem, read therefrom that bottom layer driving reports near distance value, simultaneously provide Data_Poll interface, be used for and continue to offer the software of application layer near distance value at infrared sensor HAL layer.

Step 203, the software of application layer switches the playback pattern or regulates the Headphone volume of handing verbal system according near distance.

Concrete, the application layer software of adjustment infrared sensor, the application layer software of transducer is Sensor Manager in the Android system, obtains the function that the user was provided with and called audio driven HAL layer software interface in this layer increase.Before communication process begins, at first according to user's setting, whether decision opens the self-regulating function of In Call to Sensor M anager, if select to open this function, then the size near distance value that provides according to infrared sensor HAL layer Data_Poll interface is carried out the adjusting of volume.If the distance that reports is between 0~Dist_Max, then basis is near distance value size adjustment volume.Wherein, SensorManager realizes the adjusting of Headphone volume by calling the HAL layer software interface of audio driven, and its essence is by software interface operation note value, thus the size of regulating the receiver power amplifier voltage.If the distance value that reports greater than the Prox_Threshold_Low correspondence near distance value, then be judged as mobile phone away from human body, Sensor Manager calls audio frequency HAL layer software interface, call voice is switched to loudspeaker channel, i.e. hands-free mode; When detect distance value less than the Prox_Threshold_Low correspondence near distance value, then again call voice is switched to receiver passage, promptly non-hands-free mode; When detecting distance value further less than Dist_Max, more little near distance, volume is big more.

Fig. 3 is for regulating the device of playback automatically in a kind of hand-held verbal system of the present invention, as shown in Figure 3, described device is arranged in hand-held verbal system 30, comprising: sensor assembly 31 and playback adjustment module 32, wherein,

Described sensor assembly 31 is used to obtain near distance, will send to playback adjustment module 32 near distance;

Concrete, on hand-held verbal system, install sensor assembly 31 additional, described sensor assembly 31 be used to obtain hand-held verbal system and human body near distance.Since at be between hand-held verbal system and the human body near distance, preferred sensor module 31 can adopt infrared sensor.The function of infrared sensor comprises: emission infrared light, the detection of reflected infrared light intensity of returning then.So just can by the infrared light intensity that reflects obtain between hand-held verbal system and the human body near distance.

Described playback adjustment module 32 is used for switching the playback pattern or regulating the Headphone volume of handing verbal system according near distance.

Concrete, playback adjustment module 32 is switched the playback pattern or is regulated the Headphone volume of handing verbal system according near apart from by playback mode switch function and Headphone volume regulatory function in the hand-held verbal system 30.Basic principle is: when surpassing away from threshold value near distance, adopt hands-free mode; In away from threshold value the time, adopt non-hands-free mode near distance.Under non-hands-free mode, when diminishing, illustrate that listening user sensation Headphone volume is less than normal near distance, therefore increase the volume of receiver; When becoming big near distance, illustrate that listening user sensation Headphone volume is bigger than normal, therefore reduce the volume of receiver.Wherein, before dispatching from the factory, be cured setting away from the setting of threshold value by production firm, or provide the special-purpose software open port to be provided with voluntarily by the user by production firm.

Further, in the process of the volume of described playback adjustment module 32 adjusting receivers, in order to prevent that hand-held verbal system 30 shakes from causing unnecessary frequent switching, can be provided with one away from threshold value and one near threshold value: near distance less than away from threshold value and under greater than situation near threshold value, keep the volume of receiver constant; Near distance less than situation near threshold value under, when diminishing, then increase the volume of receiver near distance, when becoming big, then reduce the volume of receiver near distance.Can before dispatching from the factory, be cured setting by production firm near threshold value with away from the setting of threshold value, or provide the special-purpose software open port to be provided with voluntarily by the user by production firm.

Further, sensor assembly 31 also is used for: be provided with whether open sensor assembly 31 as required by listening user, when being set to open, sensor assembly 31 detection signals also report near distance; When being set to close, hand-held verbal system 30 can adopt traditional playback control method.In addition, can also add prompt facility in described playback adjustment module 32, when surpassing away from threshold value near distance, the prompting listening user selects directly to adopt hands-free mode, perhaps selects to switch to manual adjustments playback pattern.

The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. regulate the method for playback in the hand-held verbal system automatically, it is characterized in that described method comprises:
Proximity transducer by on the hand-held verbal system obtains near distance;
According near distance, switch the playback pattern or regulate the Headphone volume of handing verbal system.
2. method according to claim 1, it is characterized in that, described obtaining near before the distance, also comprise: listening user is according to a human needs, whether be provided with needs to adopt basis near the distance adjustment playback, if adopt then obtain near distance, otherwise adopt traditional control method by proximity transducer.
3. method according to claim 1 and 2 is characterized in that described proximity transducer is an infrared sensor.
4. method according to claim 1 and 2 is characterized in that, described switching playback pattern is specially: when near distance greater than away from threshold value the time, be hands-free mode with the playback mode switch, otherwise be non-hands-free mode the playback mode switch.
5. method according to claim 4 is characterized in that, the Headphone volume of the hand-held verbal system of described adjusting is specially: under non-hands-free mode, when diminishing near distance, then increase the volume of receiver, when becoming big near distance, then reduce the volume of receiver.
6. method according to claim 5 is characterized in that, under non-hands-free mode, also comprises: near apart from less than away from threshold value and under greater than the situation near threshold value, keep the volume of receiver constant; Near distance less than situation near threshold value under, when diminishing, then increase the volume of receiver near distance, when becoming big, then reduce the volume of receiver near distance.
7. regulate the device of playback in the hand-held verbal system automatically, it is characterized in that described device comprises: sensor assembly and playback adjustment module, wherein,
Described sensor assembly is used to obtain near distance, will send to playback adjustment module 32 near distance;
Described playback adjustment module is used for switching the playback pattern or regulating the Headphone volume of handing verbal system according near distance.
8. device according to claim 7 is characterized in that, described sensor assembly also is used for: be provided with whether open sensor assembly as required by listening user, when being set to open, the sensor assembly detection signal also reports near distance; When being set to close, hand-held verbal system adopts traditional playback control method.
9. according to claim 7 or 8 described devices, it is characterized in that described playback adjustment module is switched the playback pattern, is specially: when near distance greater than away from threshold value the time, be hands-free mode with the playback mode switch, otherwise be non-hands-free mode the playback mode switch.
10. device according to claim 9 is characterized in that, described playback adjustment module is regulated the Headphone volume of hand-held verbal system, be specially: under non-hands-free mode,, then increase the volume of receiver when diminishing near distance, when becoming big, then reduce the volume of receiver near distance.
CN2010102942625A 2010-09-26 2010-09-26 Method and device for automatically regulating audio playing in handhold verbal equipment CN101964844A (en)

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