CN201774574U - Mobile terminal capable of automatically controlling volume - Google Patents

Abstract

The utility model belongs to the technical field of mobile terminals, and discloses a mobile terminal capable of automatically controlling volume. The mobile terminal comprises a gravity sensor, and further comprises a baseband chip; the baseband chip acquires the instantaneous acceleration of the mobile terminal through the interruption of the gravity sensor and adjusts the volume control value according to the instantaneous acceleration; and the baseband chip is connected with the gravity sensor. The gravity sensor is arranged on the mobile terminal, and the baseband chip acquires the instantaneous acceleration of the mobile terminal through the gravity sensor and adjusts the volume control value according to the instantaneous acceleration, so that the mobile terminal can automatically adjust the play volume according to the motion condition of the mobile terminal, the sound receiving quality is greatly improved for a user, the further experience of music is enhanced for the user, and the mobile terminal is highly humanized.

Description

A kind of portable terminal that can control volume automatically

Technical field

The utility model belongs to technical field of mobile terminals, is specifically related to a kind of portable terminal that can control volume automatically.

Background technology

Along with the continuous development of portable terminal technology, the user is more and more higher to the requirement of mobile terminal function.

With the mobile phone is example, the user is in the process of using mobile phone to play music, volume generally all is that the user sets in the menu of volume is set, and the sound that the volume player plays is come out is also fixed, and the rhythm of music also can only be play regularly according to the volume control value that the user is provided with.

When running into the situation of playing some dynamic music, the twisting action can take place along with the beat health of music in the user, and then drive motion of mobile terminals, if portable terminal and user are in motion process, the words that sound playing is constant always, to influence the quality that the user receives sound greatly, reduced the further experience of user, lack hommization music.

How to regulate volume automatically and play, improve the quality that the user receives sound, and the user is one of direction of technical field of mobile terminals research to the further experience of music according to the motion conditions of portable terminal.

The utility model content

The purpose of this utility model is to provide a kind of portable terminal that can control volume automatically, is intended to regulate volume automatically according to the motion conditions of portable terminal and plays, and improve the quality that the user receives sound, and the user is to the further experience of music.

The utility model embodiment realizes like this, a kind of portable terminal that can control volume automatically, described terminal comprises a gravity sensor, comprise that also one obtains described portable terminal instantaneous acceleration by the interruption of described gravity sensor, and adjust the baseband chip of volume control value according to described instantaneous acceleration, described baseband chip connects described gravity sensor.

The portable terminal that can control volume automatically that the utility model embodiment provides, wherein, described baseband chip connects described gravity sensor by the I2C interface.

The portable terminal that can control volume automatically that the utility model embodiment provides, wherein, described terminal comprises that also one is used for the Audio Players according to the controls playing sound of described baseband chip, described Audio Players connects described baseband chip.

The portable terminal that can control volume automatically that the utility model embodiment provides, wherein, described terminal comprises that also one is used for the display that the volume control value with described baseband chip adjustment shows, described display connects described baseband chip.

The utility model embodiment is by being provided with a gravity sensor at portable terminal, baseband chip obtains the instantaneous acceleration of portable terminal according to gravity sensor, and adjust the volume control value of described portable terminal according to described instantaneous acceleration, making portable terminal to regulate volume automatically according to the motion conditions of self plays, improved the quality that the user receives sound greatly, strengthened the further experience of user to music, hommization very is beneficial to the popularization of portable terminal.

Description of drawings

The structure chart that can control the portable terminal of volume automatically that Fig. 1 provides for the utility model embodiment.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Fig. 1 shows the structure that can control the portable terminal of volume automatically that the utility model embodiment provides.

Described terminal comprises baseband chip 11, gravity sensor 12, Audio Players 13 and display 14.

Wherein, described baseband chip 11 connects described gravity sensor 12 by the I2C interface; Described Audio Players 13 also is connected with described baseband chip 11 respectively with display 14.

Baseband chip 11 obtains described portable terminal instantaneous acceleration by the interruption of described gravity sensor 12, and adjusts volume control value according to described instantaneous acceleration.

Described Audio Players 13 is according to the controls playing sound of described baseband chip 11.

The volume control value that described display is adjusted described baseband chip 11 shows.

Operation principle of the present utility model is:

The user is in listening to the music process, when music rhythm is strong, the user can twist health along with music, and then the motion of drive portable terminal, at this moment, the variation that gravity sensor 12 (G-sensor) is sensed the portable terminal acceleration, the variation of portable terminal acceleration can make gravity sensor 12 produce interrupt signal, and the baseband chip 11 that is connected with described gravity sensor 12 will detect the interrupt signal that gravity sensor 12 produces;

Baseband chip 11 obtains the size of current acceleration by the I2C interface from gravity sensor 12, and the acceleration that obtains is converted to volume control value, is used for controlling volume and plays;

The volume control value that Audio Players 13 is adjusted according to baseband chip 11 plays sound, in the variation with the present volume of movable body of portable terminal.

Wherein, baseband chip 11 is as follows with the arthmetic statement that the acceleration of described gravity sensor 12 is converted to volume control value:

Baseband chip 11 will be done absolute value from the acceleration that gravity sensor 12 obtains and handle, use 10 analog to digital converters (Analog-to-Digital Converter, ADC) resolution, dynamic range are ± gravity sensor of 2g, wherein g is an acceleration of gravity; Suppose that it is a that baseband chip 11 is read the ADC value of the acceleration of gravity sensor 12, then current acceleration magnitude is

Wherein the span of a is 0～512, because direction is arranged, so embody with the form of complement code;

Suppose that the portable terminal instantaneous acceleration is 2g, the dynamic range that the mobile terminal loudness controlling value is provided with is-22db～+ 23db, be a step with 3db, 16 ladders altogether, then baseband chip 11 with the formula that instantaneous acceleration is converted to volume control value is:

$-22\mathrm{db}+(\frac{a}{32}-1)\×3\mathrm{db}.$

The utility model embodiment is by being provided with a gravity sensor 12 at portable terminal, baseband chip 11 obtains the instantaneous acceleration of portable terminal according to gravity sensor 12, adjust the volume control value of described portable terminal according to described instantaneous acceleration, making portable terminal to regulate volume automatically according to the motion conditions of self plays, improved the quality that the user receives sound greatly, strengthened the further experience of user to music, hommization very is beneficial to the popularization of portable terminal.

Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection range of the utility model claims.

Claims (4)

1. the portable terminal that can control volume automatically, it is characterized in that, described terminal comprises a gravity sensor, comprise that also one obtains described portable terminal instantaneous acceleration by the interruption of described gravity sensor, and adjust the baseband chip of volume control value according to described instantaneous acceleration, described baseband chip connects described gravity sensor.

2. the portable terminal that can control volume automatically as claimed in claim 1 is characterized in that described baseband chip connects described gravity sensor by the I2C interface.

3. the portable terminal that can control volume automatically as claimed in claim 1 is characterized in that, described terminal comprises that also one is used for the Audio Players according to the controls playing sound of described baseband chip, and described Audio Players connects described baseband chip.

4. the portable terminal that can control volume automatically as claimed in claim 1 is characterized in that, described terminal comprises that also one is used for the display that the volume control value with described baseband chip adjustment shows, described display connects described baseband chip.

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