# US 2010/0166196 A1 · Method for volume adaptation, mobile electronic device and computer program product using the method thereof

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- Number: US 2010/0166196 A1
- Document ID: US20100166196A1
- Status: Published application
- Kind: A1
- Application number: 12/479,044
- Filed: 2009-06-05
- Published: 2010-07-01
- Earliest claimed: 2008-12-29
- Assignees: Inventec Appliances Corp.
- Inventors: CHUN CHEN; Xu-Jun Qiu; Tony Tsai
- Web page: https://patentgrep.com/patent/US20100166196A1

## CPC

- H03G 3/32: the control being dependent upon ambient noise level or sound level
- H03G: CONTROL OF AMPLIFICATION

## Abstract

A method for volume adaptation, a mobile electronic device and a computer program product are disclosed. According to the method for volume adaptation, a sound producing function is started. At intervals, a present first environmental noise is sampled, a present set playing volume of the mobile electronic device is inquired about, and a second environmental noise occurring on setting the playing volume is obtained. Finally, the playing volume is adjusted according to the first environmental noise and the second environmental noise. In this way, the present invention is able to automatically adjust the playing volume thereof in response to the environmental noises of different times, which largely increases the convenience of using the mobile electronic device.

## Claims

### Claim 1

A method for volume adaptation, used for a mobile electronic device with a sound producing function, the method comprising:
starting the sound producing function;
at intervals, sampling a present first environmental noise, inquiring about a present set playing volume of the mobile electronic device, and obtaining a second environmental noise occurring on setting the playing volume; and
adjusting the playing volume according to the first environmental noise and the second environmental noise.

### Claim 2 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein the step of starting the sound producing function comprises:
playing a multimedia file by using the mobile electronic device.

### Claim 3 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein the step of starting the sound producing function comprises:
receiving or making a call by using the mobile electronic device.

### Claim 4 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein an interval between two times of sampling the first environmental noise corresponds to a type of function presently performed by the mobile electronic device.

### Claim 5 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein the step of sampling the first environmental noise comprises:
recording a sound by using a recording unit of the mobile electronic device; and
extracting the first environmental noise from the sound.

### Claim 6 (depends on 5)

The method for volume adaptation as claimed in claim 5, wherein the step of extracting the first environmental noise from the sound comprises:
analyzing a waveform of the sound to extract the first environmental noise.

### Claim 7 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein after the steps of sampling the first environmental noise, inquiring about the playing volume, and obtaining the second environmental noise, the method further comprises:
judging whether or not the first environmental noise is greater than or equal to the playing volume,
wherein the step of adjusting the playing volume is performed when the first environmental noise is judged to be greater than or equal to the playing volume.

### Claim 8 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein the step of adjusting the playing volume according to the first environmental noise and the second environmental noise comprises:
judging whether or not the first environmental noise is greater than or equal to the second environmental noise; and
when the first environmental noise is judged to be greater than or equal to the second environmental noise, adding a difference between the first environmental noise and the second environmental noise to the playing volume.

### Claim 9 (depends on 8)

The method for volume adaptation as claimed in claim 8, wherein after the step of judging whether or not the first environmental noise is greater than or equal to the second environmental noise, the method further comprises:
when the first environmental noise is judged to be less than the second environmental noise, adding the second environmental noise to the playing volume.

### Claim 10 (depends on 1)

The method for volume adaptation as claimed in claim 1, wherein the step of adjusting the playing volume according to the first environmental noise and the second environmental noise comprises:
adding a sum of the first environmental noise and the second environmental noise to the playing volume.

### Claim 11 (depends on 1)

The method for volume adaptation as claimed in claim 1, further comprising:
each time when setting the playing volume, sampling an environmental noise occurring in said each time; and
saving the environmental noise as the second environmental noise.

### Claim 12

A mobile electronic device, comprising:
a sound-producing unit, for starting a sound producing function;
a data collection unit, coupled to the sound-producing unit for, at intervals and when the sound producing function is started, sampling a present first environmental noise, inquiring about a present set playing volume of the mobile electronic device, and obtaining a second environmental noise occurring on setting the playing volume; and
an adjusting unit, coupled to the data collection unit for adjusting the playing volume according to the first environmental noise and the second environmental noise.

### Claim 13 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein the sound-producing unit comprises a multimedia file playing unit for playing a multimedia file.

### Claim 14 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein the sound-producing unit comprises a communication unit for receiving or making a call.

### Claim 15 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein an interval between two times of sampling the first environmental noise corresponds to a type of function presently performed by the mobile electronic device.

### Claim 16 (depends on 12)

The mobile electronic device as claimed in claim 12, further comprising:
a recording unit, coupled to the data collection unit for recording a sound, wherein the data collection unit extracts the first environmental noise from the recorded sound.

### Claim 17 (depends on 16)

The mobile electronic device as claimed in claim 16, wherein the data collection unit analyzes a waveform of the sound to extract the first environmental noise.

### Claim 18 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein the adjusting unit is used to judge whether or not the first environmental noise is greater than or equal to the playing volume and, when the first environmental noise is judged to be greater than or equal to the playing volume, the adjusting unit is used to adjust the playing volume according to the first environmental noise and the second environmental noise.

### Claim 19 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein the adjusting unit is used to judge whether or not the first environmental noise is greater than or equal to the second environmental noise and, when the first environmental noise is judged to be greater than or equal to the second environmental noise, the adjusting unit is used to add a difference between the first environmental noise and the second environmental noise to the playing volume.

### Claim 20 (depends on 19)

The mobile electronic device as claimed in claim 19, wherein when the first environmental noise is judged to be less than the second environmental noise, the adjusting unit is used to add the second environmental noise to the playing volume.

### Claim 21 (depends on 12)

The mobile electronic device as claimed in claim 12, wherein the adjusting unit is used to add a sum of the first environmental noise and the second environmental noise to the playing volume.

### Claim 22 (depends on 12)

The mobile electronic device as claimed in claim 12, further comprising:
a storage unit, coupled to the data collection unit, wherein each time when setting the playing volume, the data collection unit is used to sample an environmental noise occurring in said each time and to save the environmental noise as the second environmental noise into the storage unit.

### Claim 23

A computer program product, comprising at least a program instruction, wherein the program instruction is to be loaded into a mobile electronic device having a sound producing function for performing the following steps:
starting the sound producing function;
at intervals, sampling a present first environmental noise, inquiring about a present set playing volume of the mobile electronic device, and obtaining a second environmental noise occurring on setting the playing volume; and
adjusting the playing volume according to the first environmental noise and the second environmental noise.

### Claim 24 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to play a multimedia file when the sound producing function is started.

### Claim 25 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to receive or make a call when the sound producing function is started.

### Claim 26 (depends on 23)

The computer program product as claimed in claim 23, wherein an interval between two times of sampling the first environmental noise corresponds to a type of function presently performed by the mobile electronic device.

### Claim 27 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to record a sound through a recording unit and to extract the first environmental noise from the sound, when the first environmental noise is sampled.

### Claim 28 (depends on 27)

The computer program product as claimed in claim 27, wherein the program instruction directs the mobile electronic device to analyze a waveform of the sound to extract the first environmental noise when extracting the first environmental noise from the sound.

### Claim 29 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to judge whether or not the first environmental noise is greater than or equal to the playing volume and, when the first environmental noise is judged to be greater than or equal to the playing volume, to adjust the playing volume according to the first environmental noise and the second environmental noise, after the steps of sampling the first environmental noise, inquiring about the playing volume and obtaining the second environmental noise.

### Claim 30 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to judge whether or not the first environmental noise is greater than or equal to the second environmental noise and, when the first environmental noise is judged to be greater than or equal to the second environmental noise, to add a difference between the first environmental noise and the second environmental noise to the playing volume, when adjusting the playing volume according to the first environmental noise and the second environmental noise.

### Claim 31 (depends on 30)

The computer program product as claimed in claim 30, wherein when the first environmental noise is judged to be less than the second environmental noise, the program instruction directs the mobile electronic device to add the second environmental noise to the playing volume, after the step of judging whether or not the first environmental noise is greater than or equal to the second environmental noise.

### Claim 32 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to add a sum of the first environmental noise and the second environmental noise to the playing volume, when adjusting the playing volume according to the first environmental noise and the second environmental noise.

### Claim 33 (depends on 23)

The computer program product as claimed in claim 23, wherein the program instruction directs the mobile electronic device to sample an environmental noise occurring in each time when setting the playing volume and to save the environmental noise as the second environmental noise.
