Method for adaptively adjusting sound volume of player based on user distance

An adaptive adjustment and sound volume technology, applied in short-distance communication services, transducer shells/cabinets/stands, transmission systems, etc. The effect of avoiding hearing discomfort, facilitating rational utilization, and avoiding hearing damage

Pending Publication Date: 2020-08-07
宋彦震
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current system of smart home system control is in its infancy, and many detailed issues have not been handled well.
For example, existing speakers cannot adaptively adjust the volume according to the distance between the user and the speaker

Method used

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  • Method for adaptively adjusting sound volume of player based on user distance
  • Method for adaptively adjusting sound volume of player based on user distance
  • Method for adaptively adjusting sound volume of player based on user distance

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0049] Such as figure 1 , figure 2 and image 3 .

[0050] First establish the volume level-distance interval correspondence table, and then use the signal strength during communication to calculate the distance between the mobile phone / smart wearable device and the smart speaker in real time; then, the initial volume set by the user at the initial position and the user at the initial position record the initial distance from the smart speaker; then input the initial distance into the volume level-distance interval correspondence table to obtain the corresponding volume level of the user at the initial position, and match the initial volume set by the user at the initial position with the corresponding value in the table The volume level is compared, the correction coefficient is determined, and the volume level is enlarged or reduced, so as to automatically adjust the volume level-distance interval correspondence table according to the user's volume preference.

[0051] D...

no. 2 example

[0058] Such as figure 1 , Curve a is the sound attenuation curve with the propagation distance. Since the sound is attenuated in the process of propagating in the air, the farther the propagation distance is, the greater the attenuation of the sound amplitude is.

[0059] Such as figure 1 , Curve b is the compensation curve of sound with propagation distance, and curve c is the sound curve after compensation; due to the attenuation of sound in the process of propagating in the air, the farther the propagation distance is, the greater the attenuation of sound amplitude is, and the attenuation of curve b with distance The magnitude of the sound amplitude coincides with the curve c.

[0060] Depend on figure 1 As can be seen in Figure C, through sound compensation, when the user is within a certain distance range, the user can hear the sound of the same volume from the smart speaker at different distances. For example, when the user is 3 meters, 7 meters, and 13 meters away fr...

no. 3 example

[0062] The operation steps are as follows.

[0063] When using, the user first turns on the smart speaker to play music, and then sets the appropriate volume level through the mobile phone / smart wearable device according to his current location. After the user sets the volume level, the mobile phone / smart wearable device in the user's hand will set the volume The volume level and size data information is transmitted to the smart speaker through wireless communication. The smart speaker calculates the distance between the user and the smart speaker according to the signal strength of the user's mobile phone / smart wearable device. At this time, the smart speaker obtains the volume set by the user at the initial position. Level size and the distance from the smart speaker. Then, the smart speaker inputs the distance between the user and the smart speaker into the volume level-distance interval correspondence table to find the theoretical volume level corresponding to the current d...

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Abstract

The invention discloses a method for adaptively adjusting sound volume of a player based on user distance. The method comprises the following steps of: firstly, establishing a volume level-distance interval corresponding relation table, and then calculating the distance between a mobile phone/intelligent wearable equipment and an intelligent sound box in real time by utilizing signal intensity during communication; secondly, recording initial volume set by the user at an initial position and initial distance between the user at the initial position and the intelligent sound box; and inputtingthe initial distance into the volume level-distance interval corresponding relation table to obtain a volume level corresponding to the initial position of the user. Through comparing the initial volume set by the user at the initial position with a corresponding volume level in the table, a correction coefficient is determined, and the volume level is amplified and corrected, so that the volume level-distance interval corresponding relation table is automatically adjusted according to the volume preference of the user, therefore, the volume of the intelligent sound box is adaptively adjustedaccording to the distance between the user and the intelligent sound box, and the user can hear the sound with the same volume within a certain range away from the intelligent sound box. The method issimple in operation, convenient to use, saves energy and is environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of smart home, in particular to a method for adaptively adjusting the sound volume of a player based on user distance. Background technique [0002] When using a smart speaker to play music, the user will first set an appropriate volume according to his current location. In the process of using a smart speaker to play music, the user often leaves the original location to a place closer or farther away from the speaker. Since the distance between the user and the smart speaker changes during the moving process, the volume of the sound played by the user hearing the smart speaker changes synchronously. [0003] When the distance between the user and the smart speaker is too small, too loud sound will often cause discomfort to the user and damage the user's hearing; The sound affects the user's listening experience. [0004] After the distance between the user and the smart speaker changes, it is necessary to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/80H04L12/28H04R1/04
CPCH04W4/80H04L12/2812H04L12/2814H04R1/04Y02D30/70
Inventor 宋彦震
Owner 宋彦震
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