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Method and device for increasing volume of received voice and mobile terminal

A loudness and voice technology, applied in the field of noise processing, can solve problems such as difficult to hear the other party's voice, and achieve the effect of improving call satisfaction

Active Publication Date: 2014-06-18
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technical effect of this patented system is how it uses double microphones or similar techniques to reduce unwanted sounds from being transmitted into our ear canal during phone calls while still providing clear sound reception at both parties involved. This improves overall communication quality by making sure each person receives their own voices even when they are talking over another line without interfering too much.

Problems solved by technology

The technical problem addressed in this patented text relates to improving how loudly ambient sounds like cars during conversations with another person may affect their ability for clear speech despite being outside them.

Method used

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  • Method and device for increasing volume of received voice and mobile terminal
  • Method and device for increasing volume of received voice and mobile terminal
  • Method and device for increasing volume of received voice and mobile terminal

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Embodiment 1

[0039] Such as figure 1 As shown, the embodiment of the present invention provides a method for enhancing the loudness of received speech including the following steps:

[0040] S101. Collect a first sound signal by using a first microphone, and collect a second sound signal by a second microphone.

[0041] Wherein, the first microphone is set at the position where the mobile terminal normally talks, and the second microphone is set at the top or back of the mobile terminal, at least 10 centimeters away from the first microphone. The first sound signal includes the user's voice signal and the background noise signal received by the first microphone; the second sound signal includes the user's second voice signal and the background noise signal received by the second microphone.

[0042] Specifically, the first sound signal (denoted as Signal MIC1 ) includes the first user voice signal received by the first microphone (denoted as Signal MIC1_voice ) and the first background ...

Embodiment 2

[0056] See also figure 1 , the second embodiment is further optimized on the basis of the first embodiment: in step S104, determining the audio receiving frequency response curve according to the intensity of the background noise signal also includes: when the intensity of the background noise signal is greater than the preset noise intensity threshold, and the receiving mode is not the maximum volume, adjust the volume to the maximum volume. This ensures that when the audio reception frequency response curve of the preset noise environment is selected to process the audio received in the downlink direction, the quality of the received sound signal can be guaranteed on the basis of improving the loudness.

Embodiment 3

[0058] Such as Figure 4 As shown, a device for enhancing the loudness of received speech provided by an embodiment of the present invention includes the following modules:

[0059] Sound collection module 10, is used for collecting the first sound signal by the first microphone, and the second microphone collects the second sound signal;

[0060] The signal processing module 20 is configured to process the first sound signal and the second sound signal, and filter out user voice signals.

[0061] Wherein, the signal processing module 20 is used for converting the second sound signal into an opposite signal, superimposing and canceling with the first sound signal, and filtering out the user voice signal.

[0062] Specifically, through the dual-microphone noise reduction algorithm, the sound wave entering the second microphone is converted into an opposite sound wave to cancel the sound wave of the first microphone, and then the voice signal received by the first microphone is...

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Abstract

The invention discloses a method and device for increasing the volume of received voice and a mobile terminal and belongs to the technical field of noise processing. The method comprises the steps that a first voice signal is collected through a first microphone and a second voice signal is collected through a second microphone; the first voice signal and the second voice signal are processed, so that a user voice signal is obtained through filtration; according to the user voice signal, the intensity of a background noise signal is estimated; according to the intensity of the background noise signal, a voice frequency receiving frequency response curve is determined. By the adoption of the method and device, on the basis of the double-microphone noise reduction technology, the intensity of the background noise signal is estimated, the proper voice frequency receiving frequency response curve is selected according to the intensity of the background noise signal so that the volume of voice of an opposite side can be increased, a user can hear the voice of the opposite side clearly in a noisy environment, and the communication satisfaction degree can be improved.

Description

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Claims

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Application Information

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Owner NUBIA TECHNOLOGY CO LTD
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