Audio playback method, audio playback device, and storage medium
View Patent ↗The present disclosure discloses an audio playback method, an audio playback device, a computer-readable storage medium. The audio playback method includes: obtaining a noise signal; obtaining a noise canceling signal by performing a noise reduction process on the noise signal; and playing a low-frequency portion of the noise canceling signal through a first speaker.
1 . An audio playback method, comprising:
obtaining a noise signal;
obtaining a noise canceling signal by performing a noise reduction process on the noise signal; and
playing a low-frequency portion of the noise canceling signal through a first speaker;
wherein the playing a low-frequency portion of the noise canceling signal through a first speaker comprises:
obtaining the low-frequency portion of the noise canceling signal by filtering the noise canceling signal, and playing the low-frequency portion of the noise canceling signal through the first speaker; or
playing the low-frequency portion of the noise canceling signal through device characteristics of the first speaker, wherein the device characteristics of the first speaker are configured to cause the first speaker to meet a preset low-frequency output condition;
wherein the device characteristics of the first speaker comprise acoustic resistance characteristics of a horn acoustic aperture tuning network and/or damping characteristics of a diaphragm material of the first speaker.
2 . The method according to claim 1 , in response to an audio signal to be played existing, further comprising:
obtaining the audio signal to be played;
obtaining a fused audio signal by fusing the audio signal to be played with the noise canceling signal; and
playing a low frequency portion of the fused audio signal through the first speaker.
3 . The method according to claim 2 , further comprising:
playing a high-frequency portion of the audio signal to be played through a second speaker.
4 . The method according to claim 3 , wherein the playing a high-frequency portion of the audio signal to be played through a second speaker comprises:
obtaining the high-frequency portion of the audio signal to be played by filtering the audio signal to be played, and playing the high-frequency portion of the audio signal to be played through the second speaker; or
playing the high-frequency portion of the audio signal to be played through device characteristics of the second speaker, wherein the device characteristics of the second speaker are configured to cause the second speaker to meet a preset high-frequency output condition.
5 . The method according to claim 4 , wherein the high-frequency output condition comprises that a frequency band of an output signal of the second speaker lies within a preset high-frequency band.
6 . The method according to claim 4 , wherein the device characteristics of the second speaker comprise at least one of a type of a diaphragm material, a Young's modulus of the diaphragm material, damping characteristics of the diaphragm material, a mass of a vibration system of the speaker, and a coil size of the speaker.
7 . The method according to claim 3 , wherein an acoustic pressure of the output signal of the second speaker is higher than an acoustic pressure of an output signal of the first speaker.
8 . The method according to claim 1 , wherein the low-frequency output condition comprises that a frequency band of an output signal of the first speaker lies within a preset low-frequency band, and that the output signal of the first speaker has a characteristic of a high low-frequency amplitude and a flat mid-frequency amplitude.
9 . The method according to claim 8 , wherein the low-frequency output condition further comprises that an acoustic pressure change amount of the output signal of the first speaker is less than a preset threshold value.
10 . An audio playback device, comprising a first speaker, a processor, and a memory; wherein the memory is configured to store a computer program, and the processor is configured to call and run the computer program stored in the memory to perform:
obtaining a noise signal;
obtaining a noise canceling signal by performing a noise reduction process on the noise signal; and
playing a low-frequency portion of the noise canceling signal through a first speaker;
wherein the playing a low-frequency portion of the noise canceling signal through a first speaker comprises:
obtaining the low-frequency portion of the noise canceling signal by filtering the noise canceling signal, and playing the low-frequency portion of the noise canceling signal through the first speaker; or
playing the low-frequency portion of the noise canceling signal through device characteristics of the first speaker, wherein the device characteristics of the first speaker are configured to cause the first speaker to meet a preset low-frequency output condition;
wherein the device characteristics of the first speaker comprise acoustic resistance characteristics of a horn acoustic aperture tuning network and/or damping characteristics of a diaphragm material of the first speaker.
11 . The audio playback device according to claim 10 , in response to an audio signal to be played existing, further comprising:
obtaining the audio signal to be played;
obtaining a fused audio signal by fusing the audio signal to be played with the noise canceling signal; and
playing a low frequency portion of the fused audio signal through the first speaker.
12 . The audio playback device according to claim 11 , wherein the processor is further configured to perform:
playing a high-frequency portion of the audio signal to be played through a second speaker.
13 . The audio playback device according to claim 12 , wherein the playing a high-frequency portion of the audio signal to be played through a second speaker comprises:
obtaining the high-frequency portion of the audio signal to be played by filtering the audio signal to be played, and playing the high-frequency portion of the audio signal to be played through the second speaker; or
playing the high-frequency portion of the audio signal to be played through device characteristics of the second speaker, wherein the device characteristics of the second speaker are configured to cause the second speaker to meet a preset high-frequency output condition.
14 . The audio playback device according to claim 10 , wherein the low-frequency output condition comprises that a frequency band of an output signal of the first speaker lies within a preset low-frequency band, and that the output signal of the first speaker has a characteristic of a high low-frequency amplitude and a flat mid-frequency amplitude.
15 . The audio playback device according to claim 14 , wherein the low-frequency output condition further comprises that an acoustic pressure change amount of the output signal of the first speaker is less than a preset threshold value.
16 . A non-transitory computer-readable storage medium, storing an instruction; wherein the instruction is executable by a processor to perform:
obtaining a noise signal;
obtaining a noise canceling signal by performing a noise reduction process on the noise signal; and
playing a low-frequency portion of the noise canceling signal through a first speaker;
wherein the playing a low-frequency portion of the noise canceling signal through a first speaker comprises:
obtaining the low-frequency portion of the noise canceling signal by filtering the noise canceling signal, and playing the low-frequency portion of the noise canceling signal through the first speaker; or
playing the low-frequency portion of the noise canceling signal through device characteristics of the first speaker, wherein the device characteristics of the first speaker are configured to cause the first speaker to meet a preset low-frequency output condition;
wherein the device characteristics of the first speaker comprise acoustic resistance characteristics of a horn acoustic aperture tuning network and/or damping characteristics of a diaphragm material of the first speaker.