An audio device, comprising: a shell, at least one loudspeaker, a plurality of microphones located in a plurality of accommodation portions of the shell, at least one processor and a memory configured to store a computer program capable of running on the processor, wherein the processor is configured to run the computer program to execute the following operations: identifying audio signals obtained by the plurality of microphones and processing the audio signals; wherein the plurality of microphones are boundary microphones arranged on a bottom surface of the shell of the audio device, the at least one loudspeaker is arranged on a top surface of the shell of the audio device, wherein the bottom surface is opposite to the top surface; characterized in that: a distance between a first plane where the at least one loudspeaker is located and a second plane where the plurality of microphones are located is greater than a threshold value, wherein the threshold value is set such that a measured value of each of the audio signals received by a respective one of the plurality of microphones is lower than a sound pressure level measurement upper limit of the respective microphone when the at least one loudspeaker plays at a maximum volume; and the shell is provided with a plurality of first acoustic transmission holes, wherein each of the plurality of first acoustic transmission holes corresponds to each microphone of the plurality of microphones, the plurality of first acoustic transmission holes are located at a junction of the bottom surface and a lateral surface of the audio device, and the shell provided with the plurality of first acoustic transmission holes is formed with the plurality of accommodation portions, each accommodation portion having at least one reflective surface configured to reflect an audio signal, and the microphones are located in the plurality of accommodation portions. wherein the plurality of microphones are boundary microphones arranged on a bottom surface of the shell of the audio device, the at least one loudspeaker is arranged on a top surface of the shell of the audio device, wherein the bottom surface is opposite to the top surface; characterized in that: a distance between a first plane where the at least one loudspeaker is located and a second plane where the plurality of microphones are located is greater than a threshold value, wherein the threshold value is set such that a measured value of each of the audio signals received by a respective one of the plurality of microphones is lower than a sound pressure level measurement upper limit of the respective microphone when the at least one loudspeaker plays at a maximum volume; and the shell is provided with a plurality of first acoustic transmission holes, wherein each of the plurality of first acoustic transmission holes corresponds to each microphone of the plurality of microphones, the plurality of first acoustic transmission holes are located at a junction of the bottom surface and a lateral surface of the audio device, and the shell provided with the plurality of first acoustic transmission holes is formed with the plurality of accommodation portions, each accommodation portion having at least one reflective surface configured to reflect an audio signal, and the microphones are located in the plurality of accommodation portions. a distance between a first plane where the at least one loudspeaker is located and a second plane where the plurality of microphones are located is greater than a threshold value, wherein the threshold value is set such that a measured value of each of the audio signals received by a respective one of the plurality of microphones is lower than a sound pressure level measurement upper limit of the respective microphone when the at least one loudspeaker plays at a maximum volume; and the shell is provided with a plurality of first acoustic transmission holes, wherein each of the plurality of first acoustic transmission holes corresponds to each microphone of the plurality of microphones, the plurality of first acoustic transmission holes are located at a junction of the bottom surface and a lateral surface of the audio device, and the shell provided with the plurality of first acoustic transmission holes is formed with the plurality of accommodation portions, each accommodation portion having at least one reflective surface configured to reflect an audio signal, and the microphones are located in the plurality of accommodation portions.