An audio transmission method performed by a first electronic device, wherein the first electronic device is connected to a second electronic device through wireless communication, the second electronic device comprises a first channel playback apparatus and a second channel playback apparatus, comprising: obtaining target audio, and decoding the target audio into a first channel audio signal and a second channel audio signal; and transmitting the first channel audio signal to the first channel playback apparatus through an Ultra Wide Band transport protocol, and transmitting the second channel audio signal to the second channel playback apparatus through the Ultra Wide Band transport protocol; and characterised in that the transmitting the first channel audio signal to the first channel playback apparatus through an Ultra Wide Band transport protocol, and transmitting the second channel audio signal to the second channel playback apparatus through the Ultra Wide Band transport protocol comprises: in a case that the transmission bandwidth required for transmitting the first channel audio signal and the second channel audio signal is greater than the preset bandwidth, transmitting a part of the first channel audio signal in a first bandwidth to the first channel playback apparatus through the Ultra Wide Band transport protocol, and transmitting another part of the first channel audio signal in a second bandwidth to the first channel playback apparatus through a Bluetooth transport protocol; and transmitting a part of the second channel audio signal in a third bandwidth to the second channel playback apparatus through the Ultra Wide Band transport protocol, and transmitting another part of the second channel audio signal in a fourth bandwidth to the second channel playback apparatus through a Bluetooth transport protocol, wherein a sum of the first bandwidth and the second bandwidth is a bandwidth required for transmitting the first channel audio signal; and a sum of the third bandwidth and the fourth bandwidth is a bandwidth required for transmitting the second channel audio signal. obtaining target audio, and decoding the target audio into a first channel audio signal and a second channel audio signal; and transmitting the first channel audio signal to the first channel playback apparatus through an Ultra Wide Band transport protocol, and transmitting the second channel audio signal to the second channel playback apparatus through the Ultra Wide Band transport protocol; and characterised in that the transmitting the first channel audio signal to the first channel playback apparatus through an Ultra Wide Band transport protocol, and transmitting the second channel audio signal to the second channel playback apparatus through the Ultra Wide Band transport protocol comprises: in a case that the transmission bandwidth required for transmitting the first channel audio signal and the second channel audio signal is greater than the preset bandwidth, transmitting a part of the first channel audio signal in a first bandwidth to the first channel playback apparatus through the Ultra Wide Band transport protocol, and transmitting another part of the first channel audio signal in a second bandwidth to the first channel playback apparatus through a Bluetooth transport protocol; and transmitting a part of the second channel audio signal in a third bandwidth to the second channel playback apparatus through the Ultra Wide Band transport protocol, and transmitting another part of the second channel audio signal in a fourth bandwidth to the second channel playback apparatus through a Bluetooth transport protocol, wherein a sum of the first bandwidth and the second bandwidth is a bandwidth required for transmitting the first channel audio signal; and a sum of the third bandwidth and the fourth bandwidth is a bandwidth required for transmitting the second channel audio signal.