A method comprising: at a first electronic device having a microphone: sampling, with the microphone at the first electronic device, an audio input that specifies a task; identifying, with the first electronic device, a first confidence value indicative of a likelihood that the audio input was provided by a particular user; broadcasting, from the first electronic device, a first set of one or more values based on the sampled audio input to at least a second electronic device, wherein a first value of the first set of values corresponds to the first confidence value; receiving a second set of one or more values from the second electronic device, wherein the second set of one or more values is based on the audio input sampled at the second device, wherein a second value of the second set of values corresponds to a second confidence value indicative of a likelihood that the audio input was provided by the particular user; determining whether the first electronic device is to respond to the audio input based on whether the first value is higher than the second value; in accordance with a determination that the first electronic device is to respond to the audio input: determining, with the first electronic device, whether a type of the first electronic device meets a requirement of the task; and in accordance with a determination that the type of the first electronic device meets the requirement of the task: responding to the audio input; and in accordance with a determination that the first electronic device is not to respond to the audio input, foregoing responding to the audio input. sampling, with the microphone at the first electronic device, an audio input that specifies a task; identifying, with the first electronic device, a first confidence value indicative of a likelihood that the audio input was provided by a particular user; broadcasting, from the first electronic device, a first set of one or more values based on the sampled audio input to at least a second electronic device, wherein a first value of the first set of values corresponds to the first confidence value; receiving a second set of one or more values from the second electronic device, wherein the second set of one or more values is based on the audio input sampled at the second device, wherein a second value of the second set of values corresponds to a second confidence value indicative of a likelihood that the audio input was provided by the particular user; determining whether the first electronic device is to respond to the audio input based on whether the first value is higher than the second value; in accordance with a determination that the first electronic device is to respond to the audio input: determining, with the first electronic device, whether a type of the first electronic device meets a requirement of the task; and in accordance with a determination that the type of the first electronic device meets the requirement of the task: responding to the audio input; and determining, with the first electronic device, whether a type of the first electronic device meets a requirement of the task; and in accordance with a determination that the type of the first electronic device meets the requirement of the task: responding to the audio input; and in accordance with a determination that the first electronic device is not to respond to the audio input, foregoing responding to the audio input.