export type MicFormat = "f32le" | "s16le";
export declare function listWindowsAudioDevices(): string[];
export declare function getAudioInputArgs(): string[];
export interface StartMicrophoneOptions {
    sampleRate: number;
    format: MicFormat;
}
export declare function startMicrophone(options: StartMicrophoneOptions): import("child_process").ChildProcessByStdio<null, import("stream").Readable, null>;
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