import Foundation public enum AudioSource: String, Equatable { case microphone case system } public struct PCMFrame: Equatable { public let source: AudioSource public let sampleRate: Int public let channels: Int public let pcmS16LE: Data public let timestamp: Date public init(source: AudioSource, sampleRate: Int, channels: Int, pcmS16LE: Data, timestamp: Date = Date()) { self.source = source self.sampleRate = sampleRate self.channels = channels self.pcmS16LE = pcmS16LE self.timestamp = timestamp } }