let voiceResource = AVAssetTrackResource(asset: asset)
if videoTimelineView.duration <= ((voiceOvers[currentVoiceOver]?.startTime ?? 0.0) + asset.duration.seconds) {
voiceResource.selectedTimeRange = CMTimeRange(start: .zero, duration: CMTime(seconds: asset.duration.seconds, preferredTimeScale: 10))
}
item.identifier = voiceOvers[currentVoiceOver]?.name ?? ""
item.startTime = CMTime(seconds: voiceOvers[currentVoiceOver]?.startTime ?? 0.0, preferredTimescale: 10)