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  • Software
    Software
    One software set on every Brainsalt server: Backstage builds and runs the show, Calibrator keeps the projection aligned, Conductor programs everything that moves, and Brainsalt Hub sets the server up and manages it.
    • Backstage
      Core Media Server Software
      • Calibrator
        Camera Based Calibration of Multi-Channel Projection
        • Conductor
          Lighting, automation, motion, audio and serial devices drawn as curves on one timeline.
          • Brainsalt Hub
            System Setup and Management
          • Servers
            Servers
            Media servers with up to 30 GB/s internal bandwidth and up to sixteen 4K or four 8K signal outputs, built for venues that open every day of the year.
            • B8/B9 Series Server
              Three models: Compact, Entry and Pro. Up to 30 GB/s internal bandwidth and up to sixteen 4K or four 8K outputs, with the comparison table to choose between them.
              • Server Configurator
                Find a B8/B9 Series Server based on required Bandwidth and physical Outputs
                • Server Add-Ons
                  Optional Add-ons for B8/B9 Series Server
                  • Conductor
                    Show and F/X Programming with Support for Various Device Vendors
                  • Showcases
                  • Company
                    Company
                    • About Us
                      Founded in 2005, Brainsalt makes media servers and the software that runs on them for installations that open every day - and guarantees the bandwidth it specifies.
                      • Code of Conduct
                        Principles, application of and compliance with our Code of Conduct
                        • Privacy Regulation
                          Company Privacy Regulation
                          • Imprint
                            Company Details
                          • Downloads
                          • Support
                          • Overview
                          • Start Here
                          • Brainsalt Hub - Set Up and Manage the Server
                            • Getting Started with Brainsalt Hub
                              • What is Brainsalt Hub?
                              • Use the Brainsalt Hub Desktop App
                              • Discover Servers on the Network
                              • Sign In to a Server for the First Time
                            • Server Configuration
                              • Configure Server Network Settings
                              • Display and GPU Configuration
                                • Force an EDID onto a Display Output
                                • Set Output Color Format, Bit Depth and Range
                                • Enable Genlock
                                • Create a Mosaic Display Grid
                                • Add a Virtual Monitor
                                • Remove Outputs from the Windows Desktop
                                • Display Startup Options and Resetting the Display Configuration
                              • Manage Users and Roles
                              • Back Up and Restore Server Configuration
                            • Operation & Monitoring
                              • Monitor Server Health and Hardware Status
                              • Check GPU Output Signal Status
                              • Control Server Power
                            • Remote Access to a Server
                              • Access the BMC KVM Console from Brainsalt Hub
                              • Control Backstage from a Web Browser (Remote UI)
                            • The Server Front Panel
                          • Backstage - Build and Run the Show
                            • Getting Started
                              • Use Workviews to Save Window Layouts
                              • Use Guidance and Tooltips
                              • Your First Project
                            • Workflow
                              • Scene
                                • Create a Display
                                • Create an Additional Mapping on a Display
                                • Panoramic Projection - Projection Wizard
                                • Create Scene for Projection, optionally Stereoscopic
                                • Edit Mappings
                                  • Frustum Projection Mapping
                                • Scene: More Options
                                  • Preview LED Content in the Scene View (LED Simulation)
                                  • Export a Surface as an OBJ File
                                  • Pin a Pixel Map Raster Mapping on a Display
                                  • Annotation / Collaboration Tool
                                • Share a Mapping Across Surfaces
                                • Import an E57 Point Cloud Scan
                                • Dome Projection - Projection Wizard
                              • Output
                                • Route Projectors and Displays to Outputs (Video Routing)
                                • Create an Audio Device and Route Audio
                                • Add a Matrix Mixer
                                • Set Up ArtNet and sACN Pixel Output
                                • Output: More Options
                                  • Record Output to File
                                  • Recover an Output When a Monitor Is Unplugged or Moved (Ghost Outputs)
                                  • Enable or Disable an Output
                                  • Use a videosplitter with Backstage (f.e. FX4)
                                • Choose the Render GPU
                              • Warp, Blend & Black Level
                                • Configure Projector Warping (Mesh Warp)
                                • Set up a manual panorama projection
                                • Use Camera Calibration (CalibratorLite)
                                • Blend Multiple Projectors
                                • Warp, Blend, Black Level: More Options
                                  • Apply a Blend Mask to an Output
                                  • Setting Up Scalable Display Manager for Media Server Integration with Backstage
                                  • Dome Projection with Spherical Distortion Lenses and Calibrator
                                  • Compensate Projector Blacklevel with Calibrator
                                • Correct LED Panels After Calibration
                              • Content
                                • Convert Media with the Drop Converter
                                • Import Video & Audio Assets
                                • Replace an Asset in an existing Installation
                                • Import Multiple Media Files at Once
                                • Receive an NDI Stream
                                • Set Up DeckLink (Blackmagic Design) Capture and Output
                                • Capture a Virtual Monitor
                                • Render from Unity into Backstage
                                • Content: More Options
                                  • Combine multiple Capture Inputs to one Asset
                                • Capture a Virtual Audio Input
                              • Playback
                                • Create a Sequence and Add Content
                                • Video and Audio Channel Transitions in Sequence
                                • Orchestrate Multiple Sequences with Stepper
                                • Use the Broadcast Scheduler
                                • Playback: More Options
                                  • Sync to Timecode (LTC)
                                  • Send Timecode from Backstage
                                  • Synchronize Playback Across Multiple Servers (PTP & Observer)
                              • Remote Control
                                • Enable and Configure the Show-Control Protocol
                                • Control Backstage via OSC
                                • Control Backstage with the Bitfocus Companion Module
                                • ArtNet and sACN encode/decode
                                • Build and Serve Web Pages with the Web Console
                                • Control Playback via UDP
                                • Drive Backstage Headlessly with the Automation API
                                • Use Backstage as a Companion Satellite Surface
                              • Node Editor
                                • Your First Graph
                                • Build a Presenter Area
                                • Use Node Editor Templates
                              • Monitoring
                                • Read the Performance Overview
                                • Set up Content Replication between Backstage servers
                              • Conductor
                                • Link Conductor to Backstage
                                • Control Conductor channels through Node Editor
                            • Examples
                              • Panorama Projection with Calibrator Lite
                              • Stereoscopic (3D) Workflow
                              • Map and Simulate an LED Facade on a Building
                              • Play a Video on Multiple Displays
                              • Dynamically Play Audio Files from a Drive
                              • Capture and Re-map a Video Stream
                              • Play a Video on a Segmented LED Screen
                              • Sync Playback Between 2 Video Servers
                              • Play 3D Content with 2 Projectors
                              • Create L-Shaped LED wall
                              • Get a Video on Screen fast
                            • Concepts
                              • What is Backstage?
                              • How Backstage Thinks
                              • User Interface
                              • How Backstage keeps time
                              • Color Spaces, Color Primaries, and Transfer Functions
                              • How Backstage drives lighting
                            • Reference
                              • Interface
                                • Scene Objects
                                  • (Main) Group
                                  • Device
                                    • Projector
                                    • Display
                                    • Device Default Properties
                                  • Surface
                                    • Imported 3D model
                                    • Plane
                                    • Disc
                                    • Dome
                                    • Cylinder
                                    • Cube
                                    • Sphere
                                    • Torus
                                    • Surface Default Properties
                                  • Label
                                  • View
                                • Assets
                                  • Test Images
                                  • Image
                                  • Image Sequence
                                  • Video
                                  • Audio
                                  • NDI
                                  • Capture Input
                                  • Spout
                                  • Unity
                                  • Asset Folder
                                  • Tracking Calibration
                                  • Crop & Combine
                                  • Stereo Channel Container
                                  • Pre-Warped Container
                                  • Visual Assets Default Properties
                                • Outputs
                                  • Visual Output Default Properties
                                  • GPU Output
                                  • Audio Output
                                  • Audio Mixer
                                  • NDI Output
                                  • Shared Memory Output
                                  • Shared Texture Output
                                  • Recording Output
                                  • Dummy Output
                                  • Screenshot
                                • Scene View
                                • Node Editor Window
                                • Routing Windows
                                  • Audio Routing Window
                                  • Video Routing Window
                                  • NDI Routing Window
                                • Output View
                                • Output Warping
                                • Sequencer
                                  • Video Channel
                                  • Audio Channel
                                • Performance Overview
                                • Log
                                • Settings
                                • Inspector
                                • Surface/Projector Assignment
                                • Stepper
                                • Broadcast Scheduler
                                • Web Consoles
                                • DMX Mapping
                                • Calibrator Lite
                                • Page Editor
                                • The AI Assistant
                              • Node Reference
                                • Nodes: Asset
                                  • Asset:DataAsset
                                  • Asset:LocalPage
                                  • Asset:Properties
                                  • Asset:RenderAsset
                                  • Asset:RenderColour
                                  • Asset:RenderText
                                  • Asset:RenderTimecode
                                  • Asset:WebPage
                                • Nodes: Audio
                                  • Audio:AmbisonicMixer
                                  • Audio:DelayMixer
                                  • Audio:DeviceList
                                  • Audio:FileEncode
                                  • Audio:InitDevice
                                  • Audio:LTCStream
                                  • Audio:MatrixMixer
                                  • Audio:Output
                                  • Audio:Stream
                                • Nodes: Brainsalt
                                  • Brainsalt:AutoAlignmentControlPatch
                                  • Brainsalt:BrainsaltDisplay
                                  • Brainsalt:Calibrator
                                  • Brainsalt:CalibratorLite
                                  • Brainsalt:ClusterSlaveLegacy
                                  • Brainsalt:CollaborationServer
                                  • Brainsalt:ConductorInputController
                                  • Brainsalt:CopyClientControl
                                  • Brainsalt:MediaManagerLiveView
                                  • Brainsalt:MovieLicensingSystem
                                  • Brainsalt:PlaymakerCommandConverter
                                  • Brainsalt:PlaymakerProgressEmulator
                                  • Brainsalt:SynchronizeConductorLegacy
                                  • Brainsalt:TrackingCalibration
                                • Nodes: Capture
                                  • Capture:Datapath
                                • Nodes: Connect
                                  • Connect:GoogleCalendar
                                  • Connect:Office365Calendar
                                  • Connect:WebRequest
                                • Nodes: Control
                                  • Control:Contains
                                  • Control:Desync
                                  • Control:FlancGate
                                  • Control:ForN
                                  • Control:GetN
                                  • Control:InjectN
                                  • Control:LoadBang
                                  • Control:LogicGate
                                  • Control:MergeN
                                  • Control:NGate
                                  • Control:Select
                                  • Control:ShutdownBang
                                  • Control:Switch
                                  • Control:SwitchCase
                                  • Control:Sync
                                  • Control:SyncControl
                                  • Control:Toggle
                                  • Control:Trigger
                                  • Control:UnloadBang
                                • Nodes: Datatype
                                  • Datatype:0
                                  • Datatype:1
                                  • Datatype:Bang
                                  • Datatype:BitMatrix
                                  • Datatype:Color
                                  • Datatype:Converter
                                  • Datatype:Float
                                  • Datatype:HexString
                                  • Datatype:Int
                                  • Datatype:Pack
                                  • Datatype:ResourceId
                                  • Datatype:Samples
                                  • Datatype:Signal
                                  • Datatype:String
                                  • Datatype:Timestamp
                                • Nodes: Filesystem
                                  • Filesystem:Delete
                                  • Filesystem:FileInfo
                                  • Filesystem:FileWatcher
                                  • Filesystem:Glob
                                  • Filesystem:Path
                                  • Filesystem:ReadBinaryFile
                                  • Filesystem:ReadSRTFile
                                  • Filesystem:ReadTextFile
                                • Nodes: Generate
                                  • Generate:RandomNumber
                                  • Generate:SignalGenerator
                                • Nodes: IO
                                  • IO:Serial
                                • Nodes: Math
                                  • Math:^
                                  • Math:<
                                  • Math:<=
                                  • Math:==
                                  • Math:>
                                  • Math:>=
                                  • Math:-
                                  • Math:!=
                                  • Math:/
                                  • Math:*
                                  • Math:%
                                  • Math:+
                                  • Math:Abs
                                  • Math:BinaryOperation
                                  • Math:Clamp
                                  • Math:Compare
                                  • Math:Count
                                  • Math:D1
                                  • Math:Expr
                                  • Math:Map
                                  • Math:TimestampToFrame
                                • Nodes: Meta
                                  • Meta:Deserialize
                                  • Meta:Input
                                  • Meta:Output
                                  • Meta:Patch
                                  • Meta:Serialize
                                • Nodes: Network
                                  • Network:ArtNetDecode
                                  • Network:ArtNetEncode
                                  • Network:ArtNetPoll
                                  • Network:CanBindMulticast
                                  • Network:NICList
                                  • Network:NICObserver
                                  • Network:OSCDecode
                                  • Network:OSCEncodeMessage
                                  • Network:OSCEncodePack
                                  • Network:PackOSC
                                  • Network:PJLinkControl
                                  • Network:PJLinkStatus
                                  • Network:RemoteControlIn
                                  • Network:RemoteControlOut
                                  • Network:sACNDecode
                                  • Network:sACNEncode
                                  • Network:TCPClient
                                  • Network:TCPServer
                                  • Network:UDPConnection
                                  • Network:UDPMulticast
                                  • Network:UDPReceiver
                                  • Network:UDPSender
                                  • Network:UnpackOSC
                                  • Network:ZMQSocket
                                • Nodes: NDI
                                  • NDI:NDIOutputMonitoring
                                  • NDI:PTZ Extract
                                  • NDI:PTZ Inject
                                • Nodes: Outputs
                                  • Outputs:Disable
                                  • Outputs:MeshWarping
                                  • Outputs:Screenshot
                                  • Outputs:SharedTextureSelect
                                • Nodes: Process
                                  • Process:Filter
                                  • Process:SamplesToFloatstream
                                • Nodes: Resource
                                  • Resource:List
                                • Nodes: Scene
                                  • Scene:Performance
                                  • Scene:ProjectorTarget
                                  • Scene:Properties
                                  • Scene:SurfaceMapping
                                  • Scene:TransformGroup
                                • Nodes: Sequence
                                  • Sequence:ActionOn
                                  • Sequence:Announcer
                                  • Sequence:BroadcastScheduler
                                  • Sequence:FrameServer
                                  • Sequence:GetBroadcastScheduler
                                  • Sequence:GetSequence
                                  • Sequence:GetSequenceStatus
                                  • Sequence:GetStepper
                                  • Sequence:NMux
                                  • Sequence:Observer
                                  • Sequence:ObserverRegistry
                                  • Sequence:Properties
                                  • Sequence:Sequence
                                  • Sequence:SequenceCommander
                                  • Sequence:SimpleSequencer
                                  • Sequence:Stepper
                                  • Sequence:StepperCommander
                                  • Sequence:StepperFeedback
                                • Nodes: String
                                  • String:Append
                                  • String:Builder
                                  • String:Decompress
                                  • String:Find
                                  • String:FindIP
                                  • String:FindNumber
                                  • String:FromJson
                                  • String:Length
                                  • String:Prepend
                                  • String:RegexMatch
                                  • String:RegexReplace
                                  • String:Route
                                  • String:SubString
                                  • String:ToJson
                                • Nodes: System
                                  • System:Exec
                                  • System:Kill
                                  • System:LoadGraph
                                  • System:LoadProject
                                  • System:Maintenance
                                  • System:OnLog
                                  • System:Performance
                                  • System:Processes
                                  • System:Quit
                                  • System:Replicator
                                  • System:SaveGraph
                                  • System:Setting
                                  • System:Shutdown
                                • Nodes: ThirdParty
                                  • ThirdParty:NotchBlock
                                  • ThirdParty:ScalableDisplayCalibration
                                • Nodes: Time
                                  • Time:BlockOn
                                  • Time:Clock
                                  • Time:Delay
                                  • Time:Flywheel
                                  • Time:FullHCountdown
                                  • Time:Metro
                                  • Time:OnHMSChange
                                  • Time:TimeCodeASIO
                                  • Time:TimeCodeAudioLTC
                                  • Time:TimeCodePTP
                                  • Time:TimeCodePlaymaker
                                  • Time:TimeCodePlura
                                  • Time:TimeTable
                                  • Time:Timer
                                • Nodes: UI
                                  • UI:AssetViewer
                                  • UI:Button
                                  • UI:CompanionIO
                                  • UI:FiFoView
                                  • UI:GetWebPresenter
                                  • UI:List
                                  • UI:Slider
                                  • UI:StepperInterface
                                  • UI:WebPresenter
                                • Nodes: Unspecified
                                  • Unspecified:Comment
                                  • Unspecified:Log
                                • Nodes: Video
                                  • FileRecorder
                                  • SetEDID
                              • Show-Control Protocol
                                • Remote Control: Audio Mixers (Output and Matrix)
                                • Remote Control: Broadcast Schedulers
                                • Remote Control: Calibrators
                                • Remote Control: NDI Input Slots
                                • Remote Control: Node Endpoints
                                • Remote Control: Sequencers
                                • Remote Control: Steppers
                              • Supported Formats and Hardware
                                • Supported Media Types
                                • Supported Third Party Hardware
                            • Troubleshooting
                              • Performance Issues
                              • Output Not Displaying
                              • Node Editor: Connections Not Firing
                              • Assets Not Loading
                              • Multi-Server Sync Issues
                              • Crash on Startup with Direct-2-Display and OBS Hook
                            • FAQ
                              • What is the difference between a Display and a Surface?
                              • What video formats does Backstage support?
                              • Why do I hear no audio output?
                              • How do I loop Video or Audio?
                              • Can I mix 8-bit and 10-bit outputs on the same server?
                          • Video Library
                            • Brainsalt Hub Videos
                              • Brainsalt Hub
                              • Brainsalt Hub - Desktop App
                              • IP Setup, Network and Host Name
                              • EDID Management - With Connected Display or Projector
                              • EDID Management - With Generic EDID
                              • Outputs - Signal Format and Color Depth
                              • External House Sync - Genlock
                              • Combining Multiple Outputs to One - Mosaic
                              • Remove Displays From Desktop - Max Performance
                              • Virtual Monitor - Asset for Backstage
                            • Backstage Videos - Build and Run the Show
                              • First steps
                                • Get a Video on Screen fast
                              • Scene
                                • Build a Panoramic Projection with the Wizard
                                • Create a Display
                                • Create Additional Mappings
                              • Output
                                • Add a Matrix Mixer
                                • Route Projectors and Displays to Outputs
                              • Warp, Blend & Black Level
                                • Panorama Projection with Calibrator Lite
                              • Content
                              • Playback
                              • Remote Control
                              • Node Editor
                              • Monitoring
                              • Conductor
                              • Examples
                              • Troubleshooting
                              • Your First Project

                          Audio

                          Last updated 7 August 2026

                          An audio file or stream.

                          Properties

                          Field

                          Description

                          Name

                          Editable name for the asset.

                          Related

                          Import Video & Audio Assets — bringing files in Create an Audio Device and Route Audio — getting audio out of the server



                           
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