AudioChannelMixer

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AudioChannelMixer 將多個音頻流混合為單個、多通道音頻流。它提供一個結合的輸入頂針、一個輸出頂針以及以下的次要輸入頂針，所有這些都可以由 Wires 連接到/從：左、右、中心、環繞左、環繞右、子、背左、背右、頂左、頂右、頂左後、以及頂右後。

Diagram showing position of all potential channels.

範例程式碼

Splitting & Mixing Channels

local Workspace = game:GetService("Workspace")

local function wireUp(source : Instance, target : Instance, sourceName : string?, targetName : string?)
	local wire = Instance.new("Wire", source)
	wire.SourceInstance = source
	wire.TargetInstance = target

	if sourceName then wire.SourceName = sourceName end
	if targetName then wire.TargetName = targetName end

	return wire
end

local listener = Instance.new("AudioListener")
listener.Parent = Workspace.CurrentCamera
local output = Instance.new("AudioDeviceOutput")
output.Parent = Workspace

local splitter = Instance.new("AudioChannelSplitter")
splitter.Parent = Workspace
local mixer = Instance.new("AudioChannelMixer")
mixer.Parent = Workspace

-- Send what the listener hears to a splitter and send a mix to the final output
wireUp(listener, splitter)
wireUp(mixer, output)

-- Set up both the splitter and mixer to use a quadrophonic layout
splitter.Layout = Enum.AudioChannelLayout.Quad
mixer.Layout = Enum.AudioChannelLayout.Quad

-- Give each of the four channels its own pitch shifter
local frontLeft = Instance.new("AudioPitchShifter")
frontLeft.Name = "Front Left"
frontLeft.Pitch = 1.25
frontLeft.Parent = Workspace
local backLeft = Instance.new("AudioPitchShifter")
backLeft.Name = "Back Left"
backLeft.Pitch = 0.5
backLeft.Parent = Workspace
local frontRight = Instance.new("AudioPitchShifter")
frontRight.Name = "Front Right"
frontRight.Pitch = 1.5
frontRight.Parent = Workspace
local backRight  = Instance.new("AudioPitchShifter")
backRight.Name = "Back Right"
backRight.Pitch = 0.75
backRight.Parent = Workspace

wireUp(splitter, frontLeft, "Left")
wireUp(splitter, backLeft, "BackLeft")
wireUp(splitter, frontRight, "Right")
wireUp(splitter, backRight, "BackRight")

wireUp(frontLeft, mixer, nil, "Left")
wireUp(backLeft, mixer, nil, "BackLeft")
wireUp(frontRight, mixer, nil, "Right")
wireUp(backRight, mixer, nil, "BackRight")

-- Configure a part to emit audio
local part = Instance.new("Part")
part.Shape = Enum.PartType.Ball
part.Size = Vector3.new(4, 4, 4)
part.Material = Enum.Material.SmoothPlastic
part.CastShadow = false
part.Position = Vector3.new(0, 4, -12)
part.Anchored = true
part.Parent = Workspace

local analyzer = Instance.new("AudioAnalyzer")
analyzer.Parent = part
local emitter = Instance.new("AudioEmitter")
emitter.Parent = part
local assetPlayer = Instance.new("AudioPlayer")
assetPlayer.Looping = true
assetPlayer.Asset = "rbxassetid://97799489309320"
assetPlayer.Parent = emitter

wireUp(assetPlayer, emitter)
wireUp(assetPlayer, analyzer)

-- Start playing the audio
assetPlayer:Play()

-- Adjust the part's color as the audio plays
while true do
	local peak = math.sqrt(analyzer.PeakLevel)
	part.Color = Color3.new(peak, peak, peak)
	task.wait()
end