diff --git a/submodules/SettingsUI/Sources/DebugController.swift b/submodules/SettingsUI/Sources/DebugController.swift
index 6fa79f7eef..9882fcd31b 100644
--- a/submodules/SettingsUI/Sources/DebugController.swift
+++ b/submodules/SettingsUI/Sources/DebugController.swift
@@ -73,7 +73,7 @@ private enum DebugControllerEntry: ItemListNodeEntry {
     case optimizeDatabase(PresentationTheme)
     case photoPreview(PresentationTheme, Bool)
     case knockoutWallpaper(PresentationTheme, Bool)
-    case alternativeFolderTabs(Bool)
+    case demoAudioStream(Bool)
     case snapPinListToTop(Bool)
     case playerEmbedding(Bool)
     case playlistPlayback(Bool)
@@ -94,7 +94,7 @@ private enum DebugControllerEntry: ItemListNodeEntry {
             return DebugControllerSection.logging.rawValue
         case .enableRaiseToSpeak, .keepChatNavigationStack, .skipReadHistory, .crashOnSlowQueries:
             return DebugControllerSection.experiments.rawValue
-        case .clearTips, .reimport, .resetData, .resetDatabase, .resetDatabaseAndCache, .resetHoles, .reindexUnread, .resetBiometricsData, .optimizeDatabase, .photoPreview, .knockoutWallpaper, .alternativeFolderTabs, .snapPinListToTop, .playerEmbedding, .playlistPlayback, .voiceConference:
+        case .clearTips, .reimport, .resetData, .resetDatabase, .resetDatabaseAndCache, .resetHoles, .reindexUnread, .resetBiometricsData, .optimizeDatabase, .photoPreview, .knockoutWallpaper, .demoAudioStream, .snapPinListToTop, .playerEmbedding, .playlistPlayback, .voiceConference:
             return DebugControllerSection.experiments.rawValue
         case .preferredVideoCodec:
             return DebugControllerSection.videoExperiments.rawValue
@@ -155,7 +155,7 @@ private enum DebugControllerEntry: ItemListNodeEntry {
             return 22
         case .knockoutWallpaper:
             return 23
-        case .alternativeFolderTabs:
+        case .demoAudioStream:
             return 24
         case .snapPinListToTop:
             return 25
@@ -696,7 +696,7 @@ private enum DebugControllerEntry: ItemListNodeEntry {
                     })
                 }).start()
             })
-        case let .knockoutWallpaper(theme, value):
+        case let .knockoutWallpaper(_, value):
             return ItemListSwitchItem(presentationData: presentationData, title: "Knockout Wallpaper", value: value, sectionId: self.section, style: .blocks, updated: { value in
                 let _ = arguments.sharedContext.accountManager.transaction ({ transaction in
                     transaction.updateSharedData(ApplicationSpecificSharedDataKeys.experimentalUISettings, { settings in
@@ -706,12 +706,12 @@ private enum DebugControllerEntry: ItemListNodeEntry {
                     })
                 }).start()
             })
-        case let .alternativeFolderTabs(value):
-            return ItemListSwitchItem(presentationData: presentationData, title: "Alternative Tabs", value: value, sectionId: self.section, style: .blocks, updated: { value in
+        case let .demoAudioStream(value):
+            return ItemListSwitchItem(presentationData: presentationData, title: "Demo Audio Stream", value: value, sectionId: self.section, style: .blocks, updated: { value in
                 let _ = arguments.sharedContext.accountManager.transaction ({ transaction in
                     transaction.updateSharedData(ApplicationSpecificSharedDataKeys.experimentalUISettings, { settings in
                         var settings = settings as? ExperimentalUISettings ?? ExperimentalUISettings.defaultSettings
-                        settings.foldersTabAtBottom = value
+                        settings.demoAudioStream = value
                         return settings
                     })
                 }).start()
@@ -826,7 +826,7 @@ private func debugControllerEntries(presentationData: PresentationData, loggingS
     entries.append(.optimizeDatabase(presentationData.theme))
     //entries.append(.photoPreview(presentationData.theme, experimentalSettings.chatListPhotos))
     entries.append(.knockoutWallpaper(presentationData.theme, experimentalSettings.knockoutWallpaper))
-    entries.append(.alternativeFolderTabs(experimentalSettings.foldersTabAtBottom))
+    entries.append(.demoAudioStream(experimentalSettings.demoAudioStream))
     entries.append(.snapPinListToTop(experimentalSettings.snapPinListToTop))
     entries.append(.playerEmbedding(experimentalSettings.playerEmbedding))
     entries.append(.playlistPlayback(experimentalSettings.playlistPlayback))
diff --git a/submodules/TelegramCallsUI/Sources/PresentationGroupCall.swift b/submodules/TelegramCallsUI/Sources/PresentationGroupCall.swift
index 88bfb934f0..d80207d38c 100644
--- a/submodules/TelegramCallsUI/Sources/PresentationGroupCall.swift
+++ b/submodules/TelegramCallsUI/Sources/PresentationGroupCall.swift
@@ -845,7 +845,7 @@ public final class PresentationGroupCallImpl: PresentationGroupCall {
                         }
                         strongSelf.maybeRequestParticipants(ssrcs: ssrcs)
                     }
-                })
+                }, demoAudioStream: self.accountContext.sharedContext.immediateExperimentalUISettings.demoAudioStream)
                 self.incomingVideoSourcePromise.set(callContext.videoSources
                 |> deliverOnMainQueue
                 |> map { [weak self] sources -> [PeerId: UInt32] in
diff --git a/submodules/TelegramUIPreferences/Sources/ExperimentalUISettings.swift b/submodules/TelegramUIPreferences/Sources/ExperimentalUISettings.swift
index d4e2afc539..d685310c04 100644
--- a/submodules/TelegramUIPreferences/Sources/ExperimentalUISettings.swift
+++ b/submodules/TelegramUIPreferences/Sources/ExperimentalUISettings.swift
@@ -15,6 +15,7 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
     public var disableVideoAspectScaling: Bool
     public var enableVoipTcp: Bool
     public var snapPinListToTop: Bool
+    public var demoAudioStream: Bool
     
     public static var defaultSettings: ExperimentalUISettings {
         return ExperimentalUISettings(
@@ -29,7 +30,8 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
             preferredVideoCodec: nil,
             disableVideoAspectScaling: false,
             enableVoipTcp: false,
-            snapPinListToTop: false
+            snapPinListToTop: false,
+            demoAudioStream: false
         )
     }
     
@@ -45,7 +47,8 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
         preferredVideoCodec: String?,
         disableVideoAspectScaling: Bool,
         enableVoipTcp: Bool,
-        snapPinListToTop: Bool
+        snapPinListToTop: Bool,
+        demoAudioStream: Bool
     ) {
         self.keepChatNavigationStack = keepChatNavigationStack
         self.skipReadHistory = skipReadHistory
@@ -59,6 +62,7 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
         self.disableVideoAspectScaling = disableVideoAspectScaling
         self.enableVoipTcp = enableVoipTcp
         self.snapPinListToTop = snapPinListToTop
+        self.demoAudioStream = demoAudioStream
     }
     
     public init(decoder: PostboxDecoder) {
@@ -74,6 +78,7 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
         self.disableVideoAspectScaling = decoder.decodeInt32ForKey("disableVideoAspectScaling", orElse: 0) != 0
         self.enableVoipTcp = decoder.decodeInt32ForKey("enableVoipTcp", orElse: 0) != 0
         self.snapPinListToTop = decoder.decodeInt32ForKey("snapPinListToTop", orElse: 0) != 0
+        self.demoAudioStream = decoder.decodeInt32ForKey("demoAudioStream", orElse: 0) != 0
     }
     
     public func encode(_ encoder: PostboxEncoder) {
@@ -91,6 +96,7 @@ public struct ExperimentalUISettings: Equatable, PreferencesEntry {
         encoder.encodeInt32(self.disableVideoAspectScaling ? 1 : 0, forKey: "disableVideoAspectScaling")
         encoder.encodeInt32(self.enableVoipTcp ? 1 : 0, forKey: "enableVoipTcp")
         encoder.encodeInt32(self.snapPinListToTop ? 1 : 0, forKey: "snapPinListToTop")
+        encoder.encodeInt32(self.demoAudioStream ? 1 : 0, forKey: "demoAudioStream")
     }
     
     public func isEqual(to: PreferencesEntry) -> Bool {
diff --git a/submodules/TelegramVoip/Sources/GroupCallContext.swift b/submodules/TelegramVoip/Sources/GroupCallContext.swift
index b78d00052e..07e00ef9ce 100644
--- a/submodules/TelegramVoip/Sources/GroupCallContext.swift
+++ b/submodules/TelegramVoip/Sources/GroupCallContext.swift
@@ -129,7 +129,7 @@ public final class OngoingGroupCallContext {
         private var broadcastPacketSource: DemoBroadcastPacketSource?
         private var broadcastPacketsDisposable: Disposable?
         
-        init(queue: Queue, inputDeviceId: String, outputDeviceId: String, video: OngoingCallVideoCapturer?, participantDescriptionsRequired: @escaping (Set<UInt32>) -> Void) {
+        init(queue: Queue, inputDeviceId: String, outputDeviceId: String, video: OngoingCallVideoCapturer?, participantDescriptionsRequired: @escaping (Set<UInt32>) -> Void, demoAudioStream: Bool) {
             self.queue = queue
             
             var networkStateUpdatedImpl: ((GroupCallNetworkState) -> Void)?
@@ -204,15 +204,17 @@ public final class OngoingGroupCallContext {
                 }
             })
             
-            let broadcastPacketSource = DemoBroadcastPacketSource(queue: queue)
-            self.broadcastPacketSource = broadcastPacketSource
-            self.broadcastPacketsDisposable = (broadcastPacketSource.packets
-            |> deliverOn(queue)).start(next: { [weak self] packets in
-                guard let strongSelf = self else {
-                    return
-                }
-                strongSelf.context.add(packets)
-            })
+            if demoAudioStream {
+                let broadcastPacketSource = DemoBroadcastPacketSource(queue: queue)
+                self.broadcastPacketSource = broadcastPacketSource
+                self.broadcastPacketsDisposable = (broadcastPacketSource.packets
+                |> deliverOn(queue)).start(next: { [weak self] packets in
+                    guard let strongSelf = self else {
+                        return
+                    }
+                    strongSelf.context.add(packets)
+                })
+            }
             
             /*var packets: [OngoingGroupCallBroadcastPacket] = []
             for i in 0 ..< 200 {
@@ -466,10 +468,10 @@ public final class OngoingGroupCallContext {
         }
     }
     
-    public init(inputDeviceId: String = "", outputDeviceId: String = "", video: OngoingCallVideoCapturer?, participantDescriptionsRequired: @escaping (Set<UInt32>) -> Void) {
+    public init(inputDeviceId: String = "", outputDeviceId: String = "", video: OngoingCallVideoCapturer?, participantDescriptionsRequired: @escaping (Set<UInt32>) -> Void, demoAudioStream: Bool) {
         let queue = self.queue
         self.impl = QueueLocalObject(queue: queue, generate: {
-            return Impl(queue: queue, inputDeviceId: inputDeviceId, outputDeviceId: outputDeviceId, video: video, participantDescriptionsRequired: participantDescriptionsRequired)
+            return Impl(queue: queue, inputDeviceId: inputDeviceId, outputDeviceId: outputDeviceId, video: video, participantDescriptionsRequired: participantDescriptionsRequired, demoAudioStream: demoAudioStream)
         })
     }