Download org.cogchar.lib.core-1.0.4.jar
org.cogchar/org.cogchar.lib.core-1.0.4.jar.zip( 811 k)
The download jar file contains the following class files or Java source files.
META-INF/MANIFEST.MF META-INF/maven/org.cogchar/org.cogchar.lib.core/pom.properties META-INF/maven/org.cogchar/org.cogchar.lib.core/pom.xml com.thoughtworks.xstream.io.xml.CogcharXStreamHelper.class labbookpage.wav.WavFile.class labbookpage.wav.WavFileException.class org.cogchar.ancient.utility.DataLoader.class org.cogchar.ancient.utility.NullPaddedArrayList.class org.cogchar.ancient.utility.Parameter.class org.cogchar.ancient.utility.Parameters.class org.cogchar.ancient.utility.ParametersBuilder.class org.cogchar.ancient.utility.StringParser.class org.cogchar.ancient.utility.pParser.class org.cogchar.animoid.broker.AnimationBuilder.class org.cogchar.animoid.broker.Animator.class org.cogchar.animoid.broker.AnimoidCueSpaceStub.class org.cogchar.animoid.broker.AnimoidFacade.class org.cogchar.animoid.broker.AnimoidJobSpace.class org.cogchar.animoid.broker.MotionController.class org.cogchar.animoid.calc.blend.SlopeBlendFuncs.class org.cogchar.animoid.calc.curve.CAC_FunctionDerivatives.class org.cogchar.animoid.calc.curve.CAC_ImmutableStateFrame.class org.cogchar.animoid.calc.curve.ConstAccelCurve.class org.cogchar.animoid.calc.curve.ConstAccelCurveStateVarSymbol.class org.cogchar.animoid.calc.curve.ImmutableStateFrame.class org.cogchar.animoid.calc.curve.PMC_StateVariable.class org.cogchar.animoid.calc.curve.PolynomialMotionCurve.class org.cogchar.animoid.calc.curve.StateVariableSymbol.class org.cogchar.animoid.calc.curvematrix.CACM_Polynomial.class org.cogchar.animoid.calc.curvematrix.ConstAccelCurveMatrix.class org.cogchar.animoid.calc.curvematrix.ConstAccelCurveSequence.class org.cogchar.animoid.calc.curvematrix.RampingFramedCACM.class org.cogchar.animoid.calc.curvematrix.RampingFramedCurveSeq.class org.cogchar.animoid.calc.curvematrix.SDCACM_Interval.class org.cogchar.animoid.calc.curvematrix.SharedDurationCACM.class org.cogchar.animoid.calc.curvematrix.StateFrameMatrix.class org.cogchar.animoid.calc.curvematrix.StateFrameMatrixVectorizer.class org.cogchar.animoid.calc.estimate.GazeDirectionComputer.class org.cogchar.animoid.calc.estimate.GazeJointStateSnap.class org.cogchar.animoid.calc.estimate.PositionEstimator.class org.cogchar.animoid.calc.estimate.TargetObjectStateEstimate.class org.cogchar.animoid.calc.estimate.TimeKeeper.class org.cogchar.animoid.calc.optimize.MultiStepPJT.class org.cogchar.animoid.calc.optimize.ParameterVector.class org.cogchar.animoid.calc.optimize.ParametricJointTrajectory.class org.cogchar.animoid.calc.plan.BudgetedGDMP.class org.cogchar.animoid.calc.plan.GazeDimensionMotionPlan.class org.cogchar.animoid.calc.plan.GazeJointMotionPlan.class org.cogchar.animoid.calc.plan.OptimizingGDMP.class org.cogchar.animoid.calc.plan.SharedDurationGDMP.class org.cogchar.animoid.calc.plan.SharedDurationGDMP_Segment.class org.cogchar.animoid.calc.plan.SharedDurationGJMP.class org.cogchar.animoid.calc.plan.SimpleGazeDimensionPlan.class org.cogchar.animoid.calc.plan.SimpleGazeJointTrajectory.class org.cogchar.animoid.calc.plan.SimpleGazePlanManager.class org.cogchar.animoid.calc.trajectory.BoundaryStyle.class org.cogchar.animoid.calc.trajectory.JointAngleTrajectory.class org.cogchar.animoid.gaze.GazeStrategyCue.class org.cogchar.animoid.gaze.GazeUtils.class org.cogchar.animoid.gaze.IGazeTarget.class org.cogchar.animoid.gaze.SimpleGazeTarget.class org.cogchar.animoid.job.AnimationExecJob.class org.cogchar.animoid.job.AnimoidJob.class org.cogchar.animoid.job.AttentionJob.class org.cogchar.animoid.job.BlenderJob.class org.cogchar.animoid.job.BlenderJobUnusedStuff.class org.cogchar.animoid.job.BlinkJob.class org.cogchar.animoid.job.GazeJob.class org.cogchar.animoid.job.GazeJobUnusedStuff.class org.cogchar.animoid.job.GotoGazeJob.class org.cogchar.animoid.job.MotionJob.class org.cogchar.animoid.job.RestoringForceJob.class org.cogchar.animoid.job.VisemeJob.class org.cogchar.animoid.monitor.IServoMonitor.class org.cogchar.animoid.monitor.IServoPositionReporter.class org.cogchar.animoid.oldconfig.IntMatrixFuncs.class org.cogchar.animoid.oldconfig.StringMatrixFuncs.class org.cogchar.api.animoid.config.bonus.AnimationBlendConfig.class org.cogchar.api.animoid.config.bonus.AnimoidConfig.class org.cogchar.api.animoid.config.bonus.MuscleJoint.class org.cogchar.api.animoid.config.bonus.ServoChannelConfig.class org.cogchar.api.animoid.config.bonus.VisemeConfig.class org.cogchar.api.animoid.gaze.GazeDimension.class org.cogchar.api.animoid.gaze.GazeJoint.class org.cogchar.api.animoid.gaze.GazeJointStrategy.class org.cogchar.api.animoid.gaze.GlanceStrategy.class org.cogchar.api.animoid.gaze.StereoGazeConfig.class org.cogchar.api.animoid.protocol.Animation.class org.cogchar.api.animoid.protocol.Device.class org.cogchar.api.animoid.protocol.EgocentricDirection.class org.cogchar.api.animoid.protocol.Frame.class org.cogchar.api.animoid.protocol.JPARFrame.class org.cogchar.api.animoid.protocol.JPRRFrame.class org.cogchar.api.animoid.protocol.JVFrame.class org.cogchar.api.animoid.protocol.Joint.class org.cogchar.api.animoid.protocol.JointPosition.class org.cogchar.api.animoid.protocol.JointPositionAROM.class org.cogchar.api.animoid.protocol.JointPositionCache.class org.cogchar.api.animoid.protocol.JointPositionRROM.class org.cogchar.api.animoid.protocol.JointPositionSnapshot.class org.cogchar.api.animoid.protocol.JointStateCoordinateType.class org.cogchar.api.animoid.protocol.JointStateItem.class org.cogchar.api.animoid.protocol.JointVelocityAROMPS.class org.cogchar.api.animoid.protocol.Library.class org.cogchar.api.animoid.protocol.Robot.class org.cogchar.api.animoid.protocol.SmallAngle.class org.cogchar.api.animoid.world.SummableWJTrajectoryList.class org.cogchar.api.animoid.world.SummableWorldJointList.class org.cogchar.api.animoid.world.WorldGoalPosition.class org.cogchar.api.animoid.world.WorldJoint.class org.cogchar.api.animoid.world.WorldJointStateSnap.class org.cogchar.api.animoid.world.WorldJointTrajectory.class org.cogchar.api.convoid.act.Act.class org.cogchar.api.convoid.act.Agenda.class org.cogchar.api.convoid.act.Category.class org.cogchar.api.convoid.act.Step.class org.cogchar.api.convoid.cue.ConvoidCue.class org.cogchar.api.convoid.cue.ConvoidCueSpace.class org.cogchar.api.convoid.cue.HeardCue.class org.cogchar.api.convoid.cue.InhibitionCue.class org.cogchar.api.convoid.cue.InitiativeCue.class org.cogchar.api.convoid.cue.ModeCue.class org.cogchar.api.convoid.cue.PhaseCue.class org.cogchar.api.convoid.cue.ResponseCue.class org.cogchar.api.convoid.cue.VerbalCue.class org.cogchar.api.event.BasicEvent.class org.cogchar.api.event.BasicNotifier.class org.cogchar.api.event.Event.class org.cogchar.api.event.Listener.class org.cogchar.api.event.Notifier.class org.cogchar.api.event.StateChangeEvent.class org.cogchar.api.freckler.protocol.FaceNoticeConfig.class org.cogchar.api.freckler.protocol.FaceRecognitionStatus.class org.cogchar.api.freckler.protocol.FreckleMatchConfig.class org.cogchar.api.freckler.protocol.FreckleQuery.class org.cogchar.api.freckler.protocol.FreckleResult.class org.cogchar.api.freckler.protocol.FreckleSampleQuality.class org.cogchar.api.integroid.cue.AwarenessCue.class org.cogchar.api.integroid.cue.BogeyCue.class org.cogchar.api.integroid.cue.FriendCue.class org.cogchar.api.integroid.cue.MotionCue.class org.cogchar.api.integroid.cue.PersonCue.class org.cogchar.api.perform.BasicChannel.class org.cogchar.api.perform.BasicFramedChannel.class org.cogchar.api.perform.BasicFramedPerformance.class org.cogchar.api.perform.BasicPerformance.class org.cogchar.api.perform.BasicTextChannel.class org.cogchar.api.perform.BasicTextPerformance.class org.cogchar.api.perform.Channel.class org.cogchar.api.perform.Media.class org.cogchar.api.perform.Performance.class org.cogchar.api.platform.cues.NamedCue.class org.cogchar.api.platform.cues.NowCue.class org.cogchar.api.platform.cues.TextCue.class org.cogchar.api.platform.cues.ThoughtCue.class org.cogchar.api.platform.cues.TimerCue.class org.cogchar.api.platform.cues.VariableCue.class org.cogchar.api.scene.ActionCallbackMap.class org.cogchar.api.scene.CameraConfig.class org.cogchar.api.scene.LightConfig.class org.cogchar.api.scene.LightsCameraConfig.class org.cogchar.api.scene.Scene.class org.cogchar.api.scene.SceneBuilder.class org.cogchar.api.scene.SceneConfigNames.class org.cogchar.api.sight.SightAttentionStatus.class org.cogchar.api.sight.SightCue.class org.cogchar.api.sight.SightExposureStatus.class org.cogchar.api.sight.SightObservation.class org.cogchar.api.sight.SightPort.class org.cogchar.api.skeleton.config.BoneConfigNames.class org.cogchar.api.skeleton.config.BoneJointConfig.class org.cogchar.api.skeleton.config.BoneProjectionPosition.class org.cogchar.api.skeleton.config.BoneProjectionRange.class org.cogchar.api.skeleton.config.BoneRobotConfig.class org.cogchar.api.skeleton.config.BoneRotationAxis.class org.cogchar.api.space.CompoundLinearOp3R.class org.cogchar.api.space.Field.class org.cogchar.api.space.LinearOp3R.class org.cogchar.api.space.Real.class org.cogchar.api.space.RotationOp3R.class org.cogchar.api.space.Rotation_YZX_Op3R.class org.cogchar.api.space.ScaleOp3R.class org.cogchar.api.space.TranslationOp3R.class org.cogchar.api.space.Vector3.class org.cogchar.api.space.Vector3R.class org.cogchar.api.space.VectorOp3R.class org.cogchar.api.space.VectorOperator.class org.cogchar.audio.input.AudioBuffer.class org.cogchar.audio.input.MicrophoneBuffer.class org.cogchar.audio.input.WavBuffer.class org.cogchar.audio.input.WavPlayer.class org.cogchar.audio.processing.AudioConverter.class org.cogchar.audio.processing.FFTBuffer.class org.cogchar.audio.processing.FFTWindow.class org.cogchar.audio.processing.HammingWindow.class org.cogchar.audio.processing.MeanCalculator.class org.cogchar.audio.processing.VisualizationConverter.class org.cogchar.audio.processing.WavProcessor.class org.cogchar.audio.spectrogram.RealtimeSpectrogram.class org.cogchar.audio.spectrogram.Spectrogram.class org.cogchar.audio.spectrogram.SpectrogramFrame.class org.cogchar.audio.spectrogram.SpectrogramPanel.class org.cogchar.audio.spectrogram.WavSpectrogramFrame.class org.cogchar.audio.spectrogram.WavSpectrogramPanel.class org.cogchar.audio.spectrogram.WavVisualizer.class org.cogchar.bind.amqp.QpidTopicExperiment.class org.cogchar.bind.avro.AvroPacketExperiment.class org.cogchar.bind.lift.ControlConfig.class org.cogchar.bind.lift.LiftAmbassador.class org.cogchar.bind.lift.LiftConfig.class org.cogchar.bind.lift.LiftConfigNames.class org.cogchar.blob.emit.BehaviorConfigEmitter.class org.cogchar.blob.emit.BonyConfigEmitter.class org.cogchar.blob.emit.DemoConfigEmitter.class org.cogchar.blob.emit.FacadeHandle.class org.cogchar.blob.emit.HierConfMgr.class org.cogchar.blob.emit.NVParam.class org.cogchar.blob.emit.RegistryClient.class org.cogchar.blob.emit.Whackamole.class org.cogchar.convoid.broker.ChatHelpFuncs.class org.cogchar.convoid.broker.ConvoidFacade.class org.cogchar.convoid.broker.ConvoidFacadeSource.class org.cogchar.convoid.broker.ConvoidHelpFuncs.class org.cogchar.convoid.broker.IRemoteResponseInterface.class org.cogchar.convoid.broker.RemoteResponseFacade.class org.cogchar.convoid.job.AgendaManager.class org.cogchar.convoid.job.ChatJob.class org.cogchar.convoid.job.ConversationJob.class org.cogchar.convoid.job.ConvoidJob.class org.cogchar.convoid.job.ConvoidJobSpace.class org.cogchar.convoid.job.DummyStepExecution.class org.cogchar.convoid.job.ExpositionJob.class org.cogchar.convoid.job.QuestionJob.class org.cogchar.convoid.job.SpeechJob.class org.cogchar.convoid.job.StepExecution.class org.cogchar.convoid.job.StepExecutionFactory.class org.cogchar.convoid.job.StepJob.class org.cogchar.convoid.job.StepProgressListener.class org.cogchar.convoid.job.TalkJob.class org.cogchar.convoid.player.BehaviorContext.class org.cogchar.convoid.player.EmptyPlayer.class org.cogchar.convoid.player.IBehaviorPlayable.class org.cogchar.convoid.player.PlayerAction.class org.cogchar.convoid.player.SpeechPlayer.class org.cogchar.convoid.player.StepPlayer.class org.cogchar.convoid.speech.tts.ISpeakText.class org.cogchar.convoid.speech.tts.ISpeechRecognition.class org.cogchar.convoid.speech.tts.ITTSEngineObserver.class org.cogchar.convoid.speech.tts.SpeechOutputScrubber.class org.cogchar.convoid.speech.tts.SpeechRecognitionEngine.class org.cogchar.convoid.speech.tts.SpeechRecognitionGrammar.class org.cogchar.convoid.speech.tts.TTSEngine.class org.cogchar.freckbase.Attempt.class org.cogchar.freckbase.Attempts.class org.cogchar.freckbase.Cache.class org.cogchar.freckbase.Entries.class org.cogchar.freckbase.FreckbaseSession.class org.cogchar.freckbase.FreckbaseSquerySessionFactory.class org.cogchar.freckbase.Friend.class org.cogchar.freckbase.Friends.class org.cogchar.freckbase.Hypotheses.class org.cogchar.freckbase.Hypothesis.class org.cogchar.freckbase.Manager.class org.cogchar.freckbase.Observation.class org.cogchar.freckbase.Observations.class org.cogchar.freckbase.PTypes.class org.cogchar.freckbase.Persistent.class org.cogchar.freckbase.Photo.class org.cogchar.freckbase.Photos.class org.cogchar.freckbase.Profile.class org.cogchar.freckbase.ProfileEntry.class org.cogchar.freckbase.Profiles.class org.cogchar.freckbase.QueryUtils.class org.cogchar.freckbase.Record.class org.cogchar.freckbase.RecordTable.class org.cogchar.freckbase.TestH2.class org.cogchar.freckbase.TestSQ.class org.cogchar.freckbase.Tuples.class org.cogchar.impl.boot.BootFieldNames.class org.cogchar.impl.boot.BootSpec.class org.cogchar.impl.boot.BootSpecBuilder.class org.cogchar.impl.perform.ChannelNames.class org.cogchar.impl.perform.ChannelSpec.class org.cogchar.impl.perform.ChannelSpecBuilder.class org.cogchar.impl.perform.DummyTextChan.class org.cogchar.impl.perform.FancyChanStuff.class org.cogchar.impl.perform.FancyFramedChan.class org.cogchar.impl.perform.FancyFramedPerf.class org.cogchar.impl.perform.FancyTextChan.class org.cogchar.impl.perform.FancyTextPerf.class org.cogchar.impl.perform.FancyTime.class org.cogchar.impl.scene.BScene.class org.cogchar.impl.scene.BSceneRootChan.class org.cogchar.impl.scene.BasicBehaviorAction.class org.cogchar.impl.scene.Behavior.class org.cogchar.impl.scene.BehaviorAction.class org.cogchar.impl.scene.BehaviorModulator.class org.cogchar.impl.scene.BehaviorSpec.class org.cogchar.impl.scene.BehaviorSpecBuilder.class org.cogchar.impl.scene.BehaviorStep.class org.cogchar.impl.scene.BehaviorTrial.class org.cogchar.impl.scene.RuledBehavior.class org.cogchar.impl.scene.RuledBehaviorSpec.class org.cogchar.impl.scene.SceneBook.class org.cogchar.impl.scene.SceneFieldNames.class org.cogchar.impl.scene.SceneSpec.class org.cogchar.impl.scene.SceneSpecBuilder.class org.cogchar.impl.scene.ScheduledActionStep.class org.cogchar.impl.scene.SteppingBehavior.class org.cogchar.impl.scene.SteppingBehaviorSpec.class org.cogchar.impl.scene.TStamp.class org.cogchar.impl.scene.TextAction.class org.cogchar.impl.scene.Theater.class org.cogchar.impl.scene.TimelineBehavior.class org.cogchar.impl.scene.WorkThing.class org.cogchar.impl.trigger.FancyBinding.class org.cogchar.impl.trigger.FancyTriggerFacade.class org.cogchar.impl.weber.config.EmptyFormatter.class org.cogchar.impl.weber.config.IStringFormatter.class org.cogchar.impl.weber.config.MeneConfig.class org.cogchar.impl.weber.config.QuestionFormatter.class org.cogchar.impl.weber.config.RandomFormatter.class org.cogchar.impl.weber.config.ReplaceFormatter.class org.cogchar.impl.weber.config.TextUtils.class org.cogchar.integroid.awareness.AwarenessConstants.class org.cogchar.integroid.awareness.AwarenessHelpFuncs.class org.cogchar.integroid.awareness.AwarenessHelpFuncsUnused.class org.cogchar.integroid.awareness.AwarenessLogFileHandler.class org.cogchar.integroid.awareness.AwarenessLogFilter.class org.cogchar.integroid.awareness.AwarenessLogFormatter.class org.cogchar.integroid.boot.ConfigSystemImpl.class org.cogchar.integroid.boot.SubsystemImpl.class org.cogchar.integroid.boot.ThreadAwareObject.class org.cogchar.integroid.broker.IntegroidCueBroker.class org.cogchar.integroid.broker.IntegroidFacade.class org.cogchar.integroid.broker.IntegroidHelpFuncs.class org.cogchar.integroid.broker.IntegroidJobBroker.class org.cogchar.integroid.broker.ReactionProcessor.class org.cogchar.integroid.jmxwrap.IntegroidWrapper.class org.cogchar.integroid.jmxwrap.IntegroidWrapperMXBean.class org.cogchar.integroid.jmxwrap.JMXUtils.class org.cogchar.integroid.jmxwrap.NotifyingBeanImpl.class org.cogchar.nwrap.core.EmptyEngine.class org.cogchar.nwrap.core.NativeEngine.class org.cogchar.nwrap.facerec.FaceProfile.class org.cogchar.nwrap.facerec.FaceProfileManager.class org.cogchar.nwrap.facerec.FaceRecPopulationManager.class org.cogchar.platform.stub.ChainJob.class org.cogchar.platform.stub.CueBrokerStub.class org.cogchar.platform.stub.CueClearingJob.class org.cogchar.platform.stub.CueListener.class org.cogchar.platform.stub.CueSpaceStub.class org.cogchar.platform.stub.CueStub.class org.cogchar.platform.stub.FactHandleStub.class org.cogchar.platform.stub.JobBrokerStub.class org.cogchar.platform.stub.JobConfig.class org.cogchar.platform.stub.JobListener.class org.cogchar.platform.stub.JobSpaceStub.class org.cogchar.platform.stub.JobStub.class org.cogchar.platform.stub.PropertyChangeNotifier.class org.cogchar.platform.stub.ThalamentSpaceStub.class org.cogchar.platform.stub.ThalamentStub.class org.cogchar.platform.stub.ThalamusBrokerStub.class org.cogchar.platform.time.ExactTimePoint.class org.cogchar.platform.time.RelativeTimePoint.class org.cogchar.platform.time.TimeInterval.class org.cogchar.platform.time.TimePointFactory.class org.cogchar.platform.trigger.DummyBinder.class org.cogchar.platform.trigger.DummyBinding.class org.cogchar.platform.trigger.DummyBox.class org.cogchar.platform.trigger.DummyTrigger.class org.cogchar.platform.util.BoundsAssertions.class org.cogchar.platform.util.CollectionFilter.class org.cogchar.platform.util.CollectionUtils.class org.cogchar.platform.util.StringUtils.class org.cogchar.platform.util.TimeUtils.class org.cogchar.scalatest.Greeter.class org.cogchar.sight.hypo.SightHypoComparison.class org.cogchar.sight.hypo.SightHypoRegistry.class org.cogchar.sight.hypo.SightHypothesis.class org.cogchar.sight.hypo.SightModel.class org.cogchar.sight.motion.PeakTracker.class org.cogchar.sight.obs.SightObservationComparison.class org.cogchar.sight.obs.SightObservationLog.class org.cogchar.sight.track.SightTracker.class org.cogchar.sight.track.SightTrackerRegistry.class org.cogchar.sight.track.SightTrackingTarget.class org.cogchar.sight.vision.FaceTrackObserver.class org.cogchar.sight.vision.FrameFaceInformation.class org.cogchar.sight.vision.IAnnotatingObserver.class org.cogchar.sight.vision.IROIObserver.class org.cogchar.sight.vision.IRawFrameObserver.class org.cogchar.sight.vision.ITrackObserver.class org.cogchar.sight.vision.MotionFilterObserver.class org.cogchar.sight.vision.OpenCVImage.class org.cogchar.sight.vision.PortableImage.class org.cogchar.sight.vision.ROIVisionObserver.class org.cogchar.sight.vision.RawFrameProcessor.class org.cogchar.sight.vision.RawVisionObserver.class org.cogchar.sight.vision.VisionCanvas.class org.cogchar.sight.vision.VisionFacade.class org.cogchar.test.assembly.AssemblyTest.class org.cogchar.test.assembly.AssemblyTestNames.class org.cogchar.test.assembly.MegaNugget.class org.cogchar.test.assembly.Nugget.class org.cogchar.test.assembly.NuggetBuilder.class org.cogchar.xml.animoid.AnimoidConfigLoader.class org.cogchar.xml.convoid.behavior.BehaviorDataLoader.class org.cogchar.xml.convoid.behavior.BehaviorDataSaver.class org.cogchar.xml.convoid.behavior.BehaviorDataTest.class org.cogchar.xploder.cursors.ActCursor.class org.cogchar.xploder.cursors.ActSequenceCursor.class org.cogchar.xploder.cursors.CategoryCursor.class org.cogchar.xploder.cursors.CursorFactory.class org.cogchar.xploder.cursors.IConvoidCursor.class org.cogchar.xploder.cursors.Meaning.class org.cogchar.xploder.cursors.MeaningCursorMap.class org.cogchar.xploder.cursors.MeaningScoreKeeper.class org.cogchar.xploder.mgr.BehaviorTypeManager.class org.cogchar.xploder.mgr.CursorGroup.class org.cogchar.xploder.mgr.CursorManager.class org.cogchar.xploder.mgr.CursorRequest.class org.cogchar.xploder.mgr.FilteredCursorList.class org.cogchar.xploder.mgr.SpeechJobFactory.class org/cogchar/test/animoid/animoid_zeno_robokind.xml org/cogchar/test/assembly/beeHive.ttl org/cogchar/test/assembly/ca_test.ttl org/cogchar/test/assembly/moreNugs.ttl