Holotour

Author: m | 2025-04-25

HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว

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Title description author ms.author ms.date ms.topic keywords Case study - Spatial sound design for HoloTour To create a truly immersive 3D virtual tour for Microsoft HoloLens, the panoramic videos and holographic scenery are only part of the formula. jsyltebo jsylte 03/21/2018 article Windows Mixed Reality, HoloLens, HoloTour, spatial sound, case study, mixed reality headset, windows mixed reality headset, virtual reality headset, HoloLens, MRTK, Mixed Reality Toolkit, audio Panoramic videos and holographic scenery are only part of the formula for an immersive Microsoft HoloLens tour. This article describes how sound was used to make you feel like you're actually in each HoloTour location.The techThe beautiful imagery and holographic scenes that you see in HoloTour are only one part of a believable mixed-reality experience. While holograms only appear in front of a user, HoloLens can deliver spatial sound from all directions, which provides a more-complete sensory experience.Spatial sound provides cues to indicate a direction the user should turn or to let the user know there are more holograms to see within their space. We can also attach a sound directly to a hologram and continually update the direction and distance that the hologram is from the user. This technique makes it seem as if the sound is coming directly from that object.For HoloTour, we wanted to take advantage of the spatial sound capabilities of HoloLens, so we created a 360-degree ambient environment that's synchronized with the video to reveal the sonic highlights of specific locations.Behind the scenesWe created HoloTour experiences of two different locations: Rome and Machu Picchu. To make these tours feel authentic and compelling, we wanted to capture audio from the locations where we filmed instead of using generic sounds.Capturing the audioIn our case study about capturing the visual content for HoloTour, we talk about the design of our camera

HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว

Title description author ms.author ms.date ms.topic keywords Case study - HoloTour Explore the HoloTour application case study and walk through the process of capturing and creating its content. dannyaskew daaske 03/21/2018 article HoloTour, HoloLens, Windows Mixed Reality HoloTour for Microsoft HoloLens provides immersive 3D personal tours of iconic locations around the world. As the designers, artists, producers, audio designers, and developers working on this project found out, creating a convincingly real 3D rendering of a well-known location takes a unique blend of creative and technological wizardry. This case study will walk through the process of capturing and creating the content used for HoloTour.The techWith HoloTour, we wanted to make it possible for people to visit some of the world’s most amazing destinations—like the ruins of Machu Picchu in Peru or the modern day Piazza Navona in Italy—right from their own living rooms. Our team made it the goal of HoloTour to “make you feel like you’re really there.” The experience needed to be more than just pictures or videos. By leveraging the unique display, tracking, and audio technology of HoloLens we believed we could virtually transport you to another place. We would need to capture the sights, sounds, and three-dimensional geometry of every location we visited and then recreate that within our app.In order to do this, we needed a 360° camera rig with directional audio capture. It needed to capture at extremely high resolution, so that the footage would look crisp when played back on a HoloLens and the

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Scan, which constructs a 3D model from dozens of 2D images, giving us a rough model of the object at perfect scale.As we process our footage, objects that will later be replaced with a 3D representation are removed from the video. The 3D asset is based on the photogrammetry model but cleaned up and simplified by our artists. For some objects, we can use parts of the video—such as the water texture on the fountain—but most of the fountain is now a 3D object, which allows users to perceive depth and walk around it in a limited space in the experience. Having near-space objects like this greatly adds to the sense of realism and helps to ground the users in the virtual location.Pantheon footage with the fountain removed. It will be replaced with a 3D asset.Final thoughtsObviously, there was more to creating this content than what we've discussed here. There are a few scenes—we like to call them "impossible perspectives"—including the hot air balloon ride and the gladiator fight in the Colosseum, which took a more creative approach. We'll address these in a future case study.We hope that sharing solutions to some of the bigger challenges we had during production is helpful to other developers and that you're inspired to use some of these techniques to create your own immersive experiences for HoloLens. (And if you do, please make sure to share it with us on the HoloLens App Development forum!)About the authorsSee alsoVideo: Microsoft HoloLens: HoloTour. HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว

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And experience it like they are really there. You see high-resolution 360-degree panoramic displays of places like Rome and Machu Picchu. HoloTour highlights two unique capabilities of HoloLens. Being untethered, HoloLens allows you to enjoy a virtual trip by actually walking around the location. While immersive, the experience still embraces mixed reality, as it allows you to physically walk around spaces and get up close to objects while remaining untethered from a PC, phone or other device. HoloTour is also a showcase for the spatial sound capabilities of this platform. When you are walking around Rome, the sounds of the city surround you – just like you were actually there.The the HoloLens Development Edition also includes 3 unique examples of mixed reality games that demonstrate the elements of holographic gameplay that no other platform can deliver. Read about them in detail here.Finally, starting this summer, developers will be able to experience a completely new holographic storytelling medium for the Development Edition that Microsoft call Actiongram. This experience was designed for creative coders and content creators, providing what we think is the most amazing way to tell digital stories that might otherwise be impractical or impossible. Actiongram uses mixed reality capture (MRC) to blend holographic content into real world settings, allowing anybody to create emotionally compelling and humorous videos. Microsoft will be delivering new content for Actiongram regularly so that users can continually express themselves in the holographic medium.Microsoft HoloLens Development Edition starts shipping in the US and Canada on March 30th at a price of $3,000. Additional development tools that include Visual Studio projects and a HoloLens emulator will be released when HoloLens devices start shipping to customers on March 30. The emulator will allow developers to test holographic apps on their PC without a physical HoloLens and comes with a HoloLens development toolset.Prospective developers can visit www.hololens.com/developmentedition to apply now for the kit. If you already have the invite, you can order it here from Microsoft Store. Surur Davids Smartphone Expert Surur Davids is the founder of WMPoweruser which later became MSPoweruser.com. He's a smartphone expert with over a decade of experience.

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Rig set up for filming outside the Pantheon.We tested out our homemade rig by taking it up to Rattlesnake Ridge near Seattle, capturing the scenery at the top of the hike. The result, though significantly less polished than the locations you see in HoloTour today, gave us confidence that our rig design was good enough to make you feel like you’re really there.We upgraded our rig from Velcro and cardboard to a 3D-printed camera housing and bought external battery packs for the GoPro cameras to simplify battery management. We then did a more extensive test, traveling down to San Francisco to create a miniature tour of the city’s coast and the iconic Golden Gate bridge. This camera rig is what we used for most of our captures of the locations you visit in HoloTour.The 360° camera rig filming in Machu Picchu.Behind the scenesBefore filming, we needed to figure out which locations we wanted to include on our virtual tour. Rome was the first location we intended to ship and we wanted to get it right, so we decided to do a scouting trip in advance. We sent a team of six people—including artists, designers, and producers—for an in-person visit to the sites we were considering. The trip took about 9 days – 2.5 for travel, the rest for filming. (For Machu Picchu we opted not to do a scout trip, researching in advance and booking a few days of buffer for filming.)While in Rome, the team took photos of each

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(FOV). As you rotate your head, we start playing the regions of the video that are now in your FOV and stop playing ones that are no longer within it. Most people won’t even notice this is happening, but if you turn around rapidly, you’ll see the video takes a second to start— in the meantime you’ll see a static image which then fades back to video once it’s ready.To make this strategy work we developed an extensive video playback system. We optimized the low level playback code in order to make video switching extremely efficient. Additionally, we had to encode our videos in a special way to make it possible to rapidly switch to any video at any time. This playback pipeline took a significant amount of development time so we implemented it in stages. We started with a simpler system that was less efficient, but allowed designers and artists to work on the experience, and slowly improved it to a more robust playback system that allowed us to ship at the final quality bar. This final system had custom tools we created within Unity to set up the video within the scene and monitor the playback engine.Recreating near-space objects in 3DVideos make up the majority of what you see in HoloTour, but there are a number of 3D objects that appear close to you, such as the painting in Piazza Navona, the fountain outside the Pantheon, or the hot air balloon you stand in for aerial scenes. These

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Of processing is needed to convert the raw camera footage we captured into the final assets you see in HoloTour. Once we were back home we needed to take the video from 14 different camera feeds and turn it into a single continuous video with minimal artifacts. Our art team used a number of tools to combine and polish the captured footage and we developed a pipeline to optimize the processing as much as possible. The footage had to be stitched together, color corrected, and then composited to remove distracting elements and artifacts or to add supplemental pockets of life and motion, all with the goal to enhance that feeling of actually being there.A rough cut of Pantheon footage before stitching.To stitch the videos together, we used a tool called PTGui and integrated it into our processing pipeline. As part of post-processing we extracted still frames from our videos and found a stitching pattern that looked good for one of those frames. We then applied that pattern to a custom plugin we wrote that allowed our video artists to fine tune and tweak the stitching pattern directly while compositing in After Effects.Screenshot of PTGui showing the stitched Pantheon footage.Video playbackAfter processing of the footage is completed, we have a seamless video but it’s extraordinarily large—around 8K resolution. Decoding video is expensive and there are very few computers that can handle an 8K video so the next challenge was finding a way to play this video back on HoloLens. We developed. HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว

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A number of strategies to avoid the cost of decoding while still making the user feel like they were viewing the entire video.The easiest optimization is to avoid decoding parts of the video that don’t change much. We wrote a tool to identify areas in each scene that have little or no motion. For those regions we show a static image rather than decoding a video each frame. To make this possible, we divided up the massive video into much smaller chunks.We also made sure that every pixel we decoded was used most effectively. We experimented with compression techniques to lower the size of the video; we split the video regions according to the polygons of the geometry it would be projected onto; we adjusted UVs and repacked the videos based on how much detail different polygons included. The result of this work is that what started as a single 8k video turned into many chunks that look almost unintelligible until they are properly re-projected into the scene. For a game developer who understands texture mapping and UV packing, this will probably look familiar.A full view of the Pantheon before optimizations.The right half of the Pantheon, processed for video playback.Example of a single video region after optimization and packing.Another trick we used was to avoid decoding video you aren’t actively viewing. While in HoloTour, you can only see part of the full scene at any given moment. We only decode videos within or shortly outside of your field of view

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Pick the best takes and identify highlights that can be applied during integration. The audio is then edited and cleaned up. For example, a car horn blast that lasts a second or so and repeats a few times might be replaced with quieter ambient audio from the same capture session.After the video edit for a location is set, the sound designer can synchronize the corresponding audio. At this point, we assess both the camera-rig and mobile sound captures to decide which elements would build the best immersive audio scene. We found it useful to put all the sound elements into an audio editor and build quick linear mock-ups to experiment with different mix ideas. This step gave us better-formed ideas for when it came time to build the actual HoloTour scenes.Assembling the sceneThe first step to building a 3D ambient scene is to create a bed of general background ambient looping sounds that will support other features and interactive sound elements in a scene. We take a holistic approach to implementation as determined by the design criteria for any particular scene. Some scenes might index toward using the synchronized camera capture. More "cinematic" moments might require a curated approach that relies on discretely placed sounds, interactive elements, and music.When we indexed on the camera-capture audio, we placed spatial sound-enabled ambient audio emitters that corresponded to the directional orientation of the cameras. The north camera view plays audio from the north microphone, and likewise for the other cardinal directions. These emitters are world-locked, which means the sound changes when users turn their heads. This technique effectively models the sound of standing at that location. Listen to Piazza Navona or The Pantheon for examples of scenes that use a good mix of camera-captured audio.In a different approach, we sometimes play looping stereo. HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว HoloTour Download. HoloTour (โปรแกรม HoloTour สำรวจสถานที่ท่องเที่ยว ประวัติศาสตร์กรุงโรม) : สำหรับโปรแกรมนี้มีชื่อว่า โปรแกรม HoloTour เป็นโปรแกรมสำหรับสำรวจท่องเที่ยว

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Ambience with spatial sound emitters that are placed around the scene. These emitters play one-off sounds of randomized volume, pitch, and trigger frequency. This technique creates ambience that has an enhanced sense of directionality. In Aguas Alienates, for example, you can hear how each quadrant of the panorama has specific emitters that highlight specific areas of the geography but work together to create an overall immersive ambience.Tips and tricksThere are other ways to highlight directionality and improve immersion to make full use of the spatial sound capabilities of HoloLens. We've provided a list here. Listen for these effects the next time that you try HoloTour.Look targets: These sounds are triggered when you look at a specific object or area of the holographic frame. For example, look toward the street-side café in Rome's Piazza Navona to subtly trigger busy-restaurant sounds.Local vision: The journey though HoloTour contains certain "beats" where your tour guide, aided by holograms, explores a topic in-depth. For instance, as the façade of the Pantheon dissolves to reveal the oculus, reverberating audio that was placed as a 3D emitter from inside the Pantheon encourages the user to explore the interior.Enhanced directionality: Within many scenes, we placed sounds in various ways to add to directionality. In the Pantheon scene, for example, the sound of the fountain was placed as a separate emitter close enough to the user that they could get a sense of "sonic parallax" as they walk around the play space. In Peru's Salinas de Maras scene, the sounds of individual little streams were placed as separate emitters to build a more immersive ambient environment, surrounding the user with the authentic sounds of that location.Spline emitter: These emitters move in 3D space based on the visual position of the object that they're attached to. An example is the