Table of Topic's
What is spatial audio?
Spatial audio: The use of this technology brings a great change to cinema, helping the audience to watch movies with a new feel. The use of monopolized sound with real sound creates a special relatability to the audience and creates a response in the film for them to feel.
Similarly, VR and gaming also use spatial sound to allow the user to assume responsible and participatory roles in reality and self-computation. This gives gamers the chance to feel included in a vibrant and ever-changing legacy.
With supported equipment and related sound protocols, spatial sound provides an enjoyable and enjoyable experience, opening up new sound experiences for users.
Spatial Audio can be called “spatial sound” or “space sound” It is a sound technique in which sound sources are moved in an environment and in real locations, so that the listener hears the sound as if he were there.
In Hindi-
यह विशेष स्थानिक ध्वनि का उपयोग ध्वनि स्रोतों के समायोजन और उपयोगकर्ता के स्थान के आधार पर ध्वनि को व्यवस्थित करने में किया जाता है। इसके लिए, ध्वनि स्रोतों के बिना, उपयोगकर्ता को आसपासी वातावरण में ध्वनि सुनाई देने के लिए विशेष तकनीक का उपयोग किया जाता है। इसमें विभिन्न ध्वनि के तार-तोड़, साइको-एको और आधार स्थिति जैसी ध्वनि तकनीकों का उपयोग किया जाता है ताकि users ध्वनि को तीसरे व्यक्ति के रूप में सुने।
स्थानिक ध्वनि: एक नया ध्वनि सुनने का अनुभव
Introduction:
आजकल तकनीकी विकास ने हमारे जीवन के हर क्षेत्र में नए और अद्वितीय उपाय प्रस्तुत किए हैं। इसमें से एक खास तकनीकी उन्नति है – “स्थानिक ध्वनि”। स्थानिक ध्वनि एक ऐसा तकनीक है जिससे हम ध्वनि को एक नए और अद्वितीय तरीके से सुन सकते हैं, जिससे हमारे सुनने का अनुभव और भी अधिक बेहतर बनता है।
spatial audio स्थानिक ध्वनि क्या है?
स्थानिक ध्वनि एक तकनीक है जिसमें ध्वनि को ऐसे प्रोसेस किया जाता है कि वह वास्तविक ध्वनि के साथ-साथ उसके स्थानीयता और दिशा को भी प्रस्तुत कर सके। इसका मतलब है कि जब आप स्थानिक ध्वनि का आनंद लेते हैं, तो ध्वनि आपके चारों ओर से आ रही होने का अनुभव होता है, जैसे कि आप उस स्थान में वास्तविकता में मौजूद हो।
कैसे काम करता है?
स्थानिक ध्वनि की तकनीक विभिन्न माइक्रोफोन और स्पीकर सिस्टम का उपयोग करके काम करती है। एक सिस्टम में कई माइक्रोफोन प्लेस किए जाते हैं, जो ध्वनि को विभिन्न दिशाओं से ग्रहण करते हैं। इसके बाद, यह ध्वनि को वास्तविक तरीके से प्रोसेस करता है और उसे विभिन्न स्थानों से आने वाली ध्वनियों के साथ मिलाकर प्रस्तुत करता है। जब आप इस सिस्टम के स्पीकर से ध्वनि सुनते हैं, तो आपका मस्तिष्क वास्तविकता में वह स्थानीयता और दिशा का अनुभव करता है, जिससे आपका सुनने का अनुभव और भी अधिक जादूगरने लगता है।
आवश्यकताएँ और लाभ :
स्थानिक ध्वनि का उपयोग विभिन्न क्षेत्रों में किया जा रहा है, जैसे कि मनोरंजन, गेमिंग, शिक्षा, और डिज़ाइनिंग। इसके साथ ही, यह व्यक्तिगत सुनने का अनुभव भी सुधारता है, क्योंकि यह ध्वनि को एक नए और जीवंत रूप में प्रस्तुत करता है।
निष्कर्षण:
स्थानिक ध्वनि एक नई तकनीक है जिससे हम ध्वनि को न केवल सुन सकते हैं, बल्कि उसके साथ-साथ उसकी स्थानीयता और दिशा का भी आनंद ले सकते हैं। यह तकनीक न केवल मनोरंजन को बेहतर बनाती है, बल्कि शिक्षा और व्यक्तिगत सुनने के अनुभव को भी उन्नत करती है। आने वाले समय में, हम स्थानिक ध्वनि के और भी नए और रोचक उपयोग देख सकते हैं, जिनसे हमारा सुनने का अनुभव और भी अद्वितीय हो सकता है।
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How to turn on spatial audio –
Since the last update in September 2021, the process for enabling spatial audio has varied depending on the device or platform you are using. Below are general steps to enable spatial audio for different scenarios: How to use spatial audio
- Spatial Audio on iPhone or iPad (iOS/iPadOS):
- Make sure your device is running iOS 14 or later.
- Go to “Settings” on your device.
- Navigate to “Bluetooth” settings.
- Connect your compatible spatial audio supported headphones or earphones to your device via Bluetooth.
- Once connected, spatial audio should automatically be enabled.
- Spatial Audio on macOS (macOS Big Sur or later):
- Ensure your Mac is running macOS Big Sur or a later version.
- Connect your compatible spatial audio supported headphones or earphones to your Mac via Bluetooth.
- Go to the Apple menu and choose “System Preferences.”
- Click on “Sound.”
- In the “Output” tab, select your spatial audio supported headphones or earphones from the list.
- Spatial Audio on Windows 10 or 11 PC:
- Some headphones that support spatial audio on mobile devices may not directly support it on Windows PCs. However, some gaming headsets may have their spatial audio features that can be enabled through the manufacturer’s software.
- Spatial Audio on Android Devices:
- As of my last update, Android devices did not have native spatial audio support like iOS devices. However, some apps or media players may offer virtual surround sound options that can simulate spatial audio effects.
Please note that the availability of spatial audio and the steps to enable it may have changed or expanded since my last update.
What is spatial audio AirPods Pro-
Spatial Audio for AirPods Pro is a feature introduced by Apple that provides an immersive and three-dimensional audio experience for users. It is designed to work with supported devices running iOS 14 or later, and macOS Big Sur or later. Spatial Audio creates a virtual surround sound environment, allowing sounds to appear as if they are coming from all around you, even as you move your head.
Here’s how Spatial Audio works with AirPods Pro:
- Head Tracking: Spatial Audio utilizes the built-in gyroscope and accelerometer sensors in the AirPods Pro and the device (iPhone, iPad, or Mac) to track the movement of your head and the position of your device.
- Dynamic Sound Field: Based on the head tracking data, the spatial audio algorithm adjusts the sound field to keep the audio anchored to your device’s position. This means that if you turn your head or move your device, the sound directionally adjusts to give you the illusion that the audio is coming from a fixed point in space.
- Virtual Surround Sound: With spatial audio, it can create a sense of 3D space, and sound objects can appear to be placed all around you, creating a more immersive listening experience for movies, TV shows, and other content.
To use Spatial Audio with AirPods Pro:
- Ensure Compatibility: Make sure your AirPods Pro are updated to the latest firmware, and your device is running iOS 14 (or later) for iPhones and iPads, or macOS Big Sur (or later) for Mac computers.
- Enable Spatial Audio: On your iPhone or iPad, go to “Settings” > “Bluetooth.” Connect your AirPods Pro if not already connected. Tap the “i” icon next to your AirPods Pro name, and you should see the “Spatial Audio” option. Turn it on.
- Compatible Apps: Not all apps support Spatial Audio. However, many video streaming apps like Apple TV, Disney+, and others have started incorporating Spatial Audio support for compatible content.
- ready.
How does spatial audio work-
Spatial audio is a technology that creates a three-dimensional sound experience, making it feel like sound is coming from different directions and distances around the listener. It aims to mimic the way we perceive sound in the real world, where sounds can come from various locations and move as we move our heads.
Here’s how spatial audio works:
- Head Tracking: To achieve spatial audio, the device or headphones need to track the position and movement of the listener’s head. This is typically done using built-in sensors such as accelerometers and gyroscopes in the headphones or the device itself. As the listener moves their head, the system updates the audio playback to adjust the perceived direction of sounds.
- Sound Object Positioning: Spatial audio involves breaking down audio content into individual sound objects. These sound objects are given specific positional information, including their location in 3D space relative to the listener. Each sound object is associated with a specific direction, distance, and elevation.
- Binaural Audio Processing: To deliver spatial audio, the system uses binaural audio processing techniques. Binaural audio simulates how our ears receive sound, considering the unique cues received by each ear due to the shape of our head and the distance between our ears. The audio signals are processed in such a way that, when played through headphones, they create the illusion of sounds coming from different directions around the listener.
- Dynamic Sound Field: As the listener moves their head or the device, the system dynamically adjusts the sound field to match the listener’s orientation. This means that the perceived direction of sound objects changes as the listener turns their head, just like in the real world.
- Content Metadata: To enable spatial audio, content creators can encode metadata within the audio signal that provides positional information for each sound object. This metadata helps the spatial audio system to accurately place sound objects in the 3D space around the listener.
- Compatibility and Processing Power: Spatial audio typically requires specialized hardware and processing power to perform the complex calculations involved in real-time audio rendering. Therefore, not all devices or headphones support spatial audio.
Spatial audio is commonly used in various entertainment mediums, such as movies, TV shows, video games, and virtual reality experiences, to create a more immersive and engaging audio experience for the users.
Explain Spatial audio head tracking-
Here’s how spatial audio head tracking works:
- Sensors and Tracking: The head tracking process relies on sensors, such as accelerometers and gyroscopes, which are integrated into the headphones or the device being used for audio playback. These sensors detect the motion and orientation of the listener’s head in real-time.
- Head Movement Detection: As the listener moves their head, the sensors continuously monitor the changes in the head’s position and movement. The sensors provide data that indicates the rotation and tilt of the head along the x, y, and z-axis.
- Real-Time Audio Adjustment: The head tracking data is fed into the spatial audio processing system. The system processes this data along with the positional information of individual sound objects (derived from content metadata) to determine the appropriate adjustments required for the audio playback.
- Dynamic Sound Field: Based on the head tracking data, the spatial audio algorithm adjusts the sound field to maintain the audio’s perceived direction relative to the listener’s head. This means that as the listener turns their head left or right, up or down, the system updates the audio playback so that the sound appears to come from different directions, just like in the real world.
- Immersive Experience: By coupling the head tracking technology with spatial audio, listeners can experience an immersive and interactive audio environment. For example, if you are watching a movie with spatial audio and head tracking, you can turn your head to the left, and the audio will dynamically adjust, making it sound like the audio is coming from the left side of the virtual soundstage.
- Natural Sound Perception: Spatial audio head tracking enhances the realism of the audio experience. It allows sound objects to maintain their perceived position in relation to the listener’s head, simulating how we naturally hear sounds in the real world.
Spatial audio head tracking is especially valuable for applications like virtual reality (VR) and augmented reality (AR), where maintaining an accurate audio soundscape as the user moves their head is crucial for a convincing and immersive experience.
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EDUCATION
Bachelor’s tech in CSE, 2019-23
Aaryabhatta Knowledge University, Patna.
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Raghav Suryavanshi, (Sachin Singh)
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