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Jeff Shepard

What are the computational requirements of immersive audio?

December 1, 2023 By Jeff Shepard

There are several ways to implement immersive audio, each with different computational and hardware needs. Calculation of the head-related transfer function (HRTF) is an important aspect of deploying immersive audio. This FAQ begins by detailing what an HRTF is, looks at an open-source program for calculating HRTF, and then considers how cameras and inertial measurement […]

Filed Under: Applications, AR/VR, Audio, FAQ, Featured Tagged With: FAQ

What’s the difference between object- and channel-based audio?

November 29, 2023 By Jeff Shepard

Immersive audio uses various channel- and object-based techniques to deliver a high-quality listening experience. There are three general categories of spatial audio: channel-based audio (CBA), object-based audio (OBA), and scene-based audio (SBA) — that’s the next generation of OBA. CBA is the simplest form of spatial audio, but it’s not immersive. The basic form of […]

Filed Under: Audio, FAQ, Featured Tagged With: FAQ

What codecs are there for immersive and 3D audio?

November 27, 2023 By Jeff Shepard

Immersive audio is a three-dimensional (3D) sound field created by combining lateral and overhead speakers. A variety of industry standard and custom codecs are available for implementing immersive audio. This FAQ reviews the operation of the MPEG-H Audio (universal immersive audio coding) codec and the still-under-development MPEG-I Immersive Audio (compressed representation for virtual and augmented […]

Filed Under: Audio, FAQ, Featured Tagged With: FAQ

How does artificial intelligence relate to immersive audio?

November 20, 2023 By Jeff Shepard

Tools like neural networks (NNs), machine learning (ML), and artificial intelligence (AI) are being applied to hard problems related to immersive audio. This FAQ will examine how NNs and ML are being used to up-mix audio tracks into their original constituent parts, how NNs are being used to produce personalized head-related transfer functions (HRTFs) and […]

Filed Under: Applications, AR/VR, Audio, FAQ, Featured Tagged With: FAQ

What is immersive audio and how does it work?

November 17, 2023 By Jeff Shepard

Immersive audio extends conventional surround sound technology into the third dimension. It adds height and more to the audio experience. This FAQ presents some of the basic concepts of immersive audio, looks at how ambisonics relates to immersive audio, and closes by looking at a new recommended immersive audio system design practice. Immersive sound transforms […]

Filed Under: Audio, FAQ, Featured Tagged With: FAQ

How many types of radar are there?

September 1, 2023 By Jeff Shepard

Radio detection and ranging (radar) uses reflected radio waves to detect and determine the distance, angle, and velocity of objects relative to the radar system. A basic radar system consists of a transmitter producing electromagnetic waves in the radio or microwave spectrum (these can be pulsed or continuous), a transmitting antenna, a receiving antenna (often […]

Filed Under: 5G, antennas, Applications, FAQ, Featured, Products, Wireless Tagged With: FAQ

If you are working with sensors here are some tools to consider: Part 2

August 28, 2023 By Jeff Shepard

Sensor fusion is increasingly important across a range of applications including automotive, industrial, consumer, portable, medical systems and others. It can be challenging to sort out the design issues and identify the optimal solution. That’s where electronic design automation (EDA) tools are handy. The best choice of EDA tool or tools for a given project […]

Filed Under: Automotive/Transportation, EDA, FAQ, Featured, Tools Tagged With: FAQ

If you are working with sensors here are some tools to consider: part 1

August 23, 2023 By Jeff Shepard

Sensor fusion is increasingly important across a range of applications including automotive, industrial, consumer, portable, medical systems, and others. It can be challenging to sort out the design issues and identify the optimal solution. That’s where electronic design automation (EDA) tools are handy. The best choice of EDA tool or tools for a given project […]

Filed Under: EDA, FAQ, Featured, Tools Tagged With: FAQ, sensor fusion

If you are working with power management here are some tools to consider, part 2

August 11, 2023 By Jeff Shepard

Power management encompasses a range of power converter types and topologies and includes systems like motor drives, ac/dc power supplies, dc/dc converters, and battery chargers. Designing compact, cost-effective, and efficient power management systems is challenging and requires a combination of skills in high voltage and high current design, control loop optimization, mitigation of electromagnetic interference […]

Filed Under: EDA, FAQ, Featured

If you are working with power management here are some tools to consider, part 1

August 7, 2023 By Jeff Shepard

Power management encompasses a range of power converter types and topologies and includes systems like ac/dc power supplies, dc/dc converters, LED lighting, and battery chargers. Designing compact, cost-effective, and efficient power management systems is challenging and requires a combination of skills in high voltage and high current design, control loop optimization, mitigation of electromagnetic interference […]

Filed Under: EDA, FAQ, Featured Tagged With: analogdevicesinc, FAQ, infineon, keysighttechnologies

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