January 17, 2022

Herald of Fashion

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Apple wants to break the Bluetooth barrier

Bluetooth is a ubiquitous technology used throughout the industry. Apple relies on it for all kinds of products, including airplanes, but the tube is very small: ” Of course we want more bandwidth “Gary Kieves, Apple’s vice president, explains on the” acoustics “site What hifi.

We have to focus very hard on using Bluetooth technology, we have many tips at our disposal to increase or override some limitations of Bluetooth. “. Manager who participated in the design of airports and in particular Airports3, Suggests between the lines that Apple is working in a way to amplify or ignore the issue of Bluetooth.

Wireless technology is important for delivering the content we speak “What he says about Bluetooth,” But this is also what causes the delay when you move your head (He refers to spatial audio). Of course, Kievs avoids saying too much, maybe he should have said too much! Higher bit rates, for example, will allow future headphones to take advantage of lossless audio with files heavier than standard AAC. Why Planned 2nd Generation AirPods Pro (More or Less) For next year ?

Everyone on the bridge

Interview conducted What hifi Full of information and details about the design of the latest headphones AirPods 3 Good but nothing else Launched by Apple. Although Gary Kiev’s teams have developed this product based on a solid analytical foundation, this is not enough. ” Over the years, we have carried out a lot of measurements and carried out extensive statistical research to achieve the goal of acoustic analysis. 2, describes the structure of the apple.

This information helps keep the builder on track, but this is only part of it. ” We understand that listening to music is an emotional experience that people are deeply connected to. “Apple works with listening experts.” Those in the audio industry who are trying to fine-tune the sound signature of each product, in this case airports, the sound reproduction is accurate, but moving excitingly .

And it is far away. For Airboats 3, it is also necessary to manage the issue of spatial audio. This cannot be missed here, which is why Apple is taking advantage of its privileged position in the music world to further improve the audio quality of headphones. The groups responsible for Apple Music, but GarageBand and Logic contribute their talents and their address books, so sound engineers and artists come to put their two cents.

And in general, it’s a hell of a job to come up with a satisfactory solution for listening better in spatial audio than stereo. ” The shape of your ears, the width of your head, and to some extent the position of your facial features and even the shape of your head ensure that everyone hears sounds different from each other. »Refers to Geaves.

These differences can be calculated and divided into categories. The transmission function associated with the head is called (HRTF) “Apple has made thousands of HRTF measurements. Complex and difficult to do: We measure sound, responding to the speaker in different directions from your ear “. The goal was to bring the best HRTF that works for everyone.

This is not a question of creating an average, but an HRTF measurement that is as close as possible to everyone’s opinion. As Gary Kieves points out, it’s easy to create. ” Stable demo »For most people, creating a function that suits most productions and many genres of music is not so easy.

The last funny and significant information about the work Apple has done for Spatial Audio: When watching a movie on Apple TV, the virtual speakers are positioned “further” from their position when listening from the iPhone. This is well thought out because it would be a bit strange to place the speakers so far away from the small screen of the smartphone.

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