The number one reason why the sound quality of wireless earphones cannot beat wired

The number one reason why the sound quality of wireless earphones cannot beat wired

 


There are many great Bluetooth headphones out there.

The AirPods Pro, Sony WF-1000XM4, and Jabra Elite Active 75t dominate the earphone market, while the Sony WH-1000XM4 and Bose Noise Canceling Headphones 700 are among the best over-ear types.

However, while these headphones can provide a high degree of sound quality in a variety of situations, they are not as good as wired headphones. The reason is explained below.

Streaming services have recently improved audio quality.

Over the past year, other services such as Apple Music, Amazon Music, and Spotify (coming soon) have also offered high bitrate lossless services, all at the same rates as before.

What is the audio quality?

For those of you who don't get the hang of hearing these buzzwords, here's a little more detail. Digital music, like any other digital product, is made up of digital information (1s and 0s).

The more information that can fit in one file, the better the audio quality. Ideally, you should get as much information as possible and fully enjoy the charm of the song.

However, information occupies space. The more information a file has, the more space it occupies and the heavier the streaming load.

To solve this problem, streaming services are compressing files and deleting information.

The strategy is to remove enough information to reduce the file size while leaving enough information that many people don't notice any deterioration in the quality of the song.

This involves bitrateBit rate is the amount of data that can be transferred in a file.

The higher the bit rate of the file, the more information you can transfer, and often the better the quality. The lower the bit rate, the lower the transfer volume and the lower the quality.

With lossless streaming, this compression is rarely done, and you can listen to it as close as possible to the original recording material.

Why wireless headphones can't beat wired headphones

Bluetooth has a limited bit rate that can be processed.

Even if you set a streaming service such as Apple Music to play lossless, those files will be compressed as much as possible on the Bluetooth device, so it will not be lossless.

However, the sound quality of the music does not deteriorate, but rather the opposite. For example, Apple Music uses the AAC Bluetooth codec when playing music on Bluetooth headphones, with a bit rate of 256kbps.

The maximum bit rate for Spotify is 320 kbps. With such a bit rate, even Bluetooth headphones will have high sound quality.

Even Sony's flagship product, the WF-1000XM4, has a maximum bit rate of 990 kbps. This is about three times the bitrate of traditional Bluetooth audio, but it's still not enough for lossless.

Wired headphones, on the other hand, do not have this compression problem.

It can fully process the signal from the source device, but in some cases, the source device may not be able to handle the headphones. Some headphones require more power to get the most out of them.

So you need a unit like a DAC to support both file quality and headphone quality. For example, to enjoy the highest bitrate losslessness on Apple Music, you need a DAC no matter what wired headphones you use.

However, there are also wired headphones from the pin to the edge.

To be fair, there are a variety of wired headphones out there. Wired doesn't mean it sounds better than AirPods.

Many wireless earphones and headphones have technology that makes them sound great.

Inexpensive wired headphones that don't have that feature are more likely to have much better sound quality with AirPods in a compressed format, even if they capture the lossless signal sent by the streaming service.

Not only the bit rate but also how the headphones make the sound.

One day, wireless technology may be able to deliver lossless signals directly to the ear. But for now, the technology is limited to wired headphones.


If you ever want to know about similar things, check out the Facebook page Maga AI

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