Popular Science: What is the difference between a Bluetooth transmitter and a Bluetooth receiver?

August 17, 2021
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  The development of Bluetooth technology changes with each passing day, but there are still many products that do not have Bluetooth functions, such as desktops, TVs, and stereos. However, the convenience of wireless is indeed irreplaceable. If you have used wireless products, you will know how cumbersome wired things are. Now there are Bluetooth transmitters and receivers. You can add Bluetooth functions to countless products in just one step. Not only the TVs and computers mentioned above, but also various products including projectors and cars, as long as they have an AUX interface (3.5 mm socket) can be used.


However, the functions of the Bluetooth receiver and transmitter are different. For example, when a computer connects to a Bluetooth speaker, the computer generates a sound signal and transmits it to the Bluetooth speaker via Bluetooth. In this process, the mobile phone is the transmitter and the Bluetooth speaker is the receiver. So the principle is also different, so there are two products, one for the receiving end and one for the transmitting end.


As the name implies, the Bluetooth transmitter is used for devices on the transmitter side, such as desktop computers and TVs. As long as the Bluetooth transmitter is plugged in, it will instantly become a Bluetooth product without installing any software. Equipped with an audio cable with 3.5mm plugs at both ends, one end is connected to the computer, the other end is connected to a Bluetooth audio product. When you use this product on an old desktop computer, you will feel the resurrection of the old product, just at the moment of connection. .


The same is true for the receiver, which is used by the equipment at the receiving end. This is also widely used. All audio, earphones and other playback devices, Bluetooth receivers can turn them into wireless devices. For example, there is a favorite headset, but now many mobile phones do not have a headphone jack, or the home audio is connected to the mobile phone and needs to be connected. It is very troublesome. If you want to listen to the songs on the mobile phone when driving out, you have to plug in the cable. At this time, such a model The product comes in handy. The Bluetooth receiver turns all wired playback devices into wireless. It is not only a rescue of the old equipment, but also a new way to welcome the future.


One receiver and one transmitter can add Bluetooth function to home appliances and digital products. One Bluetooth can be shared by the whole family, which will undoubtedly save a lot of costs while solving problems.

However, different Bluetooth receivers are very different. As an audio device, the sound effect is definitely the most important thing, and the Bluetooth transmitters on the market can save money in this respect. There are not many that support Bluetooth 5.0. As we all know Compared with the previous generation of Bluetooth 4.2, Bluetooth 5.0 has improved transmission rate, stability, penetration capability, and connection distance, which is basically a disruptive upgrade.


In addition, not to mention the advanced functions such as HiFi lossless decoding and powerful denoising, HiFi lossless decoding can restore the sound almost intact, and the sound quality can be better presented. The strong noise cancellation can support the equipment to cope with multiple scenarios. For example, if the noise of a car is serious, this function is reflected. Under the action of strong noise cancellation, various noises can be attenuated to almost inaudible.