Why is the best mini computer speakers Delayed
author: huang
2022-09-27
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Why is the best mini computer speakers Delayed
With the development of science and technology, more and more users use Bluetooth audio to listen to music. The use of Bluetooth audio saves a lot of wiring trouble and will not be limited by the placement position. How should we deal with the delay of Bluetooth audio?
Bluetooth audio version
Bluetooth protocols include 1.0, 2.0, 2.1, 3.0, 4.0 and 4.1. The transmission speed of Bluetooth 2.0 is about 1.8Mbps~2.1Mbps, while the data transmission rate after Bluetooth 3.0 is increased to 24Mbps, and the bandwidth is expanded about 8 times. Therefore, for some low-end Bluetooth audio systems, or old computers and mobile phones, if the version of the Bluetooth protocol is too low and the bandwidth is too small, the transmission of audio streams will be affected, resulting in delayed sound.
In order to obtain better transmission rate, it is recommended to improve the protocol version of Bluetooth.
1、 Transmission distance
Bluetooth is defined as point-to-point communication within a short range. In case of certain obstacles, the transmission distance of Bluetooth is about 10 meters. For mobile phones and other devices, in order to save power, the transmission power of Bluetooth will be limited. Therefore, if barriers such as walls are isolated in the middle, the data transmission quality of Bluetooth will be affected to a certain extent.
In order to reduce the delay of Bluetooth transmission, try to be close to the audio and reduce the isolation of obstacles.
2、 Disturbance of wireless devices
Bluetooth operates in the 2.4GHz frequency band, which belongs to the free industrial, educational frequency band. For example, wireless mouse and keyboard, microwave oven, router and other devices operate in this frequency band. The mutual interference of various wireless devices will lead to the delay of Bluetooth data transmission. In addition, the Bluetooth and Wi Fi of most mobile phones are planned to share a 2.4GHz antenna. If Wi Fi downloading is used during the broadcast of mobile Bluetooth, the transmission rate of Bluetooth will also be seriously affected.
Therefore, if Bluetooth and Wi Fi are required to work together, the router is set to use the 5GHz frequency band.
3、 Disadvantages of Bluetooth audio/mobile phone
If there are too many background working programs on the mobile phone and the resources are occupied by other programs, the Bluetooth audio broadcast will also be delayed. It is suggested that the mobile phone background work procedures should be sorted out to release mobile phone resources.
If the Bluetooth audio has shortcomings, it may also cause the Bluetooth audio to delay. You can reset the Bluetooth audio to solve this problem.
