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Bluetooth speaker or WIFI speaker which is better

2021-05-19 12
1 technology comparison
From a security perspective, Bluetooth one-to-one transmission is more private. WiFi is also easily disturbed when there are many users, music synchronization is unstable, and packets are easily lost. If the two technical advantages are combined, it will solve the wireless audio bandwidth, energy consumption, connection mode and other problems. Compared with Bluetooth technology, WiFi has a higher data transmission rate. The 150M transmission bandwidth can fully meet the needs of lossless music and high-definition video transmission. There is no waveform distortion and loss of detail due to pinching and tailing. It has better anti-interference performance and can be matched with quality. Higher audio CODEC, better audio indicators, and can penetrate walls, so it is regarded as an ideal technology to achieve high-quality wireless music playback.
Of course, WiFi is not perfect. From a security perspective, Bluetooth one-to-one transmission is more private. WiFi is also easily disturbed when there are many users, music synchronization is unstable, and packets are easily lost. If the two technical advantages are combined, it will solve the wireless audio bandwidth, energy consumption, connection mode and other problems.

At the same time, Bluetooth is also showing a trend toward WiFi. Bluetooth technology has been involved in IEEE 802.11 since Bluetooth 3.0. It is expected that high-speed data will follow the 802.11 specification and low-speed data will follow the Bluetooth channel. The latest generation of Bluetooth 4.0 technology has increased the data transmission rate to 24Mbps, and the transmission distance has also been expanded to 60 meters, which is sufficient to meet the needs of lossless transmission. The Bluetooth 4.0 low-power version reduces power consumption by 90%. Generally speaking, Bluetooth 4.0 audio devices have lower power consumption, and their advantages are in the portable audio-visual market, which will become standard peripherals for smart terminals; while the advantages of WiFi are in networked solutions, home entertainment, engineering audio systems, and high-quality cloud music. Its point of effort.


Bluetooth speaker or WIFI speaker which is better


2 cost comparison
Compared with technology, cost is the biggest obstacle for WiFi to replace Bluetooth in speaker applications at this stage. The WiFi speaker solution requires an external CPU (cost of 12-14 US dollars, used to check the IP password address) or at least an MCU; while the Bluetooth speaker does not require any external connections, and the overall cost is only RMB 20. At present, Bluetooth speakers on the market can be sold for 50 yuan per unit, while the price of WiFi speakers is still as high as 1,000 yuan.

3 Comparison of push methods
The way of pushing music between Bluetooth speakers and WiFi speakers is quite different. For example, if you use a Bluetooth speaker to play the music content of QQ Music, the first step is to download the data to the mobile phone client, the second step is to decode the phone audio, and the third step is to transfer the decoded sound file to the Bluetooth speaker. The player is a passive player. If it is played through a WiFi speaker, through the WiFi transmission protocol, only the link of the sound file is required to be transmitted, and the WiFi speaker will actively download the music file, decode and play the music directly on the speaker side. This difference makes the WiFi speaker react faster when playing high-quality files that take up more bandwidth. And the current mainstream online cloud music services all support the WiFi transmission protocol. In addition, WiFi speakers can be interconnected with other electronic devices that support WiFi in the home. Several devices can be connected one-to-many at the same time. Switching between devices is also very simple, unlike Bluetooth speakers with cumbersome pairing steps. If an operating system is added, the WiFi speaker can also independently select and play songs without relying on mobile phones.
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