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Bluetooth speaker Specifications
Aug 17, 2017

The current market on Bluetooth headset more products, and Bluetooth speakers are relatively small. The so-called Bluetooth speaker, actually refers to rely on Bluetooth transmission protocol as a carrier for data transmission of the speakers, because most of the mobile devices (mobile phones, notebooks, tablets) have Bluetooth chip, do not need data lines or audio line connection can be quickly recognized, easy to operate, easy to connect.

In terms of sound performance, the amount of valid audio data for CD quality data (1KHz sampling rate, 16bit sampling precision) is about 1.4Mbit, to transfer CD quality music signal, the transmission rate is only kept at 2Mbit per second can be achieved, Bluetooth "2.1+edr" specification is sufficient. Moreover, because this kind of product often follows the traditional speaker mature acoustic structure, after the integrated Bluetooth module realizes the wireless playback, its sound quality performance and the same level speaker product is similar.

Judging from the specs, although the Bluetooth 3.0/4.0 standard has been proposed, but the former mainly embodied in the Bluetooth RF modulation mode in the Wi-Fi, the latter is reflected in the application of automatic power control, that is, the low power consumption, from these two versions of the Bluetooth technology, but the progress of the audio application is not very much. From the chip-level applications, suitable for 3.0/4.0 version.

Bluetooth mainstream speakers are using $literal Stereo protocol, and 2012 smartphone tablets and other devices support $literal protocol, so the use of the angle, Bluetooth speaker there is no obstacle.


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