AptX-enabled acoustic systems
— the function of Bluetooth speakers (see the relevant paragraph), which allows you to significantly improve the sound quality of such acoustics.
Initially, when transmitting via Bluetooth, the audio signal is highly compressed, and the sound quality is rather poor. The aptX codec corrects the situation: it provides signal transmission in quality comparable to Audio CD — 16-bit/44.1kHz. And although the actual sound quality of aptX is still somewhat inferior to the classic Audio CD with a wired connection, however, this point is most often not fundamental, and besides, the perception of sound is largely a subjective issue. Also note that in addition to the original aptX, a more advanced aptX HD can be used in modern technology — its capabilities are already being compared with Hi-Res audio 24-bit / 48kHz.
Of course, to use the appropriate codec, it must be supported by both acoustics and the signal source.
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