Smartphone manufacturers have been improving the voice quality on smartphones through better hardware every time to offer the best voice quality experience to users. In the past, brands like Xiaomi have also experimented with Cantilever piezoelectric ceramic acoustic system instead of an earpiece. Although the voice call quality also depends on the network, the quality of the voice calls made through Bluetooth accessories is not there yet. Now, Qualcomm’s new aptX voice codec aims to solve this issue and this comes after the introduction of aptX and aptX HD technologies for music streaming previously.
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