It is not futile to improve Bluetooth call quality and push aptX Voice audio technology

ByMargarita Fleiszig 2020-01-10 871

[gearbest News] True wireless headphones that connect to smartphones via Bluetooth have become a trend. However, while people pay attention to convenience, they seem to pay more attention to the sound quality of listening to music, intelligent control and so on, but who has paid attention to its call quality? During the CES2020, Qualcomm, as consumers are well known, introduced Qualcomm aptX Voice audio technology, which is mainly used to provide high-fidelity voice call quality for Bluetooth wirelessly connected devices.

True wireless Bluetooth headset.

The ability to significantly improve the voice quality of dialed voice calls using Bluetooth accessories is a new feature of Qualcomm aptX Voice audio technology. Qualcomm said that aptX aims to improve the quality of music streaming using Bluetooth wireless technology, while aptX Voice uses a similar way to support a high-quality call experience, that is, to provide 32kHz voice call quality within the Bluetooth hands-free specification, bringing a very clear voice call experience for consumers.

AptX Voice supports 32kHz sampled audio with 16kHz smooth frequency response, thus providing the high-definition quality that consumers expect from aptX series audio codecs. In addition, the high definition of, aptX Voice technical support helps:

1. Provides clearer voice than narrowband or wideband speech codecs used in Bluetooth hands-free specifications, and improves overall sound quality clarity.

Two。. Improve semantic understanding by making it easier to recognize speech, distinguish confusing sounds, and understand the semantics of speakers with accents.

3. It is easy to distinguish near-sounding words, such as's' and'f', which are often difficult to distinguish in a phone call.

4. Enable consumers to hear the weak voice of the speaker and understand two-way calls when multiple people are talking at the same time.

5. Achieve better speech understanding in other environments with impaired sound quality, such as when the caller is hands-free or when there is background noise.

It is reported that the technology has been supported on Qualcomm Snapdragon 865 and Qualcomm Snapdragon765 mobile platforms. Related accessories will also support this technology on a series of new Bluetooth audio SoC to be released soon.

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