Qualcomm announces the aptX Voice Bluetooth audio codec for improved voice call quality
At CES 2020, Qualcomm announced a new Bluetooth audio codec aimed at improving voice call quality. Aptly named aptX Voice, the new codec is part of the aptX Adaptive audio family. While mobile carriers have made great strides improving the voice call quality on their networks in recent years, users have not able to enjoy many of the improvements when they’re making calls over Bluetooth.
Qualcomm claims its new aptX Voice can fill this gap by offering the same HD quality voice over Bluetooth that we enjoy on our smartphones.
“aptX technology revolutionized the Bluetooth stereo listening experience by bringing unprecedented wireless audio quality, and aptX Voice is set to do the same for voice calls”
Think of aptX Voice as aptX HD but for voice calls. The codec offers 32KHz sampled audio with a flat 16KHz frequency response which is significantly better than those offered by the narrowband Bluetooth codecs within the Bluetooth Handsfree Profile usually capped at a 8KHz sample rate. Qualcomm says the super-wideband support allows the codec to deliver superior voice clarity and speech intelligibility compared to the existing codecs. The codec will also reportedly make it easier to hear faint talkers, accented speakers, and double-talk, i.e. when both parties are speaking at the same time.
The aptX Voice will be offered as an optional codec in the aptX Adaptive suite. The codec is already supported on the Qualcomm Snapdragon 865 and Snapdragon 765 Mobile Platforms. It will be available for licensing to headphones and accessories makers as part of Qualcomm’s new range of Bluetooth Audio chips which the company plans to release later in 2020.