Qualcomm® aptX™
Consistent, high quality audio over Bluetooth
The tech that delivers a high quality wireless audio experience
The original aptX audio technology powers the wireless sound behind many of the world’s finest devices that you love, so you can stream music from your favourite media services without compromising on sound quality.
aptX audio is a bit rate efficient technology that ensures you receive high quality audio from your Bluetooth® device, so you have a better listening experience.
Key Features
Consistent audio quality
Fixed compression ratio ensures consistency
Full spectrum of sound
From 20Hz to 20kHz, aptX audio covers the human hearing range
Interoperability testing program
We operate rigorous testing for all aptX enabled products, so you can be confident all products will deliver the same audio quality
Technical Specifications
- THD+N@1kHz: -67dB
- SNR@1kHz: 93dB
- PEAQ audio quality:-0.18
- Qualcomm® Kalimba™ MHz DSP technology: 42MHz@48KHz stereo decode ~45MHz@48KHz stereo encode
- 16-bit, up to 48kHz sampling rate
- 3.3kwords (encoder) / 3.6kwords (decoder)
- 1.8kwords
- ~63MHz (stereo encode) on ARMv7A with NEON
- 384 kbps (48 kHz sampling)
The other versions of aptX
By adapting sound to the use case, say watching a video rather than listening to music, it optimizes your experience and brings improved robustness for a better listening experience, fully synchronized audio and video and an overall more seamless user experience.
aptX™ HD is designed to deliver high definition (HD) audio over Bluetooth, to help you get the very most from your music.
Designed to deliver fully synchronized audio and video content, just the thing for using a Bluetooth wireless headset for gaming, where milliseconds mean virtual life or death.
Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.