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Key aptX™ 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
aptX™ Tech Specifications
Sound quality
- 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
Audio Encoding
- 16-bit, up to 48kHz sampling rate
Program memory usage
- 3.3kwords (encoder) / 3.6kwords (decoder)
Data memory usage
- 1.8kwords
ARM MHz
- ~63MHz (stereo encode) on ARMv7A with NEON
Bit Rate
- 384 kbps (48 kHz sampling)
