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SBC: Blue
AAC: Teal
AptX HD: Yellow
AptX: Purple
AptX LL: Green
LDAC: White
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Frequency Response Diagram of Curve 1.
(RX) LDAC frequency response Test condition: LDAC connecting, -5dB sinusoidal signal, 96kHz 20Hz-20kHz, 10KΩ loaded headphone output
Frequency Response Diagram of Curve 2.
Test condition: USB DAC input, -5dB sinusoidal signal playing, 48kHz 20Hz-20kHz, 10KΩ loaded line-out output
Frequency Response Diagram of Curve 3.
SPDIF frequency response
Distortion Diagram of Curve 3.
(RX) LDAC distortion
Distortion Diagram of Curve 2.
SPDIF distortion
Distortion Diagram of Curve 1. Test condition: USB DAC input, -3dB sinusoidal signal playing, 48kHz 20Hz-20kHz, 10KΩ loaded line-out output