ldac favors audio quality

_DAC is a wireless audio encoding technology developed by Sony that was first unveiled at the big CES consumer electronics show in 2015. At the time, Sony said that the LDAC technology was as much as three times more efficient than the standard Bluetooth encoding and compression system. That way, those high-resolution audio files won't be overly compressed to the point of great loss of sound quality when they're transmitted wirelessly.

_Guardian_PCM_High-Resolution Audio

_LDAC technology maintains its maximum bit depth and frequency range, allowing for high-quality transmissions of up to 96kHz 24bit audio. In contrast, the traditional Bluetooth audio transmission technology, before transmitting LPCM audio, the first thing you need to do is to "degrade" the high-resolution video to 44.1kHz16 bit CD quality, and then through the 328kbps transmission, which is equivalent to two substantial loss of information, and the final quality is far from the CD quality. The final quality is far from CD quality.

_DAC offers three transmission modes, starting with a 990kbps mode that puts quality first, followed by a default 660kbps normal mode, and finally a 330kbps mode that's about the same as the standard Bluetooth standard, primarily to ensure a quality connection. We can see in the Android O Developer Preview screenshots that LDAC offers these same three transfer modes in that system.