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#LC3 2 posts

Bluetooth Codecs Compared — SBC, AAC, aptX and LDAC by the Numbers

LDAC's 990kbps is 70% of a CD's data rate; AAC's 256kbps is 18%. But iPhones stop at AAC, and LDAC drops to 330kbps when conditions are poor. Here is every codec converted against the source.

AudioJul 29, 20265 min

Bluetooth 5.3 vs 5.4: Why Your Earbuds Won't Sound Any Different

Bluetooth 5.4's new features — PAwR and Encrypted Advertising Data — were built for electronic shelf labels, not audio. What actually changes sound is LE Audio and the LC3 codec. Here is the real 5.3 vs 5.4 difference, straight from the official spec documents.

AudioJul 25, 20265 min