aptX is still free to implement on the encoding side, like on Windows or macOS or Android, but you need a Qualcomm chip on the decoding side, like on earphones

aptX is still free to implement on the encoding side, like on Windows or macOS or Android, but you need a Qualcomm chip on the decoding side, like on earphones or speakers, so I wonder if it makes much difference even if the decoding side becomes open source.