Hi Siarhei, > > If we try to use more realistic settings similar to the recommended high > > quality settings from SBC specification (Table 4.7): > > ./sbcenc -j -S -b 51 BigBuckBunny-stereo.au >BigBuckBunny-stereo.sbc > > > > bluez 16-bit fixed point: > > stddev: 43.82 PSNR: 63.48 bytes:114491016/114491308 > > > > bluez 32-bit fixed point: > > stddev: 43.78 PSNR: 63.49 bytes:114491016/114491308 > > > > reference encoder: > > stddev: 43.37 PSNR: 63.57 bytes:114491016/114491308 > [...] > > PS. I still wonder why there is a loss when compared to reference encoder. > > 32-bit fixed point version should be even more precise than single > > precision floating point. Maybe there could be another minor bug in the > > code, or it is just a random deviation and there could be a win for other > > audio files. > > Found what's the matter. It's a problem in subbands selection criteria for > joint-stereo. The following patch fixes it. patch has been applied and pushed upstream. In the future, please leave the Signed-off-by line out of it. That one is only a requirement for kernel code and I never required it for BlueZ. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
