adamdea wrote: > WE still keep ploughing with this (slight) fallacy. It is not enough to > say that the level of quantisation noise (shut up Arnie) is equal to > that of the recording in order to capture it. >
Attack me as a person as you will. It still won't make the myths you seem to believe in, and your utter misunderstanding of the topic at hand, relevant or true. I never said: "That the level of quantisation noise is equal to that of the recording in order to capture it." Given the insulting tone of your post it is hard to say if you are intentionally publishing untruths, or simply innocently unaware of how digital audio technology works. In any case your post and the relevant facts about digital audio have nothing to do with each other. A key sentence: "Difficulty hearing speech in background noisea poor SNRoften leads to dissatisfaction with hearing-assistance devices." In fact speech and music in modern recordings that meet the usual professional standards is at a far higher level than that of any noise in the recording as compared to that related to the use of hearing assistance devices, which may higher than that of any speech or music. > > It surely has to be necessary that the additional noise from > quantisation will not perceptibly increase the total noise. Adding the > same power of noise again =3dB increase which I think should be > noticeable > http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4335553 I suggest that one and all read this article and see that in fact it has nothing at to do with quantization noise. It is about the effects of natural ambient noise such as crowd noise, on people's ability to hear natural sounds such as speech and music in situations where the actual SNR is very poor. In the situations addressed by the cited paper, the voice and music may even be at a lower level than the ambient noise. > > I would have thought you'd want an extra bit to be on the safe side. That's a very hand wavy claim, and one that seems to attempt to supercede science with speculation. ------------------------------------------------------------------------ arnyk's Profile: http://forums.slimdevices.com/member.php?userid=64365 View this thread: http://forums.slimdevices.com/showthread.php?t=105717
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