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For me it means that I'm getting the full import of the recording. It seems that in some cases noise reduction is used in producing CDs, and I also notice it with certain audio equipment. Zero noise might be a good marketing point, but I'm quite happy to hear a bit of hiss, with the added low-level ambience it often brings.
Follow Ups:
Very likely, when you hear hiss it is on the original master tape from an analog recording. If you hear no hiss then the recording was likely made all digital. Added dither noise in digital recordings is so small that you will not hear it. I know what you mean when you hear a little hiss before the music begins, it is like a comfort blanket that gives you a sneak peak as to how loud the music will be so that it doesn't just jump out of dark at you. And it means the original recording was analog, which you might think is a good thing, so you're predisposed to liking it. It certainly means that the recording was not no-noised during mastering and that is a good thing (IMHO).
Actually more to the point is having a full digital recording with the signal going back and forth into analog during mixing tending to diminish low-level ambience.
Thank you for that info. I didn't realize that full digital recordings had no hiss (I'm assuming the same is true for digital recordings before 1992 when they were converted back and forth into analog in the mixing process).
but like Mike K I only notice it if the music is bad. If it's good my brain does a good job of filtering it out. Persistent and nasty tape hiss is another matter. I don't miss that crap at all.
"Dither is one of the least understood topics when it comes to mixing and mastering, but it can actually come in handy. We've compiled a one-stop shop for understanding when, why and how to use dither""So, what is dither? It's a form of low-level noise that is intentionally added to a digital audio file as it's rendered to a lower bit depth. The concept of dithering might seem counterintuitive, but it's an effective process. Dither noise actually masks what's called "quantization distortion," which causes noise and artifacts in digital audio. Before we go into the specifics, it's useful to quickly review some basic concepts about digital audio "
I have a CD player that has adjustable increments in 7 levels of Dither. IT DOES MAKE A DIFFERENCE, PERIOD.
"With streaming and Hi-Res content replacing the trusty CD, even less attention is paid to this once cornerstone of audio quality"... "In a nutshell, dither is a randomized coding sequence applied to 16-bit audio masters in order to reduce quantization noise"
Here's a link to some explanations because IT IS NOT AUDIBLE NOISE like others may think.
Another link- https://www.soundguys.com/what-is-dither-23700/
Edits: 02/12/24
then some hiss does not matter, because I'm concentrating on the music. Same applies to 30s/40s recordings remastered from 78s. A few clicks or ticks or pops are OK if the music is good enough. If the music isn't good, then I don't care how good the sq is.
Lack of skill dictates economy of style. - Joey Ramone
After writing this I'm thinking that soon it will probably be possible to remove hiss and other artifacts from recorded material using A.I. without affecting the quality of the music.
Ahhh, AI remastered music - perfect sound forever. :)
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