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Experimented with NS a bit...

Posted by McGruder (A) on February 1, 2009 at 07:36:44

In Reply to: RE: Noise shaper = Digital feedback posted by Dr.Phil on January 31, 2009 at 13:08:38:

I spent some time last night and today listening to a few CDs and SACDs using Filter setting 1 as a constant, and experimenting with the Noise Shaper filter.

For certain recordings, I'm experiencing some of what Dr. Phil describes above. It seems there is a tightening, or dare I say thinning, in the lower to lower mid bass region which allows the vocals, bass drums, and bowed string instruments in particular to step forward more in the overall presentation when NS is on. This seems to benefit discs that might be a little more warm, perhaps tending towards muddy or congested bass and midrange, or maybe rich in bass content - I'm thinking Daniel Lanois (Here Is What Is) produced discs as a good example. I also like the effect its having on my Andrew Bird CDs with it's widespread use of strings (violins and acoustic guitars) and subdued, breathy sounding vocal he uses. It adds a little sparkle in the upper midrange. And Dr. Phil is right, at louder volumes this seems to help these kind of recordings sound a good deal better.

On the other hand recordings that sound a little thin in the bass registers do not benefit from this setting. A good example are several Bob Dylan older SACDs. I still prefer to hear the older ones up until Nashville Skyline or so with the NS turned off. This is far more subtle however, in other words, the NS does not affect these recordings that much - or perhaps I'm even imagining it - I think they sound subtly better with the NS turned off. The Lanois produced ones, such as "Oh Mercy" perhaps sounding better with the NS turned on - less compelling than on Lanois' releases under his own name.

All of this is subject to a lot more experimentation and combination with the other 2 filter settings for each format, compressed recordings vs uncompressed etc. My general approach about these settings is to figure out what combo will benefit the majority of my collection, and leave it that way unless I'm critically listening. In any case, the NS filter seems useful to me, and I appreciate the tip :)

Ken

Edits: 02/01/09 02/01/09

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