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What makes strings sound "sweet"?

I have always wondered about this. If you listen to many recordings of bowed string instruments, then you know that the upper registers can sometimes have a sweet tone. I define this by what it is not - edgy, brittle, dry and rough sounding. It is smooth and inviting. I used to assume this was due to rolled off highs or an emphasized midrange, but I am not so sure. It varies by recording, or course, but I have often wondered what, in the recording or reproduction process, causes strings to either sound brittle or sweet. Is it the acoustic of the original recording venue? A frequency balance issue? I would love to hear from those who might know. Thanks!
bondmanp
viridian's avatar
viridian
4,184 posts
 
I believe that would be "Peak Consult", though I wouldn't mind having a peak at a consort, no matter what she sounded like.
josh358
225 posts
 
Steely violins are caused by bad mic placement. Violins radiate different frequency bands in different directions. For that reason, if you place a microphone right above a string section, it will sound shrill and steely. One solution is to try to equalize the shrillness out of the feed. A better one is to mike the orchestra properly, with a stereo pair flown above the front of the stage.
mapman's avatar
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mapman
15,679 posts
 
Josh,

That's an interesting observation I have not heard before. but it makes sense and seems consistent with what I have heard live over the years!
josh358
225 posts
 
I learned that from Toole's book, if you have access to it there's an interesting illustration of the weird directional characteristics of violins in Fig. 3.3.

Here's the paper Toole references, but they want $25 for it:

http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JASMAN00005100006B001994000001&idtype=cvips&gifs=yes&ref=no

Also an AES paper called "Tonal Effects of Classical Music Microphone Placement":

http://www.aes.org/e-lib/browse.cfm?elib=11768
rtn1
535 posts
 
I have a substantial collection of classical music. The strings sound fantastic on over 90% of the recordings. Folks, it's not the recording's fault.

The ability to portray both massed strings, and solo violin, is a major litmus test for system evaluation. Again, many components contribute, BUT, the cables are absolutely critical. I have come to appreciate this over the past several months. Specifically, having the right mix of materials. I must remark that Jade Audio cables really hit the nail on the head in terms of providing both that bite and sheen, along with the beauty, depth, and texture of strings. The real deal.
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