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Music Lane It's all about the music, dude! Sit down, relax and listen to some tunes. |
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Music Lane It's all about the music, dude! Sit down, relax and listen to some tunes. |
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In Reply to: Classical music listening issue - high strings posted by jult52 on June 28, 2012 at 10:22:01:
"Here are my leading theories:
"1) Digital recording of high string sections is still a problem."
This is true, but it would not be audible with *all* recordings...... Especially if the problem sounds similar with all recordings.
"2) The Class D amp adds noise at higher frequencies. (I'm channelling morricab here.)"
The problem isn't adding noise, the problem is the noise modulating with the music. This is how RFI corrupts the sound. You can't hear RFI and switching noise in itself, but the modulation with the music (in the analog domain) is where the problem occurs.
That said, I've yet to hear a Class D amp that I thought sounded right......... But the effect would not necessarily cause strings to sound "bright" at certain frequencies....... It's more a fatiguing effect after listening to music (of any kind) long-term.
"3) Room interactions. (My room & set-up is normal and symmetric although there are two intrusions into the room.)"
Do the clap test..... If you hear "slap echo", there could be modes that introduce audible peaks at the frequencies where the problem is occurring.
Also try some cheap, temporary room treatments (taping a blanket to a wall), and check if the problem is mitigated in any way.
"4) Jitter. (The re-clocker should help a lot with this issue but the Audio GD is not a state-of-the-art unit like an Off-Ramp or such.)"
I read up on the re-clocker. It has a straight pass through mode and an upsampling mode. If you're running the latter mode, that could be the problem, try running in straght pass through mode. Like Class D amps, I've never heard an upsampler that I thought sounded right.
I'm also not a fan of re-clocking in any shape, matter, or form..... I'd also try running the system without it. (I think the best sounding D/A preserves the original jitter signature of the recording, only because no recording is A/D'ed "jitter free".)
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Follow Ups
- RE: Classical music listening issue - high strings - Todd Krieger 17:04:35 06/28/12 (0)
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