kijanki

Responses from kijanki

Digital Amplifier Questions
For something that has absolutely nothing to do with the sound of your system, RF interference/leakage testing is sure a pain in the butt; mainly since I'm handicapped and walk with a cane.RF itself is way above our hearing range but different fre... 
Records with words with the letter S are slurred
Excessive energy or distortion in 5-8kHz range. I got rid of it by buying better speakers with soft dome tweeters. Highs are still strong and extended but "S" sounds are very clean and natural. 
preventing usb bus overload.
Firewire doesn't engage main computer processor in transfers. It might be irrelevant if you don't do any heavy processing at the same time. There are two different types of USB DACs Synchronous and Asynchronous. Synchronous DAC timing is created (... 
clipping and max rated watts/max volume
From my experience it is around 1-2 o'clock position. Remaining travel/rotation allows for playback of low level recordings (or sources). 
Digital Amplifier Questions
My class D amp switches at 500kHz. This square wave is filtered by the Zobel network at about 60kHz. Harmonics are most likely filtered out and main problem is about 1% residue of 500kHz switching frequency present on the speaker cable. This 500kH... 
How to convert TV optical output to XLR
Many TVs, including Panasonics, don't even allow to choose PCM, outputting automatically Dolby for ATSC and PCM for NTSC. I bought Samsung LED TV because of that - it has choice in the menu for PCM or Dolby output. 
Direct optical out of Mac vs USB asynchronous
I suspect Toslink from Mac would definitely benefit from reclocking. Optical is great avoiding ground loops, has no transmission line effects and is immune to ambient electrical noise, but because of slow transitions it suffers from the system noi... 
USB cable hype
Axle, I remember from Stereophile test of AE that jitter on analog (jitter artifacts) were much worse (about 5x) than optical out. USB cable that does not use +5V supply for anything should not have it. Also shielding should be as good as possible. 
USB cable hype
Axle, Bulk Transfer looks good but I wouldn't mind Asynchronous with resend. As long as all data gets to buffer jitter doesn't matter since buffer removed timing. New timing is recreated with new stable internal clock. The problem still is compute... 
USB cable hype
Axle, I'm assuming, that without resending it would be 1ms gap. Not bad if it happens once but can sound pretty bad if frames are dropped often. I found some info and interesting computer audio FAQ site:http://www.thewelltemperedcomputer.com/KB/US... 
USB cable hype
Axle, cable bad enough to corrupt bits would be disaster since each frame contains checksum and would be dropped. As I understand it each frame is delivered every millisecond and starts with unique bit sequence signifying start of the frame (SOF) ... 
Buying equipment
Swarthy, I had the same dilemma - Hyperion Sound closest dealer to Chicago was in Pennsylvania. I decided to buy demo speakers anyway based on fantastic reviews and they proved to be great sounding. What I failed to understand was that company wit... 
External Drive Help
I have good luck with 1TB Fantom drives. For about 10 years i use one at work for backup and one at home. I use it for the music, pictures etc. In addition I have two backups (total of 4 Fantoms). I keep one at home and one at work just in case of... 
USB cable hype
Axle, asynchronous DAC controls the timing. Data coming from the computer is placed in the buffer. Every frame computer adjusts number of samples in the frame based on buffer under/overflow signal from the DAC. DAC takes data from the buffer and w... 
Jeff Rowland
Bombaywalla, You are right - not many amps quadruples or even doubles power exactly. I don't even care for the one that does, since in order for this to happen amp has to have hefty power supply but also lots of negative feedback.On the other hand...