Exactly.
Recently one "professional Bose installer" laughed on me on FB, being 100% convinced that below 150 Hz it does not matter where is the speaker and how it radiates.
He had standards and formulae to prove that I am wrong.
Fellas, don´t underestimate how noisy an aging computer can get, especially when it is at the verge of failing due to dried electrolytics. I recently experienced it myself. I added six oscon SPs and four panasonic FMs to a failing motherboard (soldered them underneath the existing caps) and it improved my computing experience very significantly. The usb wifi dongle doubled it´s throughput, and doubled the good versus bad frames ratio (bad frames are the ones with CRC error), as reported by the manufacturer utility. Before, I was never able to get 2MB/s with this same hardware, not even close! Sometimes I wouldn´t get a reliable connection at all.
I am not the one claiming audible differences, I am skeptical. I just think along the lines of "innocent until proven guilty", which is why I offered a plausible explanation.
I am not the one claiming audible differences, I am skeptical. I just think along the lines of "innocent until proven guilty", which is why I offered a plausible explanation.
Last edited:
Daniel, yes, I would say it was out of spec. However, it was not all that noticeable until the last few days (when it took more than one try to boot it up, I think the switching supplies detect excessive ripple and stop).
It never gave me any errors and I would (unknowingly) blame the wifi dongle for the crappy connection (turns out it had nothing to do with it).
It never gave me any errors and I would (unknowingly) blame the wifi dongle for the crappy connection (turns out it had nothing to do with it).
Me? No way, I already fessed, when it comes to electronics I can tell my *** from the hole in your avatar. Please file this statement.
Back in the late 1960's, and maybe even till the middle 1970's, when Manfred Schroeder wrote a paper published in 'The Proceedings of the IEEE' (about 1975-6) showed that some harmonics could be changed in phase and that it was audible. Richard Heyser and I both discussed the paper and Richard said that should satisfy the critics (very vocal up to that time) regarding the ear's sensitivity to phase.
But before then:
"The timbre depends only on the relative energies of the various harmonics and not on their phase-differences. Differences of phase produce no effect on the ear. This is known as Ohm's law, having been discovered by G.S. Ohm (1787-1854), the discoverer of the still better known electrical law." 'Science and Music' , Sir James Jeans. p.86 first published 1937 and reprinted by Dover in 1968. I guess they were still clueless in 1968. '-)
But before then:
"The timbre depends only on the relative energies of the various harmonics and not on their phase-differences. Differences of phase produce no effect on the ear. This is known as Ohm's law, having been discovered by G.S. Ohm (1787-1854), the discoverer of the still better known electrical law." 'Science and Music' , Sir James Jeans. p.86 first published 1937 and reprinted by Dover in 1968. I guess they were still clueless in 1968. '-)
Last edited:
Doesn't have much to do with amplifiers. What decent amplifier is non-minimum phase to any degree? Speakers maybe.
Here is the picture. One Pana FM is near the DIMMs, not seen.
Daniel is correct in saying that my motherboard was out of spec, but even considering that, the double in wifi throughput was surprising to me. Nothing else was changed, just the motherboard was repaired by adding caps.
Attachments
Diffmaker is showing differences of -40dB or so when comparing subsequently recorded files using usb sound card loopback recordings and treated or non treated rca-rca cable.I suppose playing the two files at the same time and subtracting the analog outputs would be like a quantum non-demolition experiment.
Dan.
And if you are recording twice through the same cable the differences are much smaller?
No diffmaker here actual binary data comparison, no fooling around. Soundcard loopback, unless purely digital, is not bit perfect and easily lossy.
IEEE pub only 130 years behind the Psychoacoustics
as I said - looking in the wrong field, wrong publications
August Seebeck - Wikipedia
as I said - looking in the wrong field, wrong publications
August Seebeck - Wikipedia
That's actually not very accurate, Gerogerigegege is closer roughly translating as coming out both ends at the same time.
The Gerogerigegege - Tokyo Anal Dynamite - Full Album - 1990 - YouTube
Don't knock it until you've tried it. A great car like a CTS-V I mean, not the M1 Abrams. It's not just about the power, although fun. I enjoy the feel, lack of body roll, and braking performance of sports cars.
People push the power levels because they can. It's actually quite similar to the audiophile equipment hobby except the differences are real and measurable.
Around here, most people on the highway with an ego problem drive huge pickup trucks.
TBH though I would opt for a BMW M5 or MB E63 AMG over a CTS-V and I really dislike the Bentley Continental GT. Give me a 911 Turbo any day of the week.
Trying to be reasonable with Waly is unlikely to improve his sometimes bad behavior, IMHO. The pattern seems to be that he will continue to be rude and insulting when he feels like it for as long as the moderators tolerate it.
I suggest next time he does it those who find it offensive click on the moderator alert button next to his post and ask that Rule #1 please be enforced. It says that, "Insulting, intimidating, bullying, harassing or other disrespectful or antisocial behavior" is not allowed. It exactly describes the content of some of Waly's posts.
I suggest next time he does it those who find it offensive click on the moderator alert button next to his post and ask that Rule #1 please be enforced. It says that, "Insulting, intimidating, bullying, harassing or other disrespectful or antisocial behavior" is not allowed. It exactly describes the content of some of Waly's posts.
- Status
- Not open for further replies.