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Comment Re: And 1...2...3... (Score 1) 433

human audio dynamic range is at least 120 dB.

Yes, if you want to hear a mosquito and a jackhammer at the same time. Not sure what music you're listening to, but I'm sure glad I'm not your neighbour.

both I and a friend of mine found places with so-called ultrasonic alarms painful.

That doesn't mean you are hearing ultrasonics - there are modulation effects and other audible frequencies that are generated by 'ultrasonic' transducers that are produced as well as the ultrasonics. It's certainly quite a claim to suggest that you could year 27kHz signals - what was generating them?

Comment Re:Art vs. Hacking (Score 1) 31

I've exhibited technological work on a small scale to an art crowd and gotten a positive response, but I worry that going further on that side of things will be an uphill battle. The knee-jerk response may be "that doesn't belong here".

Sounds like you're pigeonholing yourself here - just keep going until you fail, and then pick yourself up and start again. I good friend of mine makes work that might be thought of as 'technological'. Worrying about whether or not other people will like his work hasn't stopped him, and it shouldn't stop you.

Comment Re:I never understood the warmth argument (Score 1) 433

When you 'ripped' the songs from vinyl, you passed them into an ADC and subsequently compressed the data into an MP3, right?

Was that a studio-quality ADC? Or a cheap USB ADC that came built into a cheap record player? Highs sounding too 'bright' sounds like it might be poor filtering in the ADC, and possibly even aliasing effects.

Apologies if you undertook the whole enterprise using professional equipment, but I'd imagine that most people who use those 'USB turntables' probably get equally disappointing results.

Comment Re:Not really missing vinyl (Score 1) 433

That's not the way DAC works. The output waveform is built by adding a SINC function at every sample point.

That's just not true. Most DACs generate an output voltage from a digital input. Many DACs don't even know the sampling rate that they're being driven at, you just send them samples at some rate, and they change their output as fast as they're able to. Normally you put some filtering after that, and you're done. A higher-quality DAC system will up-sample in software and run the actual DAC at a much higher rate - resulting a much higher-quality output. I guess that up-sampling might use sinc or something, I don't know - perhaps that's what you meant?

Comment Re:Not really missing vinyl (Score 1) 433

Modern high quality DACs will perform this signal reconstruction in software, and upsample to 192kHz. The analog filter stages after that point are almost unnecessary, and the signal will be spot on. It is not erroneous to claim that the stair-steps don't exist, they most certainly don't exist in signal reconstruction theory, and only exist when you attempt to physically realise a DAC system.

Comment Re:What's happening to Linux? (Score 2) 257

EVERYTHING you can do in life boils down to a) taking actions b) saying words c) sleeping. There's nothing more that you, as a human, can do with your life.

Now, I'm not totally sure what point you were trying to make, and I certainly don't intend to discuss it with you any further, but a funny thing happens when you 'boil things down'; You lose what it was you were talking about in the first place. Boiled down to dust like that, nothing has any meaning, and discussion ceases to be possible or profitable for either party.

Comment Re:What's happening to Linux? (Score 2) 257

ui is only complex if you want to get dumb peolple to do smart things

And this attitude is part of the whole problem - not that having to use professionally-designed operating system UI's is a problem of course, but it's not free. I do very smart things with my computers thank you very much, but wrestling with their configuration to make them actually work does not number amongst them.

Comment Re:But guys... (Score 1) 257

Most of the time there is no channel for reporting bugs unless you are a multi-seat corporate customer!

Apple has a bug reporting tool, and one that actually gets responses too. If you use OS X Server you even get an email address for problems, and they even reply - it's astonishing. Most of the commercial software that I've actually bought (which is normally pretty cheap software to be honest) also had pretty responsive support. Now if you buy Microsoft software, or Adobe software, or whatever, then sure - they don't listen but they do collect crash reports & so-on (if you let them). I'm not sure that they qualify as 'most software' though, I suppose it depends on how you count it.

Comment Re: But guys... (Score 1) 257

hard lockup bugs in every major version of the OS that I have used from Windows 95 to 7,

Well, Windows 95 & 98 sure - everything prior too. But I've not seen a lockup bug in Windows since then, and I use the damn thing every day at work. Hell, OS X locks up more than Windows, and I've only ever had that happen when I was doing bad things to the graphics driver while writing openGL code.

those have never been and will never be fixed.

The implication of this statement is that not only do you know what these bugs are, but you are able to reproduce them and are maybe even willing to share the details on them. I'd like to find out what they are, if only to cause my workmate's machines to lock up when they're out getting coffee...

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