's why I have a very hard time discerning the
absolute phase difference when I hit the button.
-TD
From: Jim Choate <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Subject: Re: Idea: The ultimate CD/DVD auditing tool (meow)
Date: Wed, 9 Jul 2003 23:51:47 -0500 (CDT)
On Wed
that's sold in Circuit City or whatever. So I figure I may as well believe
Jim Thiel's claim that phase coherence is important in a speaker.
-TD
From: Mike Rosing <[EMAIL PROTECTED]>
To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
Subject: Re: Idea: The ultimate CD
On Wed, 9 Jul 2003, Major Variola (ret) wrote:
> Yes this is for localization ---clicks are broadband, you need to
> identify which freq components are used. I still think
> humans can't discriminate the phase of a tone. In fact, MP3s
> use this to cut bits.
They can tell relative phase, but it
At 11:45 AM 7/9/03 -0700, Mike Rosing wrote:
>On Wed, 9 Jul 2003, Major Variola (ret) wrote:
>> Actually I thought humans are insensitive to phase relations, modulo
>> inter-aural timing at low frequencies for spatial location. Perhaps
>> that
>> is what you meant? But spatial location isn't the
mbience is also there. Put a great live recording on a great high-end
sound system and "you are there".
-TD
From: "Major Variola (ret)" <[EMAIL PROTECTED]>
To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
Subject: Re: Idea: The ultimate CD/DVD auditing tool
On Wed, 9 Jul 2003, Major Variola (ret) wrote:
> Do cats buy a lot of audiophile equiptment :8=||
Nope. That's why I have a job (for another couple of months anyway,
till the grant runs out.)
> Actually I thought humans are insensitive to phase relations, modulo
> inter-aural timing at low freq
Tim May wrote...
Most so-called high end tube amps do in fact sound different, perhaps
"better," perhaps not. This is of course because tubes are usually rich in
odd-order harmonics. That $4000 Krell tube amp is actually _coloring_ the
sound. So much for 20-bit DACs in the signal source: the am
At 07:15 PM 7/8/03 -0700, Mike Rosing wrote:
>To produce 65kHz (for cats) my present boss prefers a 1 MHz sample
rate.
Do cats buy a lot of audiophile equiptment :8=||
>The human hearing system is capable of noticing phase relations at
100kHz
>rates.
Actually I thought humans are insensitive to
On 2003-07-08, Major Variola (ret) uttered to [EMAIL PROTECTED]:
>I haven't, but it does ring true. You'd get 2 Khz as well as other
>intermodulation products.
Provided there's a nonlinearity, effective in the ultrasonic range,
somewhere. Mere interference (which is what we usually refer to as
"b
On Wed, 9 Jul 2003, Peter Fairbrother wrote:
> the nyquist/lindquist/someone-else-who-was-pissed sampling theorems are
> based on the possibility of mathematically extracting frequencies from
> digital information in a STEADY_STATE situation.
>
> That doesn't mean that a speaker will properly repr
I wrote:
the nyquist/lindquist/someone-else-who-was-pissed sampling theorems are
based on the possibility of mathematically extracting frequencies from
digital information in a STEADY_STATE situation.
That doesn't mean that a speaker will properly reproduce those frequencies.
Consider the dynami
okay I'm a bit pissed now. actually i'm raging pissed! Wh!!!
the nyquist/lindquist/someone-else-who-was-pissed sampling theorems are
based on the possibility of mathematically extracting frequencies from
digital information in a STEADY_STATE situation.
That doesn't mean that a speaker will p
On Tuesday, July 8, 2003, at 04:09 PM, Major Variola (ret) wrote:
At 03:14 PM 7/8/03 -0700, Tim May wrote:
As for hearing heterodyning in 28 KHz and 30 KHz signals, maybe. CD
players have brickwall filters to of course block such frequencies.
Some analog groove-based systems can have some kind of
At 03:14 PM 7/8/03 -0700, Tim May wrote:
>As for hearing heterodyning in 28 KHz and 30 KHz signals, maybe. CD
>players have brickwall filters to of course block such frequencies.
>Some analog groove-based systems can have some kind of signal up there
>at those frequencies, but not much.
Regular vi
On Tuesday, July 8, 2003, at 01:39 PM, Anonymous via the Cypherpunks
Tonga Remailer wrote:
As an audiophile (Krell+Levinson+Thiel gear at home), I definitely
don't
want to grab an analog signal. Doing that the signal is sure to
retain
characteristics of the extracting gear. But the vast majori
Tyler Durden leaves the fight club and writes:
> Do you have a reference? I don't remember reading that SACD was encrypted.
> What I DO remember is that the reason there's no standard SACD or DVD-A
> digital interface is because the Industry wants that digital interface to be
> encrypted.
The d
> > As an audiophile (Krell+Levinson+Thiel gear at home), I definitely don't
> > want to grab an analog signal. Doing that the signal is sure to retain
> > characteristics of the extracting gear. But the vast majority of P2P kids
> > won't care one iota that their file was analog for half a seco
On Tuesday, July 8, 2003, at 10:40 AM, Peter Fairbrother wrote:
A curiosity, only tenuously related - I just came across a Feb 1994
copy of
Elector magazine, with plans for a S/PDIF copybit eliminator (for
SCMS).
Seems people have been defeating copy protection for a while..
I've owned an "Audi
On Tue, 8 Jul 2003, stuart wrote:
> Now, when DRM gets into windows, I'm sure Virtual Audio Cable will stop
> working, RealAudio will stop making linux clients (why bother?), RIAA
> will (try to) make CDs that can only be played with windows clients,
> etc. Then someone will crack the formats of t
> Tyler Durden[SMTP:[EMAIL PROTECTED] wrote:
>
> Nobody wrote...
>
> "There is a loss of quality if you go through an analog stage. Real and
> wannabe audiophiles will prefer the real thing, pure and undiluted by
> a reconversion phase. These are the people who are already swallowing
> the mark
Nescio <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Idea: The ultimate CD/DVD auditing tool
Date: Tue, 8 Jul 2003 08:40:01 +0200 (CEST)
Major Variola writes:
> Any human-consumable (analogue) input is readily recordable with
> a single, one-time ADC, and thereafter is toast. DR
At 08:45 AM 7/7/03 -0700, alan wrote:
>But the real issue is that all of these DRM methods rely on "security
by
>obscurity". Such methods eventually fail. Either the actual method is
>discovered and published or the DRM method fails in the marketplace and
is
>never heard from again.
Hilary R an
On Mon, 7 Jul 2003, Tyler Durden wrote:
> Do you have a reference? I don't remember reading that SACD was encrypted.
> What I DO remember is that the reason there's no standard SACD or DVD-A
> digital interface is because the Industry wants that digital interface to be
> encrypted.
Furthermore
At 07:30 2003-07-07 +0200, Nomen Nescio wrote:
This is only for the minimal forms of "protection" which are designed to
work with existing CD/DVD players. If you look at the new audio formats
like SACD, they use encrypted data. All your lasers won't do you any
good unless you can pry a key (and
]>
To: [EMAIL PROTECTED]
Subject: Re: Idea: The ultimate CD/DVD auditing tool
Date: Mon, 7 Jul 2003 07:30:05 +0200 (CEST)
Thomas Shaddup writes:
> As a welcomed side effect, not only we'd get a device for circumvention
of
> just about any contemporary (and possibly a good deal of the fu
At 02:33 AM 7/7/03 +0300, Sampo Syreeni wrote:
>On 2003-07-06, Major Variola (ret) uttered to [EMAIL PROTECTED]:
>
>>There's a good reason why, viz: it would cost the drive developer to
>>allow or export this flexibility.
>
>I'd guess either because of a) terminal stupidity or b) benefits to
scale
> There's a good reason why, viz: it would cost the drive developer to allow
> or export this flexibility. Since very few customers are sick enough
This will go the same way as radio. First, you have hundreds of separate boxes,
each doing some custom modulation/frequency gig (am, fm, shortwave, T
As a basic idea it seems relatively workable. However, there's one detail
that perhaps you might want to know about:
"We can push the idea a step further, making a stripped-down CD/DVD drive
that would be able basically just to follow the spiral track with its head
in constant linear velocity"
Un
At 03:08 PM 7/6/03 +0300, Sampo Syreeni wrote:
>. A writing drive capable of working at such a low level
>could be used to experiment with new encodings beyond what standard
CD's
>can do -- say, substituting CIRC with RSBC and gaining some extra room
on
>the disc, getting rid of the subchannels, a
At 04:13 AM 7/6/03 +0200, Thomas Shaddack wrote:
>Pondering. Vast majority of the CD/DVD "protection" methods is based on
>various deviations from the standards, or more accurately, how such
>deviations are (or aren't) handled by the drive firmware.
>
>However, we can sidestep the firmware.
>
>The
On Saturday, July 5, 2003, at 07:13 PM, Thomas Shaddack wrote:
Pondering. Vast majority of the CD/DVD "protection" methods is based on
various deviations from the standards, or more accurately, how such
deviations are (or aren't) handled by the drive firmware.
However, we can sidestep the firmwar
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