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
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
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
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 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
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
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
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
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
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
On Tue, Jul 08, 2003 at 03:52:54PM -0400, Trei, Peter wrote:
> Billy [SMTP:[EMAIL PROTECTED] wrote:
> > Bullshit detector buzzing.
> > Is this *really* true? Have you tried it?
>
> Not personally, but The Net holds all knowledge.
>...
> http://www.bostonaes.org/archives/2003/Jan/
> http://www.acou
> Billy[SMTP:[EMAIL PROTECTED]
>
>
> On Tue, Jul 08, 2003 at 01:26:46PM -0400, Trei, Peter wrote:
> > While the ear can't hear above 22KHz, signal above that *can*
> > effect the perceived sound, by heterodyne effects. For example,
> > if you play a single tone of 28KHz, or a single tone of 30 KH
At 02:55 PM 7/8/03 -0400, Billy wrote:
>On Tue, Jul 08, 2003 at 01:26:46PM -0400, Trei, Peter wrote:
>> While the ear can't hear above 22KHz, signal above that *can*
>> effect the perceived sound, by heterodyne effects. For example,
>> if you play a single tone of 28KHz, or a single tone of 30 KHz,
On Tue, Jul 08, 2003 at 01:26:46PM -0400, Trei, Peter wrote:
> While the ear can't hear above 22KHz, signal above that *can*
> effect the perceived sound, by heterodyne effects. For example,
> if you play a single tone of 28KHz, or a single tone of 30 KHz,
> you can't hear them. Play them together
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
On Tuesday, July 8, 2003, at 10:00 AM, stuart wrote:
On Tuesday, July 8, 2003, Tyler came up with this...
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
Tyler Durden wrote:
> 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
>
On Tuesday, July 8, 2003, Tyler came up with this...
> 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
At 08:40 AM 7/8/03 +0200, Nomen Nescio wrote:
>Major Variola writes:
>
>> Any human-consumable (analogue) input is readily recordable with
>> a single, one-time ADC, and thereafter is toast. DRM is a fraud
>> perpetrated by engineers on Hollywood suits. Good for employment
>> though.
>
>There is
Major Variola writes:
> Any human-consumable (analogue) input is readily recordable with
> a single, one-time ADC, and thereafter is toast. DRM is a fraud
> perpetrated by engineers on Hollywood suits. Good for employment
> though.
There is a loss of quality if you go through an analog stage.
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
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
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
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 future ones)
> optical media "protections"
This is only for the minimal forms of "protection" which are designed to
work with existing
> 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
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 2003-07-06, Thomas Shaddack uttered to cypherpunks:
>If we'd fill this idea with water, would it leak? Where? Why?
It wouldn't leak, and I've never really understood why standard ATAPI
drives don't allow access to the raw data. As you say, that sort of tool
would have quite a number of applica
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
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 drive contains the moving part with the head assembly. T
33 matches
Mail list logo
