Kuro;515407 Wrote:
> Hi Phil,
>
> Can you point me to the video CliveB posted?
>
> Thanks.
Sure - here it is...
http://forums.slimdevices.com/showpost.php?p=515101&postcount=1
It's nearly one hour long...
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ai
Phil Leigh;515201 Wrote:
> You need to see that video that CliveB posted, then come back and we can
> continue...
Hi Phil,
Can you point me to the video CliveB posted?
Thanks.
--
Kuro
Kuro's Profile: http://forums.slim
enjoyable video, thanks for posting.
ive yet to audition the samples on my transporter but looking forward
to it.
--
dizzysnakepilot
dizzysnakepilot's Profile: http://forums.slimdevices.com/member.php?userid=32043
View
Phil Leigh;515300 Wrote:
> Andy + Krochat
> Thanks - Yes, I'm familiar with that paper - I was seekimg confirmation
> from Kuro that he was talking about correlated jitter, as it wasn't
> clear to me from his post.
> This paper is the basis for the "slaving transport to DAC clock is the
> best ji
Phil Leigh;515248 Wrote:
> The ASRC process incorporates a polyphase PLL operating in the analogue
> domain (within the chip), not pure DSP maths, as would be used in a
> software-based resampler. There are pros and cons. Jitter-based impacts
> in the AKM chip will manifest as data errors in the
Andy + Krochat
Thanks - Yes, I'm familiar with that paper - I was seekimg confirmation
from Kuro that he was talking about correlated jitter, as it wasn't
clear to me from his post.
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal.
Andy8421;515279 Wrote:
> Phil,
>
> There is a paper around (to which I have lost the link) that examines
> how S/PDIF clock recovery operates when the input circuity has limited
> bandwidth (as all real world circuits do).
This is it:
http://www.scalatech.co.uk/papers/aes93.pdf
Regards,
Kim
Phil,
There is a paper around (to which I have lost the link) that examines
how S/PDIF clock recovery operates when the input circuity has limited
bandwidth (as all real world circuits do). One of the results of the
analyis is that the jitter of the recovered clock is indeed correlated
to the da
Phil Leigh;515205 Wrote:
> So this is wrong (copied from TACT web site):
>
>
> Main Features
> 5 digital inputs with sample rates up to 192 kHz/24 bits
> ...
> Highest quality re-clocking on all inputs
> 192 kHz upsampler at inputs
>
> ? - This last point seems pretty unambiguous.
Well, it s
Kuro:
Kuro;515196 Wrote:
> Of course I understand what is TCPIP. The noise I'm talking about is
> data modulation noise. When a digital output is measured with no data
> (just clock only), the digital stream can be very low in jitter. When
> data is present, data modulation noise occurs and I
Kuro;515183 Wrote:
> You're wrong. It is the ASRC that is capable of operating at 192K. It
> is an Analog Device AD1896 ASRC chip. It is there is accept input at
> 192K but it'll downsample if the input is 192K to 96K for the internal
> DSP processing. It also allows you to upsample the outpu
Kuro;515196 Wrote:
> Of course I understand what is TCPIP. The noise I'm talking about is
> data modulation noise. When a digital output is measured with no data
> (just clock only), the digital stream can be very low in jitter. When
> data is present, data modulation noise occurs and I've a f
Kuro;515190 Wrote:
> ADM is flawed in many ways. I can name a couple, but there are more.
>
> 1. It is unable to detect differences b/w a transport of low jitter and
> high jitter. The sonic differences can be clearly heard including ABX
> tests. Maybe they dropped the stuff that they classif
I think it was their figures on the Studer tape gear 70 to 75db SNR
issue.
Well I have 24 bit stuff that sounds great as well. No comment yet.
Maybe if it were 16bit, it would also still be great.
Dave
--
DaveWr
DaveWr
m1abrams;514158 Wrote:
> I thought they already cleared this up with you. TCP/IP over ethernet
> or wireless works the same. Plus there is no notion of jitter that can
> effect TCP/IP.
>
Of course I understand what is TCPIP. The noise I'm talking about is
data modulation noise. When a digit
ADM is flawed in many ways. I can name a couple, but there are more.
1. It is unable to detect differences b/w a transport of low jitter and
high jitter. The sonic differences can be clearly heard including ABX
tests. Maybe they dropped the stuff that they classified as
"uninteresting".
2. It
DaveWr;515177 Wrote:
> Clive, Phil,
>
> Feel sorry for the 24bit Beatles remaster buyers then.
>
> According to the video 13 to 14 bits max quality?
>
> Dave
Well, I have 2 of them (AR and LIB) and they sound great. Do they sound
any better than the same files down-rated to 16-bit... probably
Phil Leigh;514812 Wrote:
> Finally had time to check some FACTS.
> You are wrong.
>
> As I stated, the TACT RCS2.2X has 24/192 digital inputs and upsamples
> everything to that rate, regardless of its original rate. Internal DSP
> is indeed performed with 48-bit precision.
>
> http://www.tactla
Clive, Phil,
Feel sorry for the 24bit Beatles remaster buyers then.
According to the video 13 to 14 bits max quality?
Dave
--
DaveWr
DaveWr's Profile: http://forums.slimdevices.com/member.php?userid=9331
View this threa
cliveb;515169 Wrote:
> I particularly liked Poppy Crum's demo of the satanic backwards messages
> on Stairway to Heaven.
>
>
> I thought even 10 bits was OK. Which is not really that surprising,
> since that's about what the average vinyl LP is capable of - and for
> some peverse reason I *stil
Phil Leigh;515156 Wrote:
> brilliant! - see those null tests near the end... that's what ADM does
> :-)
I particularly liked Poppy Crum's demo of the satanic backwards
messages on Stairway to Heaven.
Phil Leigh;515156 Wrote:
> I thought 13 bits sounded pretty good... makes sense really, since
>
Clive - brilliant! - see those null tests near the end... that's what
ADM does :-)
Watching this made my day.
I thought 13 bits sounded pretty good... makes sense really, since
that's what the BBC has effectively been broadcasting on FM since the
late 60's
--
Phil Leigh
You want to see the s
Clive,
Absolutely agree about the perception issues. I still think you have
to take care on Ethan, he prefixes his comments with 'on loud rock or
pop music' frequently. The real value of this type of video, is in
making sure 'in Dirty Harry's word' a guy knows his limitations.
Dave
--
DaveW
The Audiophile group often has some moderately heated discussions about
what people hear and why. Some of us point out that what you hear is
affected by other non-auditory factors. Here's a very instructive video
from an AES workshop. It should be mandatory viewing for anyone who
thinks that what
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