How do I listen using my eyes? I've not worked this out yet.
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probedb wrote:
How do I listen using my eyes? I've not worked this out yet.
Some of us spent years and years at university just to learn to read
graphs like those, and we still keep learning new things. They don't
replace listening, but complement critical, controlled blind listening.
Archimago wrote:
I did some measurements of the Oppo BDP-105 late last week which I'll
post in the days ahead (hint - it's really good!). For now, I'd like to
put some pressure on ASUS to fix the Essence One firmware - upsampling
is broken!
Slightly off topic: I've owned the Oppo BDP-83
probedb wrote:
How do I listen using my eyes? I've not worked this out yet.
Nobody's asking anyone to listen with eyes... Like Julf said it's
complementary. IMO, when it comes to audio tech, good engineering comes
first then lets validate with the ears, not the other way around if I'm
going
Archimago wrote:
In this day and age where instrumentation is part of our daily lives,
it's just mind boggling that audiophiles do not seem to appreciate that
audio gear these days are capable of achieving results BEYOND human
hearing in many/most parameters.
This one is a good primer (that
Lovely link Julf! Watching it right now... Great demonstration of dither
and noise shaping. Definitely required viewing for audiophiles who want
to understand digital audio and start reversing the decades of FUD.
There is of course one example of stairstepping analogue output he
hinted at -
Great..the jitter graph looks really nice. Thanks Archimago. So does
better measurements correlate with better sound subjectively ?
Otherwise, it might be just a waste of engineering effort. Maybe the
companies are building over-speced pieces just to justify the high-price
of the equipment.
Ok I have measured transporter and touch on AP2722. I've only looked at
digital out as promised.
Here is the run down:
Transporter:
AES/EBU 377.3-424.5 ps
SPDIF RCA 566 ps
SPDIF BNC 283-330.2 ps (rca cable with 2 bnc adapters yielded the same
results)
Toslink 1.462 - 4.103 ps depending on the
probedb wrote:
How do I listen using my eyes? I've not worked this out yet.
Listen to or trough your hifi ( to the music ) ;)
This tells you that the oppo is pretty much transparent to the source
material
. Hence f gonna pay more than this for a player it has to do better.
If your listening
SoftwireEngineer wrote:
So does better measurements correlate with better sound subjectively ?
Otherwise, it might be just a waste of engineering effort. Maybe the
companies are building over-speced pieces just to justify the high-price
of the equipment.
That's of course a very important
ralphpnj wrote:
Slightly off topic: I've owned the Oppo BDP-83 (the first Oppo blu-ray
player) for about 3 years and it's a very good player. Sounds great,
plays almost any kind of disc and it makes regular DVD's look great. I
do a have few minor complaints: the disc drawer sometimes does
tpaxadpom wrote:
Ok I have measured transporter and touch on AP2722. I've only looked at
digital out as promised.
Here is the run down:
Transporter:
AES/EBU 377.3-424.5 ps
SPDIF RCA 566 ps
SPDIF BNC 283-330.2 ps (rca cable with 2 bnc adapters yielded the same
results)
Toslink 1.462 -
tpaxadpom wrote:
Ok I have measured transporter and touch on AP2722. I've only looked at
digital out as promised.
Here is the run down:
Transporter:
AES/EBU 377.3-424.5 ps
SPDIF RCA 566 ps
SPDIF BNC 283-330.2 ps (rca cable with 2 bnc adapters yielded the same
results)
Toslink 1.462 -
ralphpnj wrote:
If I am reading the results correctly what we are taking about is jitter
(it is jitter which is being measured, correct?) that is at worst just
above 0.5 nanoseconds (SPDIF RCA 566 ps = 0.566 ns) and at just below
0.002 nanoseconds (Toslink 1.462ps = 0.00146 ns). Which just
Archimago wrote:
Maybe I read it wrong... I thought for example the 1.462 ps was 1,462
ps (ie. 1.462 ns). For TosLink to have such low jitter of only 1.xx ps
seems counter intuitive to me...
Must be that el-cheap Ethernet cable that you're using that changed the
ps to an ns, you know the
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