[Ardour-Users] Hydrogen/Ardour sync problem

[david headon]

I have experienced similar things with the Hydrogen Humanize option.
I guess it's only natural it might have a slight delay in output depending on system/jack latency issues.
It hasn't hampered me much tho-

dav=-0




I 
think 
Arnold 
has 
the 
key 
to 
it 
actually 
- 
it 
might 
well 
be 
the 
Humanize 
controls 
in 
Hydrogen 
that 
are 
the 
problem. 
I've 
done 
quite 
a 
few 
experiments 
now, 
it's 
still 
not 
entirely 
clear 
to 
me 
what's 
going 
on 
but 
if 
I 
create 
completely 
new 
projects 
in 
Hydrogen 
and 
Ardour 
and 
don't 
use 
Humanize, 
the 
phasing 
effect 
seems 
to 
go 
away. 
I'm 
not 
100% 
convinced 
yet 
though 
and 
I'd 
be 
interested 
Paul 
if 
you 
know 
of 
version(s) 
of 
Jack 
which 
exhibit 
the 
problem 
you 
describe.

Thanks 
all,

Mark.

Dominic 
Sacré 
wrote:
> 
On 
Jan 
28, 
2008 
3:39 
PM, 
Paul 
Davis 
<paul at linuxaudiosystems.com> 
wrote:
>  
 
>> 
On 
Mon, 
2008-01-28 
at 
13:56 
+0100, 
Arnold 
Krille 
wrote:
>>  
  
 
>>> 
Which 
means 
its 
constant 
(in 
your 
session 
of 
jack) 
and 
simply 
because 
of
>>> 
latency 
compensation 
happening 
/ 
not 
happening. 
Nothing 
to 
really 
worry
>>> 
about, 
ardour 
just 
can't 
tell 
wether 
the 
sound 
its 
playing/monitoring 
is 
from
>>> 
inside 
or 
outside 
the 
computer...
>>>  
  
  
 
>> 
actually 
it 
can, 
and 
it 
does. 
ardour 
will 
trace 
the 
signal 
path 
back 
to
>> 
a 
physical 
port 
(if 
one 
exists).
>>
>> 
however, 
the 
version 
of 
JACK 
is 
important. 
although 
the 
basic
>> 
information 
required 
for 
latency 
compensation 
has 
always 
been 
available,
>> 
there 
are 
some 
little 
details 
about 
how 
and 
when 
its 
computed 
that
>> 
affect 
the 
results.
>>  
  
 
>
> 
Is 
this 
really 
a 
problem 
with 
latency 
compensation? 
Or 
could 
it 
just 
be 
the
> 
old 
jack-transport-off-by-one-period 
issue, 
which 
is 
still 
present 
in 
the
> 
latest 
JACK 
version, 
and, 
to 
my 
knowledge, 
always 
has 
been?
>
>
> 
Dominic
> 
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> 
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> 
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> 
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>
>  
 
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