14 Jul
2010
14 Jul
'10
8:09 p.m.
On Wed, 2010-07-14 at 19:56 +0200, Arnout Engelen wrote:
You're posting a lot of information, but I'm
going to ask some stupid questions
anyway - just trying not to jump to conclusions before getting a crystal-clear
picture of your setup.
On Wed, Jul 14, 2010 at 03:23:03PM +0200, Ralf Mardorf wrote:
Now I'm really short in time, so very minimalist:
Mobo: ASUS M2A-VM HDMI, a while ago the BIOS was up-to-date, I guess
it's still up-to-date
Integrated graphics ATI Radeon X1250-based replaced by a NVIDI Geforce
7200GS.
# hwinfo --cpu
01: None 00.0: 10103 CPU
[Created at cpu.301]
Unique ID: rdCR.j8NaKXDZtZ6
Hardware Class: cpu
Arch: X86-64
Vendor: "AuthenticAMD"
Model: 15.107.2 "AMD Athlon(tm) X2 Dual Core Processor BE-2350"
Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,rdtscp,lm,3dnowext,3dnow,rep_good,extd_apicid,pni,cx16,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,3dnowprefetch
Clock: 2100 MHz
BogoMips: 4199.32
Cache: 512 kb
Units/Processor: 2
RAM: 2GB
Sound cards: 2x Terratec EWX 24/96 just stereo IOs, Envy24, not as one
virtual card, I'm only using one card at the moment
Not connected anymore: Swissonic USB MIDI IO
No USB devices, e.g. keyboard and mouse are PS/2.
I'm connecting MIDI in the Qtractor (quasi QjackCtl) ALSA MIDI tab.
To be continued tomorrow or on Friday.
Thank you!
Cheers!
Ralf
1.
I disconnected all audio connections for JACK and connected hw MIDI in
to hw MIDI out. connected the DX7 MIDI out directly to the D4 MIDI in and
then I reconnected to the PCI card.
The difference is alarming :(.
Yamaha DX7 --> Alesis D4 results in a 100% musical groove.
Yamaha DX7 --> PC --> Alesis D4 results in extreme latency
So here you're directly routing the MIDI IN to the MIDI OUT, and experiencing
latency. Are you using JACK here, or directly ALSA? In other words, are you
connecting 'in' to 'out' in the qjackctl 'MIDI' tab or in the
'ALSA' tab?
Regards,
Arnout