Tom Dunstan kirjoitti: > Asmo, you seem to be quite happy... any ideas? Yes I am. Here is my laptop with Echo AudioFire4. http://www.arkki.info/howto/Ubuntu_Studio/904_ffado_02.png This time latency is 8 ms. Where, when and why someone needs something like 3 ms? I follow this statement here: "Apple considers everything < 10ms as 'good enough'. And the audio pro's seem to be very happy with Apple." http://subversion.ffado.org/wiki/SomeNotesOnLatency ---- 1. Laptop is Intel/ATI based - Acer TM 6592. studio@ubuntu-studio:~$ lspci 00:19.0 Ethernet controller: Intel Corporation 82566MM Gigabit Network Connection (rev 03) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon HD 2400 XT 06:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61) 0a:04.0 FireWire (IEEE 1394): O2 Micro, Inc. Firewire (IEEE 1394) (rev 02) 0a:07.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link) studio@ubuntu-studio:~$ 2. I can use wlan with RT kernel (screenshot). 3. I have of course tweaked system, that takes few lines in few files. studio@ubuntu-studio:~$ cat /etc/security/limits.conf @audio - memlock unlimited @audio - nice -19 @audio - rtprio 99 studio@ubuntu-studio:~$ studio@ubuntu-studio:~$ cat /etc/group | grep audio audio:x:29:pulse,studio studio@ubuntu-studio:~$ studio@ubuntu-studio:~$ cat /etc/modules loop lp rtc snd-seq raw1394 video1394 studio@ubuntu-studio:~$ studio@ubuntu-studio:~$ lsmod | grep 1394 video1394 26216 0 raw1394 35976 28 ohci1394 42548 15 video1394 ieee1394 110176 3 video1394,raw1394,ohci1394 studio@ubuntu-studio:~$ studio@ubuntu-studio:~$ ls -al /dev/raw1394 crwxrwxrwx 1 root root 171, 0 2009-05-28 17:10 /dev/raw1394 studio@ubuntu-studio:~$ ---- On the desktop machine I use M-Audio Delta 66, I have both - 8.04 x86_64 and 9.04 x86_64. Here is my howto in finnish for Ubuntu Studio 8.04 x86_64. http://wiki.ubuntu-fi.org/Ubuntu_Studio ---- Btw - I used that Ubuntu Studio 9.04 x86_64 (RT kernel) on that laptop as a Flumotion server over six hours at my daughter's school - just like year ago. http://www.arkki.info/howto/Flumotion/Flumotion_02.png http://wiki.ubuntu-fi.org/Flumotion ---- So to me Ubuntu Studio just works. Maybe I'm just lucky with hardware... or maybe I have done my homework for hardware... ---- Best Regards Asmo Koskinen. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
