Date: Sat, 10 Sep 2016 18:51:08 +0000 From: Manish Jain <bourne.identity@hotmail.com> To: Polytropon <freebsd@edvax.de> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Will installing a separate sound card work? Message-ID: <VI1PR02MB09746666CAC50D3EB42D2698F6FD0@VI1PR02MB0974.eurprd02.prod.outlook.com> In-Reply-To: <20160910201746.e62bd384.freebsd@edvax.de> References: <VI1PR02MB0974245A63E0A5938C14B131C2FD0@VI1PR02MB0974.eurprd02.prod.outlook.com> <20160910201746.e62bd384.freebsd@edvax.de>
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On 09/10/16 23:47, Polytropon wrote: > On Sat, 10 Sep 2016 17:48:23 +0000, Manish Jain wrote: >> In my computer hardware upgrade project (which has already seen me switc= h >> 3 motherboards and 2 CPU's in 1 month), I have reached a point where I n= eed >> to invest a bit further. My current Gigabyte GA970 motherboard is workin= g >> perfectly, except that the onboard sound (Realtek) is aweful, with a who= le >> lot of high-pitch hiss accompanying the sound whenever I try to play any >> music. > > That sounds terrible. Which sound driver do you currently use? > > Example: > > % dmesg | grep ^hda > hdac0: <VIA VT8251/8237A High Definition Audio Controller> > mem 0xbfffc000-0xbfffffff at device 1.0 on pci128 > hdac0: HDA Driver Revision: 20100226_0142 > hdac0: [ITHREAD] > hdac0: HDA Codec #0: VIA VT1708_8 > > % dmesg | grep ^pcm > pcm0: <HDA VIA VT1708_8 PCM #0 Analog> at cad 0 nid 1 on hdac0 > pcm1: <HDA VIA VT1708_8 PCM #1 Analog> at cad 0 nid 1 on hdac0 > pcm2: <HDA VIA VT1708_8 PCM #2 Digital> at cad 0 nid 1 on hdac0 > > % cat /dev/sndstat > FreeBSD Audio Driver (newpcm: 32bit 2009061500/i386) > Installed devices: > pcm0: <HDA VIA VT1708_8 PCM #0 Analog> (play/rec) default > pcm1: <HDA VIA VT1708_8 PCM #1 Analog> (rec) > pcm2: <HDA VIA VT1708_8 PCM #2 Digital> (play) > > This machine is using a VIA on-board audio chipset, using the > snd_hda driver included in the (custom) kernel. > > > >> I would like to solve the problem by installing a separate internal soun= d >> card - the best option appears to be Asus Xonar DG PCI Internal Sound Ca= rd >> with a C-Media CMI8786 chipset. > > In my previous home system, I had a C-Media PCI sound card > (using the snd_cmi kernel module) which provided excellent > playback and recording. > > > >> Will my idea of disabling the onboard >> sound and installing the separate card work ? > > Yes, it should work. Disabling the on-board sound is not exactly > required, but recommended (you _can_ have multiple audio "cards" > in your system, but reducing the "irritation surface" is always > a good idea). > > > >> My motherboard's BIOS does >> provide the option to disable the onboard sound. So I think the question >> simply boils down to whether the CMI8786 chipset be supported by the >> FreeBSD kernel. > > Check "man snd_cmi" to find out if the chipset of that sound card > is supported. Luckily, this information is easily accessible. :-) > > Hi Poly, Nice to hear from you. I knew I could always count on your reply : - ) The onboard sound would have been great had it not been for that hiss=20 that comes along. The hiss is loud enough to be a real game-spoiler. I=20 plugged in my headphones in place of the speakers, and the hiss is=20 present on the headphones too. So it had to be a problem with the=20 onboard chip or the driver. I eliminated the driver by installing=20 Windows XP, and the hiss is present in WMP playback too. So the only=20 option now is to install a separate sound card. I don't mind that, as=20 long as the card can be made to work with FreeBSD 10.x/11. 'man snd_cmi' does not list CMI8786. If FreeBSD 11 supports that=20 chipset, I can reinstall/rebuild world. This is what I currently have : /usr/home/bourne # dmesg | grep -iE '(hda)|(pcm)' hdac0: <NVIDIA (0x0e0f) HDA Controller> mem 0xfe080000-0xfe083fff irq 25=20 at device 0.1 on pci1 hdac1: <ATI SB600 HDA Controller> mem 0xfe300000-0xfe303fff irq 16 at=20 device 20.2 on pci0 hdacc0: <NVIDIA (0x0051) HDA CODEC> at cad 0 on hdac0 hdaa0: <NVIDIA (0x0051) Audio Function Group> at nid 1 on hdacc0 pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 4 on hdaa0 pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> at nid 5 on hdaa0 hdacc1: <Realtek ALC887 HDA CODEC> at cad 0 on hdac1 hdaa1: <Realtek ALC887 Audio Function Group> at nid 1 on hdacc1 pcm2: <Realtek ALC887 (Rear Analog)> at nid 20 and 24,26 on hdaa1 pcm3: <Realtek ALC887 (Front Analog)> at nid 27 and 25 on hdaa1 pcm4: <Realtek ALC887 (Onboard Digital)> at nid 17 on hdaa1 /usr/home/bourne # cat /dev/sndstat Installed devices: pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) pcm2: <Realtek ALC887 (Rear Analog)> (play/rec) default pcm3: <Realtek ALC887 (Front Analog)> (play/rec) pcm4: <Realtek ALC887 (Onboard Digital)> (play)
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