Date: Sat, 10 Sep 2016 20:17:46 +0200 From: Polytropon <freebsd@edvax.de> To: Manish Jain <bourne.identity@hotmail.com> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Will installing a separate sound card work? Message-ID: <20160910201746.e62bd384.freebsd@edvax.de> In-Reply-To: <VI1PR02MB0974245A63E0A5938C14B131C2FD0@VI1PR02MB0974.eurprd02.prod.outlook.com> References: <VI1PR02MB0974245A63E0A5938C14B131C2FD0@VI1PR02MB0974.eurprd02.prod.outlook.com>
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On Sat, 10 Sep 2016 17:48:23 +0000, Manish Jain wrote: > In my computer hardware upgrade project (which has already seen me switch > 3 motherboards and 2 CPU's in 1 month), I have reached a point where I need > to invest a bit further. My current Gigabyte GA970 motherboard is working > perfectly, except that the onboard sound (Realtek) is aweful, with a whole > 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 sound > card - the best option appears to be Asus Xonar DG PCI Internal Sound Card > 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. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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