Date: Sat, 01 Apr 2023 18:54:40 +0200 From: white-wolf <white-wolf@blues-softwares.net> To: questions@freebsd.org Subject: Re: two USB sound cards on the same FreeBSD system with jackd Message-ID: <3d8a1cbbf253e9018297ca1dac4f08c9961d2870.camel@blues-softwares.net> In-Reply-To: <b2977eec7e9f28ac02858b9101a10162f0a21edc.camel@riseup.net> References: <4e4b5e5bbd621955317f54a5943681eb3c4e4d17.camel@blues-softwares.net> <b2977eec7e9f28ac02858b9101a10162f0a21edc.camel@riseup.net>
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--=-FqeoZHr47OgDuWgOag5N Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit On Sat, 2023-04-01 at 17:51 +0200, Ralf Mardorf wrote: > On Sat, 2023-04-01 at 16:35 +0200, white-wolf wrote: > > to connect ardour and hydrogen with jack and alsa (or else) > > Hi, > > before I migrated from Linux real-time pro-audio to Apple for audio > and > other artwork, one of my domains was jackd with the alsa backend on > Linux. On FreeBSD your backend is most likely "or else". i use it on debian/Linux, it was worked > > Most likely I cannot help you with FreeBSD audio, but at least I can > contribute something related to your request in general, what ever > operating system you are using. > > While it's possible to use two audio devices on Linux and probably on > FreeBSD, too, it requires to sync those audio devices, either by > hardware, for low-end devices it might be possible via SPDIF > (prosumer > and professional devices provide word clock or the less good ADAT > sync) > or by software resampling. my USB audiobox with my USB dongle was worked perfectly on debian > > Is there any way to sync those two devices by hardware? > > If not, google for FreeBSD and audio device sync by resampling > software. with jack and pluseaudio it's work > > Related to the COVID-19 pandemic I was forced to use Zoom and similar > hells on earth. It was already a PITA on iPadOS, just for video > conferences without my guitars involved, by just using the integrated > audio device. > > In a nutshell, if possible use one audio device, don't try to make > two > audio devices a virtual single audio device, since you don't need two > or > more construction sites. Use one audio device, one input channel for > the > microphone and another channel for the guitar. Depending on your > audio > device you might need additional pre-amps. i have > > Using a wireless audio device makes it way more error prone. If > possible > avoid using a wireless device. Even if you should be fine with > getting > Bluetooth to work, the wireless related IRQs affect the whole audio > chain. no bluetooth headset but reconyze as sound card > > Try to get a working setup by just using a single non-wireless audio > device, you much likely have enough to struggle with getting Zoom or > else to work, so don't make it more complicated by trying to sync two > audio devices and don't make it extra complicated by using a wireless > device. > > Just my 2 Cents (I'm serious, this isn't an April hoax) > Ralf me too regards, white-wolf --=-FqeoZHr47OgDuWgOag5N Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <html><head></head><body><div>On Sat, 2023-04-01 at 17:51 +0200, Ralf Mardo= rf wrote:</div><blockquote type=3D"cite" style=3D"margin:0 0 0 .8ex; border= -left:2px #729fcf solid;padding-left:1ex"><div>On Sat, 2023-04-01 at 16:35 = +0200, white-wolf wrote:</div><blockquote type=3D"cite" style=3D"margin:0 0= 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>to connect ar= dour and hydrogen with jack and alsa (or else)</div></blockquote><div><br><= /div><div>Hi,</div><div><br></div><div>before I migrated from Linux real-ti= me pro-audio to Apple for audio and</div><div>other artwork, one of my doma= ins was jackd with the alsa backend on</div><div>Linux. On FreeBSD your bac= kend is most likely "or else".</div></blockquote><div><br></div><div>i use = it on debian/Linux, it was worked</div><blockquote type=3D"cite" style=3D"m= argin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><br>= </div><div>Most likely I cannot help you with FreeBSD audio, but at least I= can</div><div>contribute something related to your request in general, wha= t ever</div><div>operating system you are using.</div><div><br></div><div>W= hile it's possible to use two audio devices on Linux and probably on</div><= div>FreeBSD, too, it requires to sync those audio devices, either by</div><= div>hardware, for low-end devices it might be possible via SPDIF (prosumer<= /div><div>and professional devices provide word clock or the less good ADAT= sync)</div><div>or by software resampling.</div></blockquote><div><br></di= v><div>my USB audiobox with my USB dongle was worked perfectly on debian</d= iv><div><br></div><blockquote type=3D"cite" style=3D"margin:0 0 0 .8ex; bor= der-left:2px #729fcf solid;padding-left:1ex"><div><br></div><div>Is there a= ny way to sync those two devices by hardware?</div><div><br></div><div>If n= ot, google for FreeBSD and audio device sync by resampling software.</div><= /blockquote><div><br></div><div>with jack and pluseaudio it's work</div><bl= ockquote type=3D"cite" style=3D"margin:0 0 0 .8ex; border-left:2px #729fcf = solid;padding-left:1ex"><div><br></div><div>Related to the COVID-19 pandemi= c I was forced to use Zoom and similar</div><div>hells on earth. It was alr= eady a PITA on iPadOS, just for video</div><div>conferences without my guit= ars involved, by just using the integrated</div><div>audio device.</div><di= v><br></div><div>In a nutshell, if possible use one audio device, don't try= to make two</div><div>audio devices a virtual single audio device, since y= ou don't need two or</div><div>more construction sites. Use one audio devic= e, one input channel for the</div><div>microphone and another channel for t= he guitar. Depending on your audio</div><div>device you might need addition= al pre-amps.</div></blockquote><div><br></div><div>i have</div><div><br></d= iv><blockquote type=3D"cite" style=3D"margin:0 0 0 .8ex; border-left:2px #7= 29fcf solid;padding-left:1ex"><div><br></div><div>Using a wireless audio de= vice makes it way more error prone. If possible</div><div>avoid using a wir= eless device. Even if you should be fine with getting</div><div>Bluetooth t= o work, the wireless related IRQs affect the whole audio</div><div>chain.</= div></blockquote><div><br></div><div>no bluetooth headset but reconyze as s= ound card</div><div><br></div><blockquote type=3D"cite" style=3D"margin:0 0= 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div><br></div><di= v>Try to get a working setup by just using a single non-wireless audio</div= ><div>device, you much likely have enough to struggle with getting Zoom or<= /div><div>else to work, so don't make it more complicated by trying to sync= two</div><div>audio devices and don't make it extra complicated by using a= wireless</div><div>device.</div><div><br></div><div>Just my 2 Cents (I'm s= erious, this isn't an April hoax)</div><div>Ralf</div></blockquote><div><br= ></div><div>me too</div><div>regards,</div><div>white-wolf</div><div><span>= </span></div></body></html> --=-FqeoZHr47OgDuWgOag5N--
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