Re: Does alsa_in reading from SPDIF input inject pops and clicks?
crocket <[email protected]> Fri, 9 Aug 2019 12:31:57 +0900
| Newsgroups | gmane.comp.audio.jackit |
|---|---|
| Message-ID | <CAL0=0H0gXRoChXv9Tie7r+he_OJ5TiRD416yrZU8r4g5h+fBCw@mail.gmail.com> |
--===============6190085769153312445== Content-Type: multipart/alternative; boundary="000000000000a8ae76058fa6d19e" --000000000000a8ae76058fa6d19e Content-Type: text/plain; charset="UTF-8" If SPDIF Out stops emitting clock signals in the absence of audio signals, would alsa_out working on the headphone jack of the USB soundcard that gets its clock signals from SPDIF Out emit pops and clicks? Basically, the plan is 1. ALSA dmix(period size 512, periods 3) --> SPDIF Out of onboard soundcard(Realtek ALC887) --> SPDIF In of Creative Sound Blaster X-Fi HD USB --(alsa_in, period_size 512, periods 3)--> netjack1 ==(ethernet)==> ALSA jack backend --> Amplifier --> Speakers 2. netjack1 --(alsa_out, period_size 512, periods 3)--> headphones I have my own software for managing jack connections. A keyboard shortcut can switch clients between speakers and headphones. On Fri, Aug 9, 2019 at 11:18 AM Chris Caudle <[email protected]> wrote: > On Thu, August 8, 2019 6:39 pm, crocket wrote: > > If there is no audio data from SPDIF out, would SPDIF out still send > clock > > signals? > > Often that is the case, but you would have to consult the documentation > for your particular audio interface to verify. > > -- > Chris Caudle > > > _______________________________________________ > Jack-Devel mailing list > [email protected] > http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org > --000000000000a8ae76058fa6d19e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>If SPDIF Out stops emitting clock signals in the abse= nce of audio signals, would alsa_out working on the headphone jack of the U= SB soundcard that gets its clock signals from SPDIF Out emit pops and click= s?</div><div>Basically, the plan is</div><div><br></div><div>1. ALSA dmix(p= eriod size 512, periods 3) --> SPDIF Out of onboard soundcard(Realtek AL= C887) --> SPDIF In of Creative Sound Blaster X-Fi HD USB --(alsa_in, per= iod_size 512, periods 3)--> netjack1 =3D=3D(ethernet)=3D=3D> ALSA jac= k backend --> Amplifier --> Speakers</div><div>2. netjack1 --(alsa_ou= t, period_size 512, periods 3)--> headphones</div><div><br></div><div>I = have my own software for managing jack connections. A keyboard shortcut can= switch clients between speakers and headphones.</div></div><br><div class= =3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Aug 9, 2019 = at 11:18 AM Chris Caudle <<a href=3D"mailto:[email protected]">chris= @chriscaudle.org</a>> wrote:<br></div><blockquote class=3D"gmail_quote" = style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pa= dding-left:1ex">On Thu, August 8, 2019 6:39 pm, crocket wrote:<br> > If there is no audio data from SPDIF out, would SPDIF out still send c= lock<br> > signals?<br> <br> Often that is the case, but you would have to consult the documentation<br> for your particular audio interface to verify.<br> <br> -- <br> Chris Caudle<br> <br> <br> _______________________________________________<br> Jack-Devel mailing list<br> <a href=3D"mailto:[email protected]" target=3D"_blank">Jack-De= [email protected]</a><br> <a href=3D"http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org= " rel=3D"noreferrer" target=3D"_blank">http://lists.jackaudio.org/listinfo.= cgi/jack-devel-jackaudio.org</a><br> </blockquote></div> --000000000000a8ae76058fa6d19e-- --===============6190085769153312445== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Jack-Devel mailing list [email protected] http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org --===============6190085769153312445==--