Date: Sun, 26 Apr 2015 16:19:46 -0700 From: "Russell L. Carter" <rcarter@pinyon.org> To: Hans Petter Selasky <hps@selasky.org>, freebsd-multimedia@freebsd.org Subject: Re: uaudio0 -> audacity not recording Message-ID: <553D7292.5040703@pinyon.org> In-Reply-To: <553B2C3B.6050903@selasky.org> References: <5536BC53.4070107@pinyon.org> <55375172.8040605@selasky.org> <553805E1.80303@pinyon.org> <553A20FA.2070801@selasky.org> <553A5A07.1080701@pinyon.org> <553A6659.2020808@selasky.org> <553A7874.8080806@pinyon.org> <553B2C3B.6050903@selasky.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi, On 04/24/15 22:55, Hans Petter Selasky wrote: > On 04/24/15 19:08, Russell L. Carter wrote: >> Hi Hans, >> >> On 04/24/15 08:50, Hans Petter Selasky wrote: >>> On 04/24/15 16:58, Russell L. Carter wrote: >>>> >>>> >>>> On 04/24/15 03:54, Hans Petter Selasky wrote: >>>> >>>>> >>>>> Could you check or dump: >>>>> >>>>> sysctl -a | grep pcm >>>> >>>> Sure... >>>> >>>> dev.pcm.%parent: >>>> dev.pcm.0.%desc: USB audio >>>> dev.pcm.0.%driver: pcm >>>> dev.pcm.0.%location: >>>> dev.pcm.0.%pnpinfo: >>>> dev.pcm.0.%parent: uaudio0 >>>> dev.pcm.0.hwvol_step: 5 >>>> dev.pcm.0.hwvol_mixer: vol >>>> dev.pcm.0.play.vchans: 4 >>>> dev.pcm.0.play.vchanmode: fixed >>>> dev.pcm.0.play.vchanrate: 48000 >>>> dev.pcm.0.play.vchanformat: s16le:2.0 >>>> dev.pcm.0.rec.vchans: 1 >>>> dev.pcm.0.rec.vchanmode: fixed >>>> dev.pcm.0.rec.vchanrate: 48000 >>>> dev.pcm.0.rec.vchanformat: s16le:2.0 >>>> dev.pcm.0.buffersize: 0 >>>> dev.pcm.0.bitperfect: 0 >>>> dev.pcm.0.mixer.vol_0_0.val: -8225 >>>> dev.pcm.0.mixer.vol_0_0.min: -32768 >>>> dev.pcm.0.mixer.vol_0_0.max: 0 >>>> dev.pcm.0.mixer.vol_0_0.desc: USB Audio CODEC >>>> dev.pcm.0.mixer.vol_0_1.val: -8225 >>>> dev.pcm.0.mixer.vol_0_1.min: -32768 >>>> dev.pcm.0.mixer.vol_0_1.max: 0 >>>> dev.pcm.0.mixer.vol_0_1.desc: USB Audio CODEC >>>> dev.pcm.0.mixer.mute_1.val: 0 >>>> dev.pcm.0.mixer.mute_1.min: 0 >>>> dev.pcm.0.mixer.mute_1.max: 1 >>>> dev.pcm.0.mixer.mute_1.desc: USB Audio CODEC >>>> dev.pcm.0.feedback_rate: 0 >>>> >>>> >>> >>> Hi, >>> >>> If you run: >>> >>> sysctl dev.pcm.0.mixer.vol_0_0.val=-16000 >>> sysctl dev.pcm.0.mixer.vol_0_1.val=-16000 >>> >>> Does it make any difference? >> >> No difference, still garbled noise being output by rec. Rec appears >> to be receiving bits from the audio adapter; if I stop the audio >> source, the monitor correctly goes to zero. I raised mixer pcm from >> 75 to 100, and now I can hear in the garbled noise some tones that >> sound like they might be from the source. >> >>> Also try play with: >>> >>> sysctl dev.pcm.0.mixer.mute_1.val=0 >> >> This is where it is to begin with, so no effect. To be precise, I can >> hear the garbled output on 'play output.flac'. >> >>> sysctl dev.pcm.0.mixer.mute_1.val=1 >> >> And this causes the 'play output.flac' to be silent, even as the >> monitor is registering the same as before (about half the indicated >> max level for both channels). >> >> Thanks for taking a look at this. >> >> Russell >> > > Hi, > > Could you record this noise through another audio device and send me a > link? Maybe your audio adapter is broken ... Well, I had it working 9 months ago on linux. I will see if I can record through the adapter to sox/audacity on linux again. If the audio adapter turns out to be broken, I will note that on this thread. Best, Russell > > --HPS >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?553D7292.5040703>