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Date:      Thu, 5 Jul 2018 17:00:32 -0700
From:      Kevin Oberman <rkoberman@gmail.com>
To:        Hans Petter Selasky <hps@selasky.org>
Cc:        multimedia@freebsd.org
Subject:   Re: Audio recording from USB
Message-ID:  <CAN6yY1vZ8MjRCvPaCsLSmH7zDTwZ3NMHWzTndduAmxOL%2BTZ55w@mail.gmail.com>
In-Reply-To: <07c88807-a86b-4c33-c418-e0e15ddc4f80@selasky.org>
References:  <CAN6yY1tf7quSaCe7PzCaA5MN39UG8ge_mRF8zvxssOVR%2BYh-Mw@mail.gmail.com> <07c88807-a86b-4c33-c418-e0e15ddc4f80@selasky.org>

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Oops! Sorry of hte empty message made it through.

On Thu, Jul 5, 2018 at 12:47 AM, Hans Petter Selasky <hps@selasky.org>
wrote:

> On 07/04/18 23:41, Kevin Oberman wrote:
>
>> I have an Audio-technia turntable with USB output and I want to use
>> audacity to record from it. I have read the sound, mixer, and snd_uaudio
>> man pages, but am still unable to get the configuration correct. sndstat
>> shows the device (pcm4) but mixer only lists pcm0, the Conexant CX20590,
>> which is marked as default in sndstat.
>>
>> Messages on connection:
>> uaudio0 on uhub3
>> uaudio0: <BurrBrown from Texas Instruments USB AUDIO  CODEC, class 0/0,
>> rev
>> 2.00/1.00, addr 3> on usbus1
>> uaudio0: Play: 48000 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Play: 44100 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Play: 32000 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 48000 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 44100 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 32000 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 22050 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 16000 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: Record: 11025 Hz, 2 ch, 16-bit S-LE PCM format, 2x8ms buffer.
>> uaudio0: No MIDI sequencer.
>> pcm4: <USB audio> on uaudio0
>> uaudio0: HID volume keys found.
>>
>> Installed devices:
>> pcm0: <Conexant CX20590 (Analog 2.0+HP/2.0)> (play/rec) default
>> pcm1: <Intel Cougar Point (HDMI/DP 8ch)> (play)
>> pcm2: <Intel Cougar Point (HDMI/DP 8ch)> (play)
>> pcm3: <Intel Cougar Point (HDMI/DP 8ch)> (play)
>> pcm4: <USB audio> (play/rec)
>>
>> mixer -f /dev/mixer4 shows:
>> Mixer vol      is currently set to  75:75
>> Mixer pcm      is currently set to  75:75
>> No line or mic.
>>
>> I tried "cat /dev/dsp4.0" and got the expected stream of "junk" that looks
>> like it is getting data from the turntable.  "junk" changes when I play
>> something, so I think the hardware is all working to some degree.
>>
>> Can anyone suggest where to go from here?
>>
>
> Did you try:
> sysctl -a hw.snd.default_unit=4
>
> --HPS


Yes, but...
> mixer
Mixer vol      is currently set to  75:75
Mixer pcm      is currently set to  75:75

So mixer seems to "see" mixer4, but still only shows vol and pcm. No input
device. Bringing up the mate sound preferences, I only see the on-board
mic  for input, but see the USB device for output. I'm a bit baffled as to
why the mixer fails to any USB input even though the connection message
clearly shows that capability.



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