From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Mulder Subject: Pls help to interpret diagnostic output Date: Wed, 31 Jan 2018 07:21:22 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============7226763645558481923==" Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-user-bounces@lists.sourceforge.net To: "alsa-user@lists.sourceforge.net" , "alsa-devel@alsa-project.org" List-Id: alsa-devel@alsa-project.org --===============7226763645558481923== Content-Type: multipart/alternative; boundary="f403045da1762a690f05640d5435" --f403045da1762a690f05640d5435 Content-Type: text/plain; charset="UTF-8" Hi. I have an Audient iD14, which is a USB class compliant audio interface. The sound output is very loud on the right and super soft on the left. I am running Lubuntu 16.04 with ALSA only. No PulseAudio. I have run some diagnostic commands. Would appreciate help interpreting the output. I'm trying to understand the problem, so I can find a solution. *cat /proc/asound/cards * 0 [iD14 ]: USB-Audio - Audient iD14 Audient Audient iD14 at usb-0000:00:1d.0-1.3, high speed *cat /proc/asound/card0/usbmixer* USB Mixer: usb_id=0x27080002, ctrlif=0, ctlerr=0 Card: Audient Audient iD14 at usb-0000:00:1d.0-1.3, high speed Unit: 11 Control: name="Phase Inverter Control", index=0 Info: id=11, control=13, cmask=0x3ff, channels=10, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Input Gain Control", index=0 Info: id=11, control=11, cmask=0x3ff, channels=10, type="S16" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 12 Control: name="Speaker Playback Volume", index=0 Info: id=12, control=2, cmask=0xf, channels=4, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 40 Control: name="Audient Clock Selector", index=0 Info: id=40, control=1, cmask=0x0, channels=1, type="U8" Volume: min=1, max=3, dBmin=0, dBmax=0 Unit: 41 Control: name="Audient Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 42 Control: name="Audient S/PDIF Clock Validity", index=0 Info: id=42, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 43 Control: name="Audient ADAT Clock Validity", index=0 Info: id=43, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 60 Control: name="Audient iD14 Volume", index=3 Info: id=60, control=4, cmask=0xf, channels=4, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 60 Control: name="Audient iD14 Volume", index=2 Info: id=60, control=3, cmask=0xf, channels=4, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 60 Control: name="Audient iD14 Volume", index=1 Info: id=60, control=2, cmask=0xf, channels=4, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 Unit: 60 Control: name="Audient iD14 Volume", index=0 Info: id=60, control=1, cmask=0xf, channels=4, type="S16" Volume: min=-32512, max=0, dBmin=-12700, dBmax=0 *cat /proc/asound/card0/pcm0p/info* card: 0 device: 0 subdevice: 0 stream: PLAYBACK id: USB Audio name: USB Audio subname: subdevice #0 class: 0 subclass: 0 subdevices_count: 1 subdevices_avail: 1 *aplay -l* **** List of PLAYBACK Hardware Devices **** card 0: iD14 [Audient iD14], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 *aplay -L* null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server default:CARD=iD14 Audient iD14, USB Audio Default Audio Device sysdefault:CARD=iD14 Audient iD14, USB Audio Default Audio Device front:CARD=iD14,DEV=0 Audient iD14, USB Audio Front speakers surround21:CARD=iD14,DEV=0 Audient iD14, USB Audio 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=iD14,DEV=0 Audient iD14, USB Audio 4.0 Surround output to Front and Rear speakers surround41:CARD=iD14,DEV=0 Audient iD14, USB Audio 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=iD14,DEV=0 Audient iD14, USB Audio 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=iD14,DEV=0 Audient iD14, USB Audio 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=iD14,DEV=0 Audient iD14, USB Audio 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=iD14,DEV=0 Audient iD14, USB Audio IEC958 (S/PDIF) Digital Audio Output dmix:CARD=iD14,DEV=0 Audient iD14, USB Audio Direct sample mixing device dsnoop:CARD=iD14,DEV=0 Audient iD14, USB Audio Direct sample snooping device hw:CARD=iD14,DEV=0 Audient iD14, USB Audio Direct hardware device without any conversions plughw:CARD=iD14,DEV=0 Audient iD14, USB Audio Hardware device with all software conversions *aplay -vv ~/Downloads/burn.wav * Playing WAVE '/home/cm/Downloads/burn.wav' : Float 32 bit Little Endian, Rate 48000 Hz, Stereo Plug PCM: Linear Integer <-> Linear Float conversion PCM (S32_LE) Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : FLOAT_LE subformat : STD channels : 2 rate : 48000 exact rate : 48000 (48000/1) msbits : 32 buffer_size : 16384 period_size : 1024 period_time : 21333 tstamp_mode : NONE tstamp_type : MONOTONIC period_step : 1 avail_min : 1024 period_event : 0 start_threshold : 16384 stop_threshold : 16384 silence_threshold: 0 silence_size : 0 boundary : 4611686018427387904 Slave: Route conversion PCM (sformat=S32_LE) Transformation table: 0 <- 0 1 <- 1 2 <- none 3 <- none Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S32_LE subformat : STD channels : 2 rate : 48000 exact rate : 48000 (48000/1) msbits : 32 buffer_size : 16384 period_size : 1024 period_time : 21333 tstamp_mode : NONE tstamp_type : MONOTONIC period_step : 1 avail_min : 1024 period_event : 0 start_threshold : 16384 stop_threshold : 16384 silence_threshold: 0 silence_size : 0 boundary : 4611686018427387904 Slave: Direct Stream Mixing PCM Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S32_LE subformat : STD channels : 4 rate : 48000 exact rate : 48000 (48000/1) msbits : 32 buffer_size : 16384 period_size : 1024 period_time : 21333 tstamp_mode : NONE tstamp_type : MONOTONIC period_step : 1 avail_min : 1024 period_event : 0 start_threshold : 16384 stop_threshold : 16384 silence_threshold: 0 silence_size : 0 boundary : 4611686018427387904 Hardware PCM card 0 'Audient iD14' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S32_LE subformat : STD channels : 4 rate : 48000 exact rate : 48000 (48000/1) msbits : 32 buffer_size : 16384 period_size : 1024 period_time : 21333 tstamp_mode : ENABLE tstamp_type : MONOTONIC period_step : 1 avail_min : 1024 period_event : 0 start_threshold : 1 stop_threshold : 4611686018427387904 silence_threshold: 0 silence_size : 4611686018427387904 boundary : 4611686018427387904 appl_ptr : 0 hw_ptr : 0 *./alsacap* *** Scanning for playback devices *** Card 0, ID `iD14', name `Audient iD14' Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available) 4 channels, sampling rate 44100..96000 Hz Sample formats: S16_LE, S32_LE Subdevice 0, name `subdevice #0' -- Charles Mulder Software Engineer/Musician mobile: +27 83 653 3698 phone: +27 27 948 2592 skype: charliemurder --f403045da1762a690f05640d5435 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi.

I have an Audient iD1= 4, which is a USB class compliant audio interface. The sound output is very= loud on the right and super soft on the left. I am running Lubuntu 16.04 w= ith ALSA only. No PulseAudio.

I have run some dia= gnostic commands. Would appreciate help interpreting the output.

I'm trying to understand the problem, so I can find a solution= .

cat /proc/asound/cards
=C2=A00 [iD14 ]: USB-Audio - Audient iD14
=C2=A0=C2=A0= =C2=A0 Audient Audient iD14 at usb-0000:00:1d.0-1.3, high speed

cat /proc/asound/card0/usbmixer
USB Mixer: usb_id=3D0x27080002, ctrlif=3D0, ctlerr=3D0Card: Audient Audient iD14 at usb-0000:00:1d.0-1.3, high speed
=C2=A0 = Unit: 11
=C2=A0=C2=A0=C2=A0 Control: name=3D"Phase Inverter Control= ", index=3D0
=C2=A0=C2=A0=C2=A0 Info: id=3D11, control=3D13, cmask= =3D0x3ff, channels=3D10, type=3D"BOOLEAN"
=C2=A0=C2=A0=C2=A0 V= olume: min=3D0, max=3D1, dBmin=3D0, dBmax=3D0
=C2=A0 Unit: 11
=C2=A0= =C2=A0=C2=A0 Control: name=3D"Input Gain Control", index=3D0
= =C2=A0=C2=A0=C2=A0 Info: id=3D11, control=3D11, cmask=3D0x3ff, channels=3D1= 0, type=3D"S16"
=C2=A0=C2=A0=C2=A0 Volume: min=3D0, max=3D1, d= Bmin=3D0, dBmax=3D0
=C2=A0 Unit: 12
=C2=A0=C2=A0=C2=A0 Control: name= =3D"Speaker Playback Volume", index=3D0
=C2=A0=C2=A0=C2=A0 Inf= o: id=3D12, control=3D2, cmask=3D0xf, channels=3D4, type=3D"S16"<= br>=C2=A0=C2=A0=C2=A0 Volume: min=3D-32512, max=3D0, dBmin=3D-12700, dBmax= =3D0
=C2=A0 Unit: 40
=C2=A0=C2=A0=C2=A0 Control: name=3D"Audient= Clock Selector", index=3D0
=C2=A0=C2=A0=C2=A0 Info: id=3D40, contr= ol=3D1, cmask=3D0x0, channels=3D1, type=3D"U8"
=C2=A0=C2=A0=C2= =A0 Volume: min=3D1, max=3D3, dBmin=3D0, dBmax=3D0
=C2=A0 Unit: 41
= =C2=A0=C2=A0=C2=A0 Control: name=3D"Audient Internal Clock Validity&qu= ot;, index=3D0
=C2=A0=C2=A0=C2=A0 Info: id=3D41, control=3D2, cmask=3D0x= 0, channels=3D1, type=3D"BOOLEAN"
=C2=A0=C2=A0=C2=A0 Volume: m= in=3D0, max=3D1, dBmin=3D0, dBmax=3D0
=C2=A0 Unit: 42
=C2=A0=C2=A0=C2= =A0 Control: name=3D"Audient S/PDIF Clock Validity", index=3D0=C2=A0=C2=A0=C2=A0 Info: id=3D42, control=3D2, cmask=3D0x0, channels=3D1, = type=3D"BOOLEAN"
=C2=A0=C2=A0=C2=A0 Volume: min=3D0, max=3D1, = dBmin=3D0, dBmax=3D0
=C2=A0 Unit: 43
=C2=A0=C2=A0=C2=A0 Control: name= =3D"Audient ADAT Clock Validity", index=3D0
=C2=A0=C2=A0=C2=A0= Info: id=3D43, control=3D2, cmask=3D0x0, channels=3D1, type=3D"BOOLEA= N"
=C2=A0=C2=A0=C2=A0 Volume: min=3D0, max=3D1, dBmin=3D0, dBmax=3D= 0
=C2=A0 Unit: 60
=C2=A0=C2=A0=C2=A0 Control: name=3D"Audient iD= 14=C2=A0 Volume", index=3D3
=C2=A0=C2=A0=C2=A0 Info: id=3D60, contr= ol=3D4, cmask=3D0xf, channels=3D4, type=3D"S16"
=C2=A0=C2=A0= =C2=A0 Volume: min=3D-32512, max=3D0, dBmin=3D-12700, dBmax=3D0
=C2=A0 U= nit: 60
=C2=A0=C2=A0=C2=A0 Control: name=3D"Audient iD14=C2=A0 Volu= me", index=3D2
=C2=A0=C2=A0=C2=A0 Info: id=3D60, control=3D3, cmask= =3D0xf, channels=3D4, type=3D"S16"
=C2=A0=C2=A0=C2=A0 Volume: = min=3D-32512, max=3D0, dBmin=3D-12700, dBmax=3D0
=C2=A0 Unit: 60
=C2= =A0=C2=A0=C2=A0 Control: name=3D"Audient iD14=C2=A0 Volume", inde= x=3D1
=C2=A0=C2=A0=C2=A0 Info: id=3D60, control=3D2, cmask=3D0xf, channe= ls=3D4, type=3D"S16"
=C2=A0=C2=A0=C2=A0 Volume: min=3D-32512, = max=3D0, dBmin=3D-12700, dBmax=3D0
=C2=A0 Unit: 60
=C2=A0=C2=A0=C2=A0= Control: name=3D"Audient iD14=C2=A0 Volume", index=3D0
=C2=A0= =C2=A0=C2=A0 Info: id=3D60, control=3D1, cmask=3D0xf, channels=3D4, type=3D= "S16"
=C2=A0=C2=A0=C2=A0 Volume: min=3D-32512, max=3D0, dBmin= =3D-12700, dBmax=3D0

cat /proc/asound/card0/pcm0p/info
card: 0
device: 0
subdevice: 0
stream: PLAYBACK
id: = USB Audio
name: USB Audio
subname: subdevice #0
class: 0
subcla= ss: 0
subdevices_count: 1
subdevices_avail: 1
aplay -l
**** List of PLA= YBACK Hardware Devices ****
card 0: iD14 [Audient iD14], device 0: USB A= udio [USB Audio]
=C2=A0 Subdevices: 1/1
=C2=A0 Subdevice #0: subdevic= e #0

aplay -L
null
=C2=A0=C2=A0=C2=A0 Discard all samples (playback) or generate zero= samples (capture)
pulse
=C2=A0=C2=A0=C2=A0 PulseAudio Sound Serverdefault:CARD=3DiD14
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2= =A0=C2=A0=C2=A0 Default Audio Device
sysdefault:CARD=3DiD14
=C2=A0=C2= =A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 Default Audio Devic= e
front:CARD=3DiD14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audi= o
=C2=A0=C2=A0=C2=A0 Front speakers
surround21:CARD=3DiD14,DEV=3D0=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 2.1 Surro= und output to Front and Subwoofer speakers
surround40:CARD=3DiD14,DEV=3D= 0
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 4.0 S= urround output to Front and Rear speakers
surround41:CARD=3DiD14,DEV=3D0=
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 4.1 Su= rround output to Front, Rear and Subwoofer speakers
surround50:CARD=3DiD= 14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2= =A0 5.0 Surround output to Front, Center and Rear speakers
surround51:CA= RD=3DiD14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0= =C2=A0=C2=A0 5.1 Surround output to Front, Center, Rear and Subwoofer speak= ers
surround71:CARD=3DiD14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14, U= SB Audio
=C2=A0=C2=A0=C2=A0 7.1 Surround output to Front, Center, Side, = Rear and Woofer speakers
iec958:CARD=3DiD14,DEV=3D0
=C2=A0=C2=A0=C2= =A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 IEC958 (S/PDIF) Digital A= udio Output
dmix:CARD=3DiD14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14,= USB Audio
=C2=A0=C2=A0=C2=A0 Direct sample mixing device
dsnoop:CARD= =3DiD14,DEV=3D0
=C2=A0=C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2= =A0=C2=A0 Direct sample snooping device
hw:CARD=3DiD14,DEV=3D0
=C2=A0= =C2=A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 Direct hardware = device without any conversions
plughw:CARD=3DiD14,DEV=3D0
=C2=A0=C2= =A0=C2=A0 Audient iD14, USB Audio
=C2=A0=C2=A0=C2=A0 Hardware device wit= h all software conversions

aplay -vv ~/Downloads/bur= n.wav
Playing WAVE '/home= /cm/Downloads/burn.wav' : Float 32 bit Little Endian, Rate 48000 Hz, St= ereo
Plug PCM: Linear Integer <-> Linear Float conversion PCM (S32= _LE)
Its setup is:
=C2=A0 stream=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 = : PLAYBACK
=C2=A0 access=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : RW_INTERL= EAVED
=C2=A0 format=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : FLOAT_LE
= =C2=A0 subformat=C2=A0=C2=A0=C2=A0 : STD
=C2=A0 channels=C2=A0=C2=A0=C2= =A0=C2=A0 : 2
=C2=A0 rate=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 : 48000
=C2=A0 exact rate=C2=A0=C2=A0 : 48000 (48000/1)
=C2=A0 ms= bits=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : 32
=C2=A0 buffer_size=C2=A0 := 16384
=C2=A0 period_size=C2=A0 : 1024
=C2=A0 period_time=C2=A0 : 213= 33
=C2=A0 tstamp_mode=C2=A0 : NONE
=C2=A0 tstamp_type=C2=A0 : MONOTON= IC
=C2=A0 period_step=C2=A0 : 1
=C2=A0 avail_min=C2=A0=C2=A0=C2=A0 : = 1024
=C2=A0 period_event : 0
=C2=A0 start_threshold=C2=A0 : 16384
= =C2=A0 stop_threshold=C2=A0=C2=A0 : 16384
=C2=A0 silence_threshold: 0=C2=A0 silence_size : 0
=C2=A0 boundary=C2=A0=C2=A0=C2=A0=C2=A0 : 46116= 86018427387904
Slave: Route conversion PCM (sformat=3DS32_LE)
=C2=A0 = Transformation table:
=C2=A0=C2=A0=C2=A0 0 <- 0
=C2=A0=C2=A0=C2=A0= 1 <- 1
=C2=A0=C2=A0=C2=A0 2 <- none
=C2=A0=C2=A0=C2=A0 3 <-= none
Its setup is:
=C2=A0 stream=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= : PLAYBACK
=C2=A0 access=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : MMAP_INT= ERLEAVED
=C2=A0 format=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : S32_LE
= =C2=A0 subformat=C2=A0=C2=A0=C2=A0 : STD
=C2=A0 channels=C2=A0=C2=A0=C2= =A0=C2=A0 : 2
=C2=A0 rate=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 : 48000
=C2=A0 exact rate=C2=A0=C2=A0 : 48000 (48000/1)
=C2=A0 ms= bits=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : 32
=C2=A0 buffer_size=C2=A0 := 16384
=C2=A0 period_size=C2=A0 : 1024
=C2=A0 period_time=C2=A0 : 213= 33
=C2=A0 tstamp_mode=C2=A0 : NONE
=C2=A0 tstamp_type=C2=A0 : MONOTON= IC
=C2=A0 period_step=C2=A0 : 1
=C2=A0 avail_min=C2=A0=C2=A0=C2=A0 : = 1024
=C2=A0 period_event : 0
=C2=A0 start_threshold=C2=A0 : 16384
= =C2=A0 stop_threshold=C2=A0=C2=A0 : 16384
=C2=A0 silence_threshold: 0=C2=A0 silence_size : 0
=C2=A0 boundary=C2=A0=C2=A0=C2=A0=C2=A0 : 46116= 86018427387904
Slave: Direct Stream Mixing PCM
Its setup is:
=C2= =A0 stream=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : PLAYBACK
=C2=A0 access= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : MMAP_INTERLEAVED
=C2=A0 format=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : S32_LE
=C2=A0 subformat=C2=A0=C2=A0= =C2=A0 : STD
=C2=A0 channels=C2=A0=C2=A0=C2=A0=C2=A0 : 4
=C2=A0 rate= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : 48000
=C2=A0 exact ra= te=C2=A0=C2=A0 : 48000 (48000/1)
=C2=A0 msbits=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 : 32
=C2=A0 buffer_size=C2=A0 : 16384
=C2=A0 period_size= =C2=A0 : 1024
=C2=A0 period_time=C2=A0 : 21333
=C2=A0 tstamp_mode=C2= =A0 : NONE
=C2=A0 tstamp_type=C2=A0 : MONOTONIC
=C2=A0 period_step=C2= =A0 : 1
=C2=A0 avail_min=C2=A0=C2=A0=C2=A0 : 1024
=C2=A0 period_event= : 0
=C2=A0 start_threshold=C2=A0 : 16384
=C2=A0 stop_threshold=C2=A0= =C2=A0 : 16384
=C2=A0 silence_threshold: 0
=C2=A0 silence_size : 0=C2=A0 boundary=C2=A0=C2=A0=C2=A0=C2=A0 : 4611686018427387904
Hardware = PCM card 0 'Audient iD14' device 0 subdevice 0
Its setup is:
= =C2=A0 stream=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : PLAYBACK
=C2=A0 acce= ss=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : MMAP_INTERLEAVED
=C2=A0 format= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : S32_LE
=C2=A0 subformat=C2=A0=C2= =A0=C2=A0 : STD
=C2=A0 channels=C2=A0=C2=A0=C2=A0=C2=A0 : 4
=C2=A0 ra= te=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : 48000
=C2=A0 exact = rate=C2=A0=C2=A0 : 48000 (48000/1)
=C2=A0 msbits=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0 : 32
=C2=A0 buffer_size=C2=A0 : 16384
=C2=A0 period_size= =C2=A0 : 1024
=C2=A0 period_time=C2=A0 : 21333
=C2=A0 tstamp_mode=C2= =A0 : ENABLE
=C2=A0 tstamp_type=C2=A0 : MONOTONIC
=C2=A0 period_step= =C2=A0 : 1
=C2=A0 avail_min=C2=A0=C2=A0=C2=A0 : 1024
=C2=A0 period_ev= ent : 0
=C2=A0 start_threshold=C2=A0 : 1
=C2=A0 stop_threshold=C2=A0= =C2=A0 : 4611686018427387904
=C2=A0 silence_threshold: 0
=C2=A0 silen= ce_size : 4611686018427387904
=C2=A0 boundary=C2=A0=C2=A0=C2=A0=C2=A0 : = 4611686018427387904
=C2=A0 appl_ptr=C2=A0=C2=A0=C2=A0=C2=A0 : 0
=C2= =A0 hw_ptr=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 : 0

./alsac= ap
*** Scanning for playback d= evices ***
Card 0, ID `iD14', name `Audient iD14'
=C2=A0 Devi= ce 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)<= br>=C2=A0=C2=A0=C2=A0 4 channels, sampling rate 44100..96000 Hz
=C2=A0= =C2=A0=C2=A0 Sample formats: S16_LE, S32_LE
=C2=A0=C2=A0=C2=A0=C2=A0=C2= =A0 Subdevice 0, name `subdevice #0'
--
Charles M= ulder
Software Engineer/Musician
mobile: +27 83 653 3698
=
phone: +27 27 948 2592
skype: charliemurder
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