Rutger et al;
--
On Sun, Dec 15, 2013 at 11:31 AM, Rutger Noot <rutger.noot@xxxxxxxxxxx> wrote:
Dear Chris,
Thanks for your answer and for taking interest!
Well I am no expert at any of this; I hope that one of the devs will chime in here...
That's also what I found. If I ask pulse to use S16_LE things are OK, but
On dim., 2013-12-15 at 09:56 -0800, chris hermansen wrote:
> Rutger et all,
>
> On Dec 15, 2013 9:38 AM, "Rutger Noot" <rutger.noot@xxxxxxxxxxx>
> wrote:
> >
> > Hi,
> >
> > I have difficulties with the TEAC UD-H01 usb dac. Playback is fine
> in 16
> > bit mode (even at sample rates up to 192kHz), but in 24 bit mode
> there
> > is an incredible amount of jitter (continuous clicking) at any
> sample
> > rate above 48kHz. Admittedly, there should be little (if any)
> audible
> > difference passing from 16 to 24 bits, but still it should work.
> >
> > After discovering this by playing music through rhythmbox and
> > pulseaudio, I have tested by converting a wav-file to different
>
> Rhythmbox uses Pulse as far as I know, and Pulse resamples again
> AFAIK. At least I have never been able to convince Pulse to "leave
> things alone". Pulse then passes the resampled stuff to Alsa.
>
setting to S24_LE causes all those artefacts. Anyway, for further
testing, rhythmbox & pulse are a bad choice.
Can you disable Pulse completely? Or at least set it so that the default sound device is the internal audio chip? That way we can perhaps rule out that it is somehow interfering with your aplay experiments...
To disable it completely (temporarily) you should be able to replace the line
; autospawn = yes
; autospawn = yes
with
autospan = no
I tried with hw:1,0 and (just now) with plughw:1,0 The result is the
> Players that I know that will play directly to Alsa: mpd, QuodLibet,
> Guayadeque.
>
> > combinations of sample-size/sample-rates and playing directly
> through
> > aplay. So the problem seems to come from the alsa driver. Any hints
> on
> > what to try?
> >
> > PS using kernel 3.11.10 on fedora 18.
>
> With aplay have you tried using the plughw output device associated
> with the Teac unit?
>
> You can figure that out with "aplay -l" and/or "aplay -L".
same. Changing USB cables didn't help either.
Can you try other USB ports on the computer? For instance, any USB-3 ports (I have a problem with a System76 laptop that won't play hi-res files without weird static/distortion through an AudioQuest DragonFly on its USB2 port but is fine on a USB3 port).
Are your USB cables distinctly different, ie not just two exactly the same? How long are they? Are they USB-2 compatible?
>
> Do you have other USB cables to try?
Do you have another 24/96 compatible DAC you can try?
>Some diagnostics output is given below.
> If none of those help you need to send some diagnostic info... The two
> aplay outputs above and I guess the output of "lsusb".
>
Thanks again,
Rutger.
(I am talking about card 1)
==============
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: 92HD90BXX Analog [92HD90BXX Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: DEVICE [TEAC USB AUDIO DEVICE], 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
Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=PCH
HDA Intel PCH, 92HD90BXX Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
Front speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, 92HD90BXX Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, HDMI 0
HDMI Audio Output
hdmi:CARD=PCH,DEV=1
HDA Intel PCH, HDMI 1
HDMI Audio Output
hdmi:CARD=PCH,DEV=2
HDA Intel PCH, HDMI 2
HDMI Audio Output
sysdefault:CARD=DEVICE
TEAC USB AUDIO DEVICE, USB Audio
Default Audio Device
front:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
Front speakers
surround40:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=DEVICE,DEV=0
TEAC USB AUDIO DEVICE, USB Audio
IEC958 (S/PDIF) Digital Audio Output
==============================
$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 413c:8187 Dell Computer Corp. DW375 Bluetooth Module
Bus 001 Device 004: ID 1bcf:2980 Sunplus Innovation Technology Inc.
Bus 002 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 005: ID 0644:8038 TEAC Corp.
Bus 002 Device 004: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure
Applications Processor
=======================================
$sudo lsusb -v -d0644:8038
Bus 002 Device 005: ID 0644:8038 TEAC Corp.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x0644 TEAC Corp.
idProduct 0x8038
bcdDevice 0.03
iManufacturer 1 TEAC
iProduct 2 TEAC USB AUDIO DEVICE
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 220
bNumInterfaces 3
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0 No Subclass
bInterfaceProtocol 0 None
iInterface 0
HID Device Descriptor:
bLength 9
bDescriptorType 33
bcdHID 1.00
bCountryCode 0 Not supported
bNumDescriptors 1
bDescriptorType 34 Report
wDescriptorLength 26
Report Descriptors:
** UNAVAILABLE **
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 6
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 2
bInterfaceCount 2
bFunctionClass 1 Audio
bFunctionSubClass 0
bFunctionProtocol 32
iFunction 4 TEAC USB HS ASYNC AUDIO DEVICE
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 2
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 1 Control Device
bInterfaceProtocol 32
iInterface 4 TEAC USB HS ASYNC AUDIO DEVICE
AudioControl Interface Descriptor:
bLength 9
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdADC 2.00
bCategory 10
wTotalLength 54
bmControl 0x00
AudioControl Interface Descriptor:
bLength 8
bDescriptorType 36
bDescriptorSubtype 10 (CLOCK_SOURCE)
bClockID 12
bmAttributes 0x07 Internal programmable Clock (synced to SOF)
bmControls 0x07
Clock Frequency Control (read/write)
Clock Validity Control (read-only)
bAssocTerminal 0
iClockSource 0
AudioControl Interface Descriptor:
bLength 8
bDescriptorType 36
bDescriptorSubtype 10 (CLOCK_SOURCE)
bClockID 13
bmAttributes 0x07 Internal programmable Clock (synced to SOF)
bmControls 0x07
Clock Frequency Control (read/write)
Clock Validity Control (read-only)
bAssocTerminal 0
iClockSource 0
AudioControl Interface Descriptor:
bLength 17
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 4
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bCSourceID 12
bNrChannels 2
bmChannelConfig 0x00000003
Front Left (FL)
Front Right (FR)
bmControls 0x0000
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 3 (OUTPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0605 SPDIF interface
bAssocTerminal 0
bSourceID 4
bCSourceID 12
bmControls 0x0000
iTerminal 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 0
bNumEndpoints 0
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 32
iInterface 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 1
bNumEndpoints 2
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 32
iInterface 0
AudioStreaming Interface Descriptor:
bLength 16
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 4
bmControls 0x00
bFormatType 1
bmFormats 1
PCM
bNrChannels 2
bmChannelConfig 0x00000003
Front Left (FL)
Front Right (FR)
iChannelNames 0
AudioStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bSubslotSize 2
bBitResolution 16
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x0068 1x 104 bytes
bInterval 1
AudioControl Endpoint Descriptor:
bLength 8
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x00
bmControls 0x00
bLockDelayUnits 2 Decoded PCM samples
wLockDelay 2
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 17
Transfer Type Isochronous
Synch Type None
Usage Type Feedback
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 4
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 2
bNumEndpoints 2
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 32
iInterface 0
AudioStreaming Interface Descriptor:
bLength 16
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 4
bmControls 0x00
bFormatType 1
bmFormats 1
PCM
bNrChannels 2
bmChannelConfig 0x00000003
Front Left (FL)
Front Right (FR)
iChannelNames 0
AudioStreaming Interface Descriptor:
bLength 6
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bSubslotSize 3
bBitResolution 24
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x009c 1x 156 bytes
bInterval 1
AudioControl Endpoint Descriptor:
bLength 8
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x00
bmControls 0x00
bLockDelayUnits 2 Decoded PCM samples
wLockDelay 2
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x84 EP 4 IN
bmAttributes 17
Transfer Type Isochronous
Synch Type None
Usage Type Feedback
wMaxPacketSize 0x0004 1x 4 bytes
bInterval 4
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
When you have a 96/24 file playing with aplay, can you open a terminal window and
cd /proc/asound/DEVICE
(I think that should be right based on your output of aplay -L)
cd /proc/asound/DEVICE
(I think that should be right based on your output of aplay -L)
and there do an
ls
you should see a file called stream0. type
cat stream0
cat stream0
and send what you get back to the list.
--
Chris Hermansen · clhermansen "at" gmail "dot" com
C'est ma façon de parler.
C'est ma façon de parler.
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