Re: [Alsa-user] Mixing two audio sources in virtual source
Marco Zambianchi wrote: What I want to achieve is to mix the audio coming from 2 different sources and route it to be the input of a virtual sound card for being then used in Google Hangout / Skype, or in a recording application as the input channel. The two sources i have to mix are: A) An external USB microphone (a Blue Yeti, working perfectly per se) B) The system audio of my computer (meaning anything that goes out from the computer loudspeakers) There is no ALSA plugin that can dynamically resample the two inputs to adjust for the clock differences. Try PulseAudio. Regards, Clemens -- Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831iu=/4140/ostg.clktrk ___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
[Alsa-user] teac UD-H01, bad 24 bit playback
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 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. -- Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831iu=/4140/ostg.clktrk ___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
Re: [Alsa-user] teac UD-H01, bad 24 bit playback
Rutger et all, On Dec 15, 2013 9:38 AM, Rutger Noot rutger.n...@laposte.net 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. 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. Do you have other USB cables to try? If none of those help you need to send some diagnostic info... The two aplay outputs above and I guess the output of lsusb. -- Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831iu=/4140/ostg.clktrk___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
Re: [Alsa-user] teac UD-H01, bad 24 bit playback
Dear Chris, Thanks for your answer and for taking interest! 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.n...@laposte.net 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. That's also what I found. If I ask pulse to use S16_LE things are OK, but setting to S24_LE causes all those artefacts. Anyway, for further testing, rhythmbox pulse are a bad choice. 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. I tried with hw:1,0 and (just now) with plughw:1,0 The result is the same. Changing USB cables didn't help either. Do you have other USB cables to try? If none of those help you need to send some diagnostic info... The two aplay outputs above and I guess the output of lsusb. Some diagnostics output is given below. 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
[Alsa-user] alsa clearifications
Hi, Trying to get my newly purchased Native Instruments Komplete Audio 6 to function more fully on my Linux Mint Mate Petra system (using a HP 500-46 Pavillion desktop, dual booting w/Windows 8.1). For starters, I think I may need to update my alsa... (perhaps it is other problems, that is, other than updating alsa??). The alsa page supporting this piece of hardware says to install the latest alsa drivers, etc... on the alsa project page, I do not see a file called alsa driver ( my version of alsa-base is 1.0.25). Current versions * stable linux kernel http://www.kernel.org * alsa-lib-1.0.27.2 ftp://ftp.alsa-project.org/pub/lib/alsa-lib-1.0.27.2.tar.bz2 * alsa-utils-1.0.27.2 ftp://ftp.alsa-project.org/pub/utils/alsa-utils-1.0.27.2.tar.bz2 * alsa-tools-1.0.27 ftp://ftp.alsa-project.org/pub/tools/alsa-tools-1.0.27.tar.bz2 * alsa-firmware-1.0.27 ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.27.tar.bz2 * alsa-plugins-1.0.27 ftp://ftp.alsa-project.org/pub/plugins/alsa-plugins-1.0.27.tar.bz2 * alsa-oss-1.0.25 ftp://ftp.alsa-project.org/pub/oss-lib/alsa-oss-1.0.25.tar.bz2 * pyalsa-1.0.26 ftp://ftp.alsa-project.org/pub/pyalsa/pyalsa-1.0.26.tar.bz2 Development versions * alsa-driver: none * alsa-lib: none * alsa-utils: none * alsa-tools: none * alsa-firmware: none * alsa-plugins: none * alsa-oss: none * pyalsa: none The Development versions are located on the alsa page, opposite side of the Current versions so it appears the stable linux kernel is the asla driver... I'm a bit confused here... clarifications welcome (i.e., what is the alsa driver file?). Thanks much, Henry P.s., if any can offer suggestions regarding getting this hardware (Komplete Audio 6) setup, fully functioning, that would be nice, too! (some features are recognized work out of the box... (i.e., VLC player, sound on Firefox) but I use Jack, Ardour, Rosegarden, etc., midi functions with Rosegarden, not with Ardour , in fact, not been able to get Ardour to recognize audio inputs, other than already recorded wave files, the like.) -- Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831iu=/4140/ostg.clktrk___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
Re: [Alsa-user] alsa clearifications
http://www.alsa-project.org/main/index.php/Main_Page - How do I install the ALSA driver from source http://www.alsa-project.org/main/index.php/Download - alsa-driver [snip] This package is now obsolete, as kernel.org is now taking updates to the modules directly from the ALSA GIT server. -- Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831iu=/4140/ostg.clktrk ___ Alsa-user mailing list Alsa-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/alsa-user
