Ubuntu Multimedia :: SPDIF Pass-through Only Works With 2ch PCM?
Mar 27, 2010
I'm trying to get AC3/DTS passthrough working with my HTPC in which I'm using the onboard sound from an nForce 4-based motherboard. I've tested it in Win7 to check that all the connections etc are set up correctly and it works perfectly there. However under Kubuntu I can only get 2ch PCM sound to work through the SPDIF connection. Any DTS/DD sources just result in silence.If I go into Multimedia settings in the System Settings panel, the SPDIF device that shows up there (once I enable advanced devices) produces no sound with the Test button. I can hear a click as the device is activated but no sound is produced. I can also see that a digital signal is making it to my receiver as it has an icon which lights up when it locks onto a signal.Has anyone had success with SPDIF passthrough in 9.10? I've tried twiddling all the settings in Kmix relate to IEC and also tried following the Alsa wiki on digital passthrough without any success.
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Jun 18, 2010
On my initial setup I follow the Comprehensive sound guide that is posted on the ubuntu forums because I wanted to get the spdif work Optical out with surround. After a while I was able some how to get it to work and but my headphones would no longer output sound so in an effort to get sound back to the headphones I maanged to ruin the the settings for the spdif.My question is how can I get spdif back and switch between headphones and spdif.I there no way to figure it out how do I purge every file that has to do with sound and recompile. ( THe comprehensive sound guide showed how to purge the alsa utils but that didnt work if someone know why please let me know and if you could explain.)
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Nov 17, 2010
For months it was perfect. Simultaneous sound from both SPDIF and computer speakers. Today suddenly out of the blue no sound in SPDIF. If I click Test in KDE System Settings for SPDIF devivce that sound is played, so, I tried putting this device at the top, then sound comes only from SPDIF but not from the speakers!
God, why in Linux something perfect breaks into thousand pieces without any seemingly changes...
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May 2, 2010
Using latest Ubuntu 10.04, the Creative Sound Blater X-Fi Titanium does not show (sound preferences) SPDIF (Digital).
Only Analog options are present.
While
Code:
alsamixer
shows S/PDIF with max volume... (IN and OUT)
Is there any alsa-base "options" to configure to see SPDIF in Sound-preferences?
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May 9, 2011
I just did an install on a new partition to upgrade my htpc. I'm unable to get any sound over SPDIF working. I do not have a receiver that accepts HDMI so I need to use spdif That said, i was able to test the hdmi portion of the sound with my tv and that appears to be working fine.[URL]Below is just the list of aplay -l
Code:
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC1200 Analog [ALC1200 Analog]
[code]....
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Apr 17, 2010
I just installed Ubuntu Lucid beta 2 on my desktop, and I can't seem to get the sound to work. I have a Soundblaster Audigy 2 card and the motherboard has built-in sound, but ubuntu doesn't recognize either of them. The only hardware option I have in my sound preferences is for SPDIF, and thats the only thing that shows up in alsamixer as well.
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Jun 4, 2010
Currently using an Asrock ION 330 with an SPDIF output and running 10.04It works as stereo but can't get the system to run as surround sound and everything shows as 2 channels only.The hardware itself supports it fine as it works under windows 7 without issues so it has to be a config issue somewhere.I have tried everything I can find via google including upgrading the alsa drivers but so far there has been no change.
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Jun 8, 2010
I am looking to get a sound card to put in my HTPC that is running Ubuntu 10.04. I bought Auzentech x-plosion sound card that has spdif support but it does not work. Does anyone know of any card that will work or am I out of luck??
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Aug 9, 2010
I am using the Creative X-Fi Surround sound card and a Samsung 5.1 Home Theater system. When I play back MP3s, or system sounds are played, the beginning of the audio is cut off. The nature of the cut-off is that audio fades in instead of just starting. It's only the fraction of a second, but whenever sound is played after a silence (i.e. also in songs that have short silent breaks, like Roxette's "The Look"), the beginning of the audio quickly fades in. So in "The Look", instead of playing
Na na na na na, na na na na na, na na na na na na she's got the look
It plays:
[%fade in]a na na na na, na na na na na, na na na na na na she's got the look
Any ideas what is causing this? I already turned off the suspend option for Pulse audio, but it happens whether I use Pulse or ALSA for output.
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Jan 22, 2011
Ubuntu 10.10 x64 worked out of the box for me but there is one irritating issue.
I have Xonar DS(Oxygen HD Audio) with analogue 2.1 speakers and spdif passthrough to nvidia GTX260 hdmi output for my tv.
It makes random cracking noise on tv unless something is played, no matter on analogue or digital output, then is noiseless.
Alsa 1.0.23, kernel 2.6.35
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Sep 19, 2010
I bought this motherboard 6 months ago and I've been hammering on it since then. I can get audio output on the analog channels but what I'd really like is output on the SPDIF (optical, digital) channel so that I can have better sound quality on my home theater system. What I've tried...-I followed the sound troubleshooting guide.-I tried the 6 stack/3 stack approach suggested on the ALSA website.-Tried compiling and installing the latest version of alsa.-Tried installing the development drivers for alsa that are put out by the ubuntu community.
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Jul 5, 2010
I currently have the following:-
Optical Out from my TV into the SPDIF / Optical In on my PC
Optical Out from my PC into my Sony 5.1 Theatre Kit
The audio from the PC comes through ok when listening to music and movies. But unfortunately I can figure out how to enable the audio passthrough from my Tv so that the audio comes out of my theatre kit. In Sound Preferences, the hardware is set to 1 Output / 1 Input [Digital Stereo (IEC95 Output + Digital Stereo (IEC95 Input]. When I click on the audio tab, the Input Volume is at 100% and the Input Level is moving in conjunction with the audio coming from the Tv.
I saw it mentioned in another thread to install Gnome Alsa Mixer which I've done, it seeems to identify the audio chipset as Realtek ALC882, the motherboard is an Abit AB9 Pro. Hopefully I'm missing some config somewhere or there a box I should be ticking but I just can't find it.
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Nov 8, 2010
A bit of background: I have a single set of Logitech Z-5500s and a Xonar D2X on my main computer. I have one other system currently ( sometimes two ), set up in a loop using optical in/out. This system uses analog out to communicate to the Logitech Z-5500s and, when on Windows, feeds a high quality bluetooth headset's input out it's own optical out down the ring so that Dragon Naturally Speaking works on all the systems. ( Since you can't listen to music / play sound effects and use Dragon at the same time, I don't get an infinite loop / digital feedback effect which is REALLY neat to listen to sometime. )
It's a pretty complicated setup. My Windows 7 installation is down due to hard drive failure, so I fixed Grub up and hopped on to Ubuntu 10.04 64 bit edition. So! What I need to get my sound working again, sans the overcomplicated headset part, is a way for my Ubuntu system to play its digital input / SPDIF input on its analog output. Nothing more.
Googling gets me a bunch of stuff meant for music recording that often has high latency. I need this to be minimal latency and because my Ubuntu rig is meant as a CGI workstation and ONLY a CGI workstation installation, I need it to be something with minimal maintenance in updates and minimal resource usage.
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Jun 9, 2010
I'm just not able to connect the dots regarding NVidia, audio and HDMI.I have Ubuntu 10.04 installed and updated the ALSA driver to version 1.0.23 using the script posted in another thread on this forum. Although I got a config issue in the process my NVidia HDA device shows up with
xbmc@MediaPortal:/etc/modprobe.d$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1708S Analog [VT1708S Analog]
[code]....
why do I see four NVidia HDMI devices (3,7,8 & 9) in aplay -l, I couldn't find an explanation for this? Next I got smplayer giving audio over HDMI when selecting either of the HDMI devices in the audio config menu, but after a reboot, even if one of them is still selected I need to change and apply before I hear sound. Is Pulse Audio or alsa or some other thing interfering? I just do net get sound working although XBMC lists HDMI for sound output and for passthrough. More precisely I have the options (High Definition Audio Controller Digital Stereo (HDMI), default, custom) for Output Device and (HDA NVidia hdmi and hdmi) for Passthrough of which I tried all combinations.
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Mar 28, 2011
How to make Chromium to pass RSS feeds to Liferea? There are several browser extensions for RSS feeds but it seems they only work with web-based readers.
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Jan 11, 2016
I am trying to perform a 2-pass encoding of a video from .mov to .webm, but it looks like that the 2-pass encoding is much worse than doing a single pass encoding. Here are the two commands I use:
Code: Select allavconv -y -i input.mov -r:v 25/1 -c:v libvpx -minrate 400k -maxrate 600k -b:v 400k -s 640x360 -force_fps -b:a 80k -pass 1 output.webm
avconv -y -i input.mov -r:v 25/1 -c:v libvpx -minrate 400k -maxrate 600k -b:v 400k -s 640x360 -force_fps -b:a 80k -pass 2 output.webm
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Aug 21, 2011
I installed today debian wheezy from OpenSUSE system via bootstrap. I have some strange behaviour with kde. At first kde worked fine and the only problem was that if I tried to logout from kde session, instead of kdm shows up, a black screen appear with mouse cursor working. I first ignore this error(because I had some problems with audio) and just reboot from vt console or sometimes restart kdm service. After I solved the audio problem I've searched to find some solution about kdm black screen problem. I found on kde forums a solution about terminate xserver option on kdmrc file, which didn't work in my case, but create another problem.
The problem is that now when I pass the mouse cursor from windows topbars I have glitches on window decorations. So I disable the above option again, reboot but the graphics problems was still there. I tried to uncheck vsync from desktom effects and the resault was all desktop effects to be disabled. Now I cannot re-enable desktop effects any more. But now I can logout and relogin. 3D works fine(glxgears works) but I cannot enable desktop effects. And I think that some effects work, because I see some smooth movements and fade outs when I pass the mouse cursor on kmenu items. My card is ATI radeon HD 4650, and I have the xorg-video-ati driver installed.
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Apr 18, 2011
Just installed 6.0.1 on my computer with a GA-H55N-USB3. It seems to have a Realtek ALC892 on it, and six 3.5mm jacks out and SPDIF too. I installed alsa and sound came from the 3.5mm jack, but I want SPDIF. I don't know what approach to make to enable it and that's the problem. SPDIF just have two modes in alsamixer, "00" or "MM" (muted). Master and PCM are set to 100. The SPDIF connecter is'nt even lit. How to enable it? I tried "alsactl init" and then rebooting, it made no difference.
[code]...
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Dec 5, 2010
there is no errors in log, also the AV shows PCM input for all sound (pcm/ac3/dts and so on) but there is silence (trying with both pulseaudio and alsa). Everything works with kernel 2.6.35.6-48 and before. the problem exists at least for 2.6.35.9-64.fc14 and 2.6.36.1-11.fc15
my audio is
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC889 Analog [ALC889 Analog]
[code]....
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Jan 26, 2011
I am a linux newbie; nethertheless I am trying to setup an old PC as jukebox using Debian. Unfortunately I can't get the SPDIF of the soundcard working (which works fine using windows). I tried a lot, spent the last evenings in the web to find an answer.. I will try to tell you what I tried so far, hardware and command outputs (aplay -l / -L) are at the bottom: For me it seems that the driver is installed correctly; with "aplay test.wav" I can hear sound with normal speakers and "aplay -L" shows the SPDIF device name (see bottom). But if I try to use it using "aplay -D iec958:CARD=CS46xx,DEV=0 test.wav":
[Code]...
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Aug 15, 2011
I have a shared headphone/spdif jack on my ASUS B53J and am running Ubuntu 11.04 Natty. I am not able to get the digital spdif output to work. I have tested the spdif out under Windows 7 and it works perfectly.
aplay -L
Quote:
default
Playback/recording through the PulseAudio sound server
pulse
Playback/recording through the PulseAudio sound server
[code].....
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Aug 29, 2010
I'm trying to get sound from Ubuntu 10.04 out thru the integrated realtek alc850 chipset to my home theatre via the spdif port. I installed the drivers from realtek but still no sound. Under Places-Preferences-Sound, only the IEC958 shows up. What else should I do? Neither Rhythmbox nor Alsa show the Realtec spdif.
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Nov 5, 2010
I am having a great time very quickly migrating from Windows through Ubuntu.
One area that I am still having trouble in is transcoding VOB into DivX, XviD, AVI, etc. I have been succesful one time using k9copy and it made a great looking avi. Since that time I get a failure on the 2nd pass. It seems as if the problem is related to the line in the error log "requested bit rate too low". So I changed from filesize to bitrate selection in the wizard and set it at max (99999). This got it to start the 2nd pass but still ended up crashing about 3/4 of the way through with an unexpected error message. Undaunted i tried again with the same setup and options. This time I once again got the bitrate too low error on the 2nd pass.
I have tried other GUI apps like avidemux (sound out of sync with that one), WinFF (not merging the vob's together), and others without satisfactory results. It would be great if I could get k9copy to work as it did the first try as it did exactly what I am looking for.
I have mencoder and all the depedencies installed (I believe). I am running a quad core amd64 bit processor and ubuntu 10.04.
It is just puzzling to me that k9copy worked flawlessly the first time and now nothing but trouble.
These are VOB's that have been put together by IFOedit from files dmuxed by DVDdecryter (under wine) stripped of copy guard. I take the ac3 soundtrack and convert it into WAV so that i can add a commentary (rifftrax) in audacity, then convert that back into ac3 and combine it all together again. I have been doing this for some time in Windows, and can now do everything in Ubuntu except for the avi transcode (really bothersome to reboot into windows just to run DivX Pro converter).
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Mar 17, 2010
in order to split an entire wave album and get it in flacs I use the following commands
[Code]....
Now I wonder which options (e.g. compression level) are used to create the flacs. Does shnplit use the flac software? Is it possible to pass flac options to shnsplit?
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Nov 12, 2010
I am attempting to configure my HTPC with FC13. You can see my hardware configuration at the following link.The problem I am facing is trying to output surround audio using the spdif (optical) interface. The system correctly recognizes the integrated sound card (MCP78S High Definition Audio), but fails to offer the option of digital surround output. The only option for digital output is plain stereo. On the other hand it does offer all the analog surround output options.I have tried modifying the /etc/pulse/daemon.conf and specifying it to use 6 channels, but it still uses just 2. And for added grief, it sends one of the channels to the subwoffer instead of the front right channel.
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Dec 27, 2009
I have just bought a new PC with an ASUS M4A78-AM motherboard with integrated VT1708S 6-channel sound chip in it, so I freshly installed fedora 12 without any issues However, I can't get the surround sound working. I have searched many forums a lot, and haven't found any solution yet.It seems that even the SPDIF output does not work on this sound card, and that is what people talk about on almost every forum / mail list. So I was unable to find almost ANY information regarding ANALOG surround sound.
The motherboard has 3 jacks on it - green for FRONT / 2 speaker set; blue is the line in OR THE REAR-SPEAKER out, and pink is the microphone OR side speaker out in the 6-spk configuration.My speaker configuration is 4.1 [2 front, 2 back and subwoofer]. Line out does not produce any sound.I have uninstalled pulseaudio [sudo yum remove pulseaudio]Now alsamixer shows a lot of controls, but even if I unmute line out and set it to max, it is still not producing any sound.
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May 29, 2010
Recently i put a DAC connected to the CL X-FI board via the SPDIF interface. Result is i can listen only one channel, the left one (hedaphone) while using the xmms, audacious.
The thing is that i'm able to listen both channels if i use the VLC configured with the same output, that is hw:2,4.
Info:
[root@kryptonbox ~]# lsmod | grep snd
snd_seq_midi 12353 0
snd_ctxfi 80557 1
snd_seq_dummy 7877 0
[Code]....
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May 10, 2011
Im running the upgrade to natty 64. My cd rom drive works when it wants to. when i put the disk in the system wont recognize it. so i just leave the disk in when i go to work. when i turn the comp back on 8-16 hrs later it will show up as ready to burn. i flashed back to windows and the drive wouldn't work at all, but on 10.04 it worked all the time. do you think that the drive is just being temperamental and is on its way out? or a kernel issue? If I shut the comp off and turn it right back on with the medium left in it, it will recognize the disk. this will not work on a restart.
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Feb 23, 2010
I'm trying to make a DVD that'll play on my stand alone DVD player. I import and edit the video using Kino and then export in an MPEG format. Fool that I am....I then waste hours and hours of time trying to create a DVD using Qdvdauthor. Then I click Create DVD and what does it do? It creates a bunch of useless files that when burned into a DVD produce a piece of junk.
Does anyone know exactly how to make a working video DVD on Ubuntu? unless you know exactly how to solve this problem don't send a bunch of links. I'm tired of reading the same regurgatated "how tos" that don't work.
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May 11, 2010
I'm on 10.04. Every dvd ripper I've tried so far has failed in one or another. I have all restricted extras and medibuntu codecs installed.
DVD::Rip either throws an error message or stops ripping somewhere through the process
Handbrake only finds some of the dvd titles
OGM rip gives an "Unknown error"
Acidrip says "mencoder interrupted by user"
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