5.1 Suround over HDMI in 10.8.2 and in bootcamp

Hello everybody,
just purchased my new Mac Mini 2012 i5 with Intel HD4000 Graphics.
so far everything works well, in OSX and also in Wun 7 via bootcamp,
except the following problem.
I adjusted my speaker setup in apple audio/midi setup utility to 5.1 speaker setup,
but if I try to test the speaker, I hear the sound from my back left suround and back right soround
from the coressponding front speakers, the speakers in the back stay quiet.
In Win7 the corresponding tool works as it should, I hear a testtone from every selected speaker.
Is there anything I need to change, od does it in the end not matter at all.
I will try 5.1 with Plex, XMBC and VLC this night.
BR
MiTi

Some things you can try.
- Sign out of the App Store (in the Store menu)
- Quit the App Store
- In Finder - Go>Go to folder... (or Apple-shift-G)
- Paste in the following "~/Library/Caches/ "
- It will take you to a folder. Delete com.apple.appstore
- Launch the App Store.
and
Try resetting the App Store.
Reset Learned from Old Toad
Hide Updates
Hide Updates (2)

Similar Messages

5.1 Surround over HDMI: Solve one problem, another rises up.

UPDATE 1: After a good night's sleep, and after doing a bit more reading on alsa-project.org (big props to this page), I managed to get a much better ~/.asoundrc together. It solves all my problems, and I can do everything I need. I've preserved the post below in case anyone else runs into these issues, and I'll post my solution as a response to this post.
UPDATE 2: Looks like I celebrated too early. Got more strange problems. Screw it, I'm going back to PulseAudio. I just wrote a wrapper script to kill and restart Pulse for applications that really, really need ALSA.
Okay. I've almost completely worn out my fingers trying to get this working. I feel like I'm playing Whack-a-Mole. This is a bit of a lengthy post, but I'll try my best to describe every problem I've encountered in as much detail as I can, followed by the solutions I found, followed by the problems each solution brought with it. By going through everything this way, mole by mole, hopefully it'll be easy to follow along and help me come to a universally working solution.
Summarized Version of Problems:
5.1 surround works only on specific applications which are robust enough to allow me to manually specify audio output options, and only if ALSA isn't configured at all
once I've configured ALSA, sound works on every application, but it's all downmixed to 2.0 stereo from this point on
installing PulseAudio lets me choose 5.1 surround as a default, but brings with it its own problems and drawbacks, namely the lack of passthrough support for encoded streams
Long-Winded Version:
I have my computer connected over HDMI to an AVR with a 5.1 surround speaker system. At first, I didn't have anything configured in ~/.asoundrc (or its global equivalent, /etc/asound.conf). Neither file existed, so everything was running off defaults. I got the name and device number of my card from aplay, ran speaker-test and played a six-channel test file in mplayer.
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
hdmi:CARD=HDMI,DEV=0
HDA Intel HDMI, HDMI 0
HDMI Audio Output
$ speaker-test -Dhdmi -c6
speaker-test 1.0.28
Playback device is hdmi
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 64 to 349504
Period size range from 32 to 174752
Using max buffer size 349504
Periods = 4
was set period_size = 174752
was set buffer_size = 349504
0 - Front Left
4 - Front Center
1 - Front Right
3 - Rear Right
2 - Rear Left
5 - LFE
Time per period = 21.868405
$ mplayer -ao alsa:device=hdmi -channels 6 Nums_5dot1_24_48000.wav
MPlayer SVN-r37224 (C) 2000-2014 MPlayer Team
210 audio & 441 video codecs
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing Nums_5dot1_24_48000.wav.
libavformat version 55.33.100 (internal)
Audio only file format detected.
Load subtitles in ./
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 48000 Hz, 6 ch, s24le, 6912.0 kbit/100.00% (ratio: 864000->864000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
[AO_ALSA] Format s24le is not supported by hardware, trying default.
AO: [alsa] 48000Hz 6ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A: 8.6 (08.5) of 9.0 (09.0) 0.3%
Exiting... (End of file)
Everything seemed well, all six channels played from the correct location on both tests, but I did realize that the device number of the card was 3, not 0. A lot of applications that aren't as configurable expect the default card/device to be set properly, and audio won't work in those applications without specifying that in ALSA's configuration. Knowing this, I set the following in my ~/.asoundrc:
pcm.!default {
type hw
card HDMI
device 3
ctl.!default {
type hw
card HDMI
device 3
This, however, ended up causing more problems. Oh, it made sound work on everything by default after that, but only for one application at a time! That surpised me, as I thought ALSA's big advantage over OSS is that it can multitask. Running the speaker-test the way I did earlier turned out fine, but when I tried playing that test file in mplayer, things got weird again. Here's the output from mplayer:
$ mplayer -ao alsa -channels 6 Nums_5dot1_24_48000.wav
MPlayer SVN-r37224 (C) 2000-2014 MPlayer Team
210 audio & 441 video codecs
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Playing Nums_5dot1_24_48000.wav.
libavformat version 55.33.100 (internal)
Audio only file format detected.
Load subtitles in ./
==========================================================================
Opening audio decoder: [pcm] Uncompressed PCM audio decoder
AUDIO: 48000 Hz, 6 ch, s24le, 6912.0 kbit/100.00% (ratio: 864000->864000)
Selected audio codec: [pcm] afm: pcm (Uncompressed PCM)
==========================================================================
[AO_ALSA] alsa-lib: pcm_hw.c:1557:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory
[AO_ALSA] Playback open error: No such file or directory
Failed to initialize audio driver 'alsa'
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video
Exiting... (End of file)
Why the hell is it looking for pcmC0D0p? It should be looking at pcmC0D3p. Did it not get the memo from ~/.asoundrc? Urgh.
I've also tried '-af channels=6' in place of '-channels 6' but the same result happened. It does the same thing without the '-ao alsa' option, I just specified it to trim down the output, so that I wouldn't be copying and pasting all kinds of other errors about not finding OSS or JACK or other things I don't have installed.
If I symlink /dev/snd/pcmC0D0p to /dev/snd/pcmC0D3p, it'll fix the problem, but that feels like one ugly kludge. I'd have to do it again over and over every time I reboot, too.
Not sure if this would help matters or not, but if anyone knows how to change my card's device number from 3 to 0, I'd like to try that as well, but I'm not sure how to do that sort of thing. I'm just guessing it might be worth trying, since everything looks for card0/device0 by default, and that kludge I tried earlier did have an effect, so maybe if we can just switch those device numbers with each other, everything would work smoothly without having to force anything through ALSA's configuration at all. I believe card0/device0 belongs to the Host Bridge... is there a way to have them trade their device numbers for one another's in a safe manner?
I can also get it to play if I specify the device like I did in my first test, using '-ao alsa:device=hdmi', but that defeats the purpose of getting good defaults set if I still have to set everything by hand before I play something. If I try playing the test file without any options, like so:
$ mplayer Nums_5dot1_24_48000.wav
... it will play, but only in two-channel stereo, and the parts that should happen in the center, rear and LFE channels get downmixed into the left and right channels.
I can get it to work in aplay, though! All six channels! Not that I plan on using this as my primary multimedia software.
$ aplay -c6 Nums_5dot1_24_48000.wav
The only solution I found so far that allows me to have 5.1 audio by default is to install the PulseAudio server, which is able to find a sink/source named 'alsa_output.pci-0000_00_03.0.hdmi-surround' and lets me choose that as my default. Only problem with this is that PulseAudio has its own problems.
Aside from the crackling sound issues in some Wine games, Pulse also has a much bigger drawback -- a complete lack of passthrough support, meaning I can't use encoded streams such as Dolby DTS and TrueHD with PulseAudio. I have a Harman/Kardon AVR and I'd like to get my money's worth out of it, so I'd really like to figure out a solution in ALSA without using Pulse at all.
Does anyone know how I can have my cake and eat it, too? I just need 5.1 surround, by default, in ALSA without PulseAudio.
HUGE thanks to anyone who tries to help here. This is really making me sad and frustrated, I've been using Arch for quite a while now and this is the first real big stumper I've come across that forced me to post a thread. Otherwise I've been having a wonderful time.
Edited because I tried something different that removed *some* issues, but the above problems still remain.
Last edited by Rybelda (2014-10-27 22:10:24)

Well, I thought I fixed it doing this...
pcm.!default {
type plug
slave.pcm "dmixer"
pcm.dmixer {
type dmix
ipc_key 1138
ipc_key_add_uid true
slave {
pcm "hw:0,3"
format S32_LE
channels 8
rate 192000
period_size 9600
buffer_size 38400
... but then realized it strangely makes applications that run at 640x480 have no sound at all. No idea why the video resolution is screwing up the sound, but that's what's happening, because if I set the resolution any higher, the sound comes back.
I'm going back to PulseAudio, I feel like ALSA is mocking me. I wrote a wrapper script for the few times where pure, Pulse-less ALSA will be necessary for me. Here it is, in case it helps anyone else. I've tested it with XBMC, it turns off Pulse and allows ALSA to pass through encoded streams unhindered. It also works with some Wine applications that have scratchy audio glitches in Pulse.
#!/bin/bash
echo "autospawn = no" > $HOME/.config/pulse/client.conf
pulseaudio --kill &> /dev/null
"$*"
rm -f $HOME/.config/pulse/client.conf
pulseaudio --start &> /dev/null
I'm removing the SOLVED tag because technically I didn't resolve any of my original issues, I more or less gave up on what I wanted to do and found another way to satisfy my needs, but it still isn't as elegant as I had hoped for. In any case, I'm done with this issue for now and the forseeable near-future, but if anyone has anything further to add, feel free.
Last edited by Rybelda (2014-10-27 22:32:55)

Why doesn't the MBPr support 2560x1440 over HDMI with OSX when Windows7 (bootcamp) supports it just fine?

I purchased a 2013 MBPr 15" (the first Mac I've ever owned btw) and so far have enjoyed the experience. I purchased a large 27" high resolution 2560x1440 non-Apple display which I planned on using HDMI output for, since HDMI has no problem supporting this resolution. After receiving this display yesterday I came to the sad realization that OSX does not support 2560x1440 over HDMI. However, under further investigation I found that Windows7 in Bootcamp on the same machine will beautifully display the full 2560x1440 over HDMI.
This means that OSX is the problem, and not the MBPr since Windows7 displayed the full resolution with no issue. If the hardware can support it, why would Apple disable it in the software? Is this just their way of forcing people to use DisplayPort? Or is there hope for them fixing this in future versions?

OK. No reason to be playing games here. Just surprised that this issue hasn't been brought up here on the community boards as well. Here's the simple solution
Steve
========================================
Re: Why can't my Belkin Thunderbolt Express Dock operate my desktop speakers?
Options
07-17-2014 07:09 PM
After reaching a Level III technician in Belkin customer support today and having spent approximately 4-5 person hours on this issue, we figured out that the Sound/Output preferences in the Apple System Preferences should not be set to "Internal Speakers" but rather set to "USB PnP Sound Device".
Worked like a charm. Simple, elegant solution to a real problem, one likely to be encountered by 90% of the people who buy a Belkin Thunderbid Express Dock off the shelves of any Apple Store to use with a current generation Apple laptop or desktop computer.
But the Level III Belkin technician admmtted that this critical little piece of simple, straightforward information should have been readily available to their Level 1 techies who began helping me 5 person hours ago. Would even have saved Balkin loads of customer service support time.
And so the saga ends
Belkin owes me for helping them learn this precious lesson.
Steve

Cannot display the screen of the macbook on TV. OS is Lion 10.7.2. Connection to the TV is over HDMI cable. TV shows only the backgroud picture of Lion. Do you have any suggestions for help ?

Cannot display the screen of my macbook on TV. OS is Lion 10.7.2. The Macbook is connected to the TV is over HDMI cable. TV shows only the backgroud picture of the Lion OS and reacts even to mission control. Do you have any suggestions for help ?

You have the display set in Extended Desktop mode. In System Preferences>Display on the MacBook screen there should be an Arrangement tab when you have the MacBook hooked up to the TV and both screens working. When you click the Arrangement tab do you see two monitors side by side? One of them will have a Menu Bar at the top. Just click on the Menu Bar and drag it to the second monitor. That will make the second monitor your main screen. You can now use your MacBook in Clamshell Mode with a wired or Bluetooth keyboard and mouse. http://support.apple.com/kb/HT3131 When you disconnect from the TV your Menu Bar will automatically change back to the MacBook.
Or if you want to work on the MacBook screen while showing it on a TV you can check the Mirror Display box on the lower left hand side of the Arrangement tab under the two monitors box.

No sound over hdmi, ION2 system

Hi there
I'm trying to get sound output over hdmi connection without any success. I'm totally out of ideas as I tried it with openelec.tv and a xbmc live system. All the time I never heard anything. I tested with speaker-test and mplayer. I tried stuff from the guide here: http://breden.org.uk/2010/09/30/shuttle … ta-2-live/, http://www.nvnews.net/vbulletin/showthread.php?t=157347 and also from xbmc wiki:
-different settings of asound.conf (however afaik this does not affect speaker-test -D plughw:X,Y -cN)
-options for the snd-hda-intel module
-unmuting
-different input channels of my receiver
-different nvidia driver versions
Here are my specs:
[card: (II) NVIDIA(0): NVIDIA GPU ION (GT218) at PCI:1:0:0 (GPU-0)
NVIDIA Driver Version: 260.19.29
kernel: 2.6.36-ARCH
alsa: 1.0.23
Onkyo TX-SR508 receiver using hdmi 1.4 cable
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: NVIDIA HDMI [NVIDIA HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: NVIDIA HDMI [NVIDIA HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: NVIDIA HDMI [NVIDIA HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
What I noticed is that dmesg does not show any hdmi hotplug event, something like: "HDMI hot plug event: Pin=5 Presence_Detect=1 ELD_Valid=0"
So I thought maybe you arch linux people have some creative ideas what the problem is here?
PS: It can't be the hardware because it works with windows7.

.:B:. wrote:Does audio over HDMI work when the nvidia module isn't loaded? The 1st gen AppleTV has that issue, but I cannot imagine nVidia's ION platforms suffering from the same problem on Linux...
No, does not work either... I need to help to figure out why the hotplugging and detecting of the receiver does not even work.

Sound over HDMI works halfway.[SOLVED]

//After looking around, HDMI only sends the signals to turn down the HDMI connected device. I guess it's as good as it gets...//
Using nVidia GT218 [ION] on Zotac Hd-id11.
NVIDIA Driver Version: 260.19.44
2.6.37-ARCH
//pianobar uses libao. My config, ~/.libao, looks like this and fixed pianobar over hdmi//
default_driver=alsa
dev=hw:1,3
Sound works over HDMI for most of my applications(Flash, Gnome player, Skype) but I have no volume leveler under alsamixer nor does pianobar output to HDMI unless I launch it twice. The error that allows pianobar to work over HDMI is
ao_alsa WARNING: Unable to open surround playback. Trying default device...
I'm wondering, is there something I'm missing?
//this will have 4 outputs if you don't use sound.conf instead of just one//
What alsamixer looks like on card 1
//if you don't use a sound.conf file(see next section) the defaults will probably be hw1,7)//
This plays "Front Center" over HDMI.
$ aplay -D plughw:1,3 /usr/share/sounds/alsa/Front_Center.wav
Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
$ cat /etc/asound.conf
pcm.!default {
type plug
slave.pcm {
type hw
card 1
device 3
//Turns out I didn't have to even make a sound.conf//
$ cat /etc/modprobe.d/sound.conf
options snd-hda-intel enable_msi=0 probe_mask=0xffff,0xfff2
//snd_hda_codec_realtek is the codec used to replace snd_hda_codec_nvhdmi, make sure it's loaded//
$ lsmod|grep '^snd' | column -t
snd_hda_codec_hdmi 20024 1
snd_hda_codec_realtek 224540 1
snd_seq_dummy 1119 0
snd_seq_oss 25232 0
snd_seq_midi_event 4568 1 snd_seq_oss
snd_seq 41912 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 33950 0
snd_mixer_oss 15366 1 snd_pcm_oss
snd_usb_audio 70888 0
snd_hda_intel 18988 3
snd_usbmidi_lib 15361 1 snd_usb_audio
snd_hda_codec 64796 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 4804 2 snd_usb_audio,snd_hda_codec
snd_pcm 59496 6 snd_hda_codec_hdmi,snd_pcm_oss,snd_usb_audio,snd_hda_intel,snd_hda_codec
snd_timer 15687 2 snd_seq,snd_pcm
snd_rawmidi 15512 1 snd_usbmidi_lib
snd_page_alloc 6021 2 snd_hda_intel,snd_pcm
snd_seq_device 4409 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd 43987 20 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_usb_audio,snd_hda_intel,snd_usbmidi_lib,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer,snd_rawmidi,snd_seq_device
$ ls -l /dev/snd
total 0
drwxr-xr-x 2 root root 80 Mar 13 10:22 by-path
crw-rw----+ 1 root audio 116, 8 Mar 13 10:22 controlC0
crw-rw----+ 1 root audio 116, 11 Mar 13 10:22 controlC1
crw-rw----+ 1 root audio 116, 7 Mar 13 10:22 hwC0D2
crw-rw----+ 1 root audio 116, 10 Mar 13 10:22 hwC1D1
crw-rw----+ 1 root audio 116, 6 Mar 13 10:22 pcmC0D0c
crw-rw----+ 1 root audio 116, 5 Mar 13 19:40 pcmC0D0p
crw-rw----+ 1 root audio 116, 4 Mar 13 10:22 pcmC0D1p
crw-rw----+ 1 root audio 116, 9 Mar 13 19:38 pcmC1D3p
crw-rw----+ 1 root audio 116, 3 Mar 13 10:22 seq
crw-rw----+ 1 root audio 116, 2 Mar 13 10:22 timer
Last edited by seca (2011-03-22 03:43:43)

I am also having this problem... I get this error when I play certain songs in pianobar:
ao_alsa WARNING: Unable to open surround playback. Trying default device...
I am not sure how to fix this

Qosmio G50 No sound over HDMI

*Qosmio G50 No sound over HDMI*
Hi all,
Hopefully anyone recognises the following and would be so kind to help me. I have searched the forum and tried severall of the offered solutions mainly applicable to Vista, but still.
I hooked up my Qosmio G50 to my Philips LCD by HDMI cable. Picture is ok but there is no sound. I tested the cable with a Toshiba Satelite Pro L550 and it works allright. Picture and Sound are working. But that laptop has Intel HDMI audio.
I'm running Windows 7 Home Premium 64 bit. I upgraded by Toshiba update DVD from Vista 64 bit. Sadly I do not know for sure if HDMI audio did work before that. I think so because I did use the laptop for watching a movie on a Panasonic plasma. But I can not remember if that was before or after the upgrade.
Realtek HD Audio device is installed driver version 6.0.1.5923
Realtek HDMI Output is selected als default playback device.
Testing gives me graphical response ( the indicator flashes ) but no audible sound from my tv.
Choosing the other audio device Realtek Digital output changes nothing and I do not believe that this would work anyway.
I have tried removing the device and reinstalling the original drivers. I have tried REaltek drivers from their website.
I have tried changing the view to HDMI only but that does nog change anything either.
One thing that worries me is that under Sound / Realtek HDMI Output / properties / Supported Formats there are no formats present. The Satelite gives me DTS audio and some other. So I am wondering if there should be formats present and if so how can I change this / add any.
Please forgive me if there are errors in the text. I am translating this from a dutch language version of Windows 7.
Please help me. Any suggestions are welcome!

Jeka-?? & PinkPanther thanks for your replies!
The solution for the G30 you mention is not the one for me I am sorry to say. I have tried that one allready. Windows automatically switches on the HDMI audio out when I connect an HDMI cable. Connecting the cable before switching on the TV and laptop is a good thing to try because it eliminates possible problems with the connection. The connection in my case is ok.
At some point I concluded that there must be a softwareproblem of some sort.
I have found the solution over night. Could not sleep anyway. I did not know that the videodrivers are also handling HDMI audio out but in a way it makes sense. I have completely deinstalled the NVIDIA video drivers. After downloading the latest drivers and installing them everything works absolutely fine!

Force RGB over HDMI connection??!! (Dell U2414H)

Since Apple's support refuses to help me, nor do they seem to grasp incredibly basic technical information regarding monitors, I'm turning to you, dear forum.
I just bought two brand brand and professional calibrated Dell U2414H monitors to use with my Mac mini workstation in an extended desktop environment. ...even though Apple themselves erroneously told me I'd be able to daisy chain these monitors over the Thunderbolt connection using MiniDisplay Port 1.2 MST... (they were wrong, their GPU doesn't support DP 1.2)... So, I resorted to plugging the second monitor into the available HDMI port.
Problem: The Mac OS will not send the right color space (RGB) over HDMI. It sees the monitor as a TV for some reason, and will only send YPbPr... Therefore, my monitors that I paid extra to have calibrated perfectly, do not match.
I ran this script: http://embdev.net/topic/284710#3027030
but it didn't change anything. I'm searching for new solutions now...
Can anyone help?

Here... I solved it:
Dell U2414H Monitor - RGB COLOR ISSUE [SOLVED!] - The EASY way!

Envy M6 (c2l95ua#ABL) - Windows 8 - Turn on second display (TV over HDMI) as computer wakes

I want my TV (used as a second display over HDMI) to turn on automatically as the laptop turns on or resumes from sleep/hibernation. (As does a monitor on a desktop PC or the built-in screen on a laptop)
CEC (Consumer Electronics Control) is supposed to allow to turn on TV over HDMI.
The television is CEC compatible and has CEC option turned on. Theres also an option called "Allow CEC compatible devices to turn on television", which is turned on.
Can this laptop turn on a TV through HDMI, with or without CEC?
How?
Thanks a lot.

Thanks for the reply.
Is the T.V. entering standby or powering off after a certain amount of time?
The TV is in what the manufacturer calls standby-mode.
http://www.insigniaproducts.com/products/televisions/NS-39E340A13.html
What model is the T.V.?
http://www.insigniaproducts.com/products/televisions/NS-39E340A13.html
TheT.V. should wake from standby upon receiving a signal from the notebook.
I agree. It should.
To the best of my knowledge, the notebook will not turn the T.V. on from a powered off state. At least, I haven't found any indication that this model will.
Anyone else has a solution? There could be a way to turn it on from off state if HDMI CEC is implemented by HP.
Or another way..?

Connecting 2560x1440 screen to a U410 over HDMI

Hi, Im a new owner of U410 IdeaPad.
I bought this machine with the intention to hook it up to a WQHD (2560x1440) screen.
The screen I intend to get has no limitation on being fed over HDMI with this resolution (supports 1.4 HDMI).
What I have found out is that I might have a problem with the machine not supporting this resolution over HDMI.
My question is whether U410 with its dedicated Nvidia 610M (in addition to HD4000) sitting on Intels HM77 chipset will allow me to output WQHD resolution over the HDMI, or at least wether this HDMI connection is of 1.4 version.
Thank you very much.

Thanks for the reply
can you reference me to the source/s which confirm the 1.4 support (I'm a bit uptight about it since I am going to order the screen online without the option to return so I don't want to find myself owning a 27" HD-TV instead of a WQHD screen).
There is apparently an issue with HDMI and above 1080 resolutions, a few manufacturers (of both chipsets and monitors) made a bad assumption that HDMI = 1080p for the home user even though the interface can support more then that but they capped it at 1080.
For example
http://communities.intel.com/thread/30360
http://forum.notebookreview.com/hardware-components-aftermarket-upgrades/633598-dell-u2711-hdmi-2560...
- with wifi I had no problem what so ever (used both at home and in public). its manufacture date 06/06/12

Dolby Digital over HDMI failure

I am connected to my Onkyo AV receiver through HDMI and when I first turn my receiver on it displays Dolby Digital but as soon as I start netflix DD goes away. I have tried setting DD "on" and "auto" in apple tv settings. Anyone having any luck with DD?

Ok... I found out that the dolby digital over HDMI issue is no fault of AppleTV. Most content from Netflix is not broadcast in Dolby. A good movie that is in DD is "The Warriors Way". You'll even see the Dolby icon at the main movie menu.

Dell 2408WFP at mac mini over hdmi

I have an new mac mini server, where I try to connect an Dell 2408WFP to over hdmi.
Besides the problems with shadows around the letters in written text and menus, which I solved by setting the resolution to 1600x1000, I have a big color problem, which I can't solve by any calabrating procedure. Green and blue colors are dominating, and all brown to red colors are reduced or missing. For example the Icon of the addressbook appears not in this standard beige color but in green. As you can imagine, this is the absolute kill for any work on images. Since the Dell monitor is a good standard one, which I never had any problems with before, there must be a problem with hdmi ore even worse with the graphics of the mac mini.
Has anybody similar experiences and found a solution. I bought the hdmi cable expecting to have the best connection possible then, and to have only one cable between the mac mini and the monitor. Are there any limitations in the hdmi-standard concerning resolution and color management? I didn't test any dvi cable yet, since I am still hoping to find a solution for this problem.

I have exactly the same issues as you, ie the lack of clear / sharp text and the colour management problem. Did you get anywhere with this?
I was using this Dell display with Windows 7 and had none of these problems. I calibrated the display using a semi-professional calibration utility (i1Profiler / Eye-one Match) and the results under Windows were great. But with the Mac Mini I find that many colours lack saturation. Yellows are very faint, and reds look more like a brown-orange. I tried replacing the HDMI cable with a DVI cable and the Mac HDMI -> DVI converter but I don't see any improvement.
Interestingly I find that the text looks best at the monitor's native resolution, ie 1920 x 1200 but it's still nowhere as crisp as text is under Windows.
For me the colour management issue is the biggest problem. I do lots of underwater photography and I just wouldn't dare work on any of my photos with the display as it is.
The profile I find works the best is sRGB IEC61966-2.1 but it's way off being natural / correct.
I specifically bought the Dell display as it has variable height and fits neatly in the corner off my office where the height is limited, I don't have room for a 27" thunderbolt display even if I could find the funds (~$1600 in the UK!)
I'm running 10.7.2 (Lion) in case it makes a difference.

720p over HDMI - black bar issues

Hi all.
I've got a 1st gen V-box, which worked great until about 9 months ago. I had been happily using 720p over HDMI for about a year. However, I suspect a software "update" around this time caused problems, as the 720p and 1080i settings are now incredibly unreliable.
Specifically, when I set the box to show HD resolutions, there are usually black bars down the left and right of the screen, cutting off those sides of the picture. Sometimes the picture displays properly, but this is usually only temporary - after a day or two of thinking everything's sorted, the dreaded black bars reappear when starting the box up for the first time that day. Rebooting doesn't seem to help. The bars even overlay the menus, so it seems to be affecting everything not just live tv. The full picture is shown when I use standard def over HDMI however.
Has anyone else experienced this and if so any ideas how to fix?

Hello
On most platforms, I've experienced black bars at the sides, noteably lower bandwidth channels such as kids or shopping often display what you describe when using any HDMI setting in my experience.
Thre is the ability to hit the shortcuts button on the bottom right of the remote which allows you to scroll through to then stretch the image if you wish- but It doesn't always work, I'll stress again this also happens on my FREESAT box, so I don't think it's an issue generic to Vision.
Couple of questions though,
1: Is it a Toshiba tv? (some firmware upgrades to these sets have caused numerous issues and lip synching problems.
2: have you tried a different HDMI cable? (apologies if that's blatantly obvious!)
I've not tested V.1.5 black box yet to see how this issue is there (note I don't call it a V2 box- as it's **bleep**).
Hopefully, if the rumours are true the development team will scrutinise the forums, realise these issues do indeed exist and can work towards a solution in the Freeview HD offering of whatever comes out next:
My moneys on V1.75 in neon pink with no scart (I know...I'm evil)..

Force RGB Color Space over HDMI?

Does anyone know how to force RGB over HDMI on a Macbook Pro with Retina Display. This is driving me nuts, as I have two U2410's. One is connected via DVI (using the DVI thunerbolt adapter), whilst the other is connected via HDMI. The monitor connected via HDMI negotiates the YpBPr color space, whilst the DVI monitor uses RGB. This makes it impossible to get the two monitors to produce the same colour. I can set the monitor to RGB within the OSD, but that just produces a mismatch of green and purple colours - in other words, the signal coming from the mac is still YpBPr so obviously setting the monitor to RGB ruins the colours completely.
There must be some driver setting or something to force HDMI to output RGB instead of YpBPr. Through Googling, it seems this applies to pretty much any Mac with a HDMI port, hence it's got to be a software issue, that's why I chose this forum. I'm about to duck home (I'm at work) and grab one of my HDMI -> DVI cables to see if that provides a work-around.
What happened to Mac's being a professional device. Surely they can't claim superior colour management if something as fundamental as the monitor's color space can't be controlled.

I have given up trying to use a Mac with a Dell or Samsung or Viewsonic monitor. Just ordered and received a StarTech.com DP to miniDP cable and was disappointed to see only YpbPR being output to my 22" Dell monitor. This is on top of the general fuziness and inaccurate colors. I've tried all sorts of other cables and adapters, both Apple and 3rd party, and the plain sad fact is that none of them work properly.
I plug in an old Cinema Display or a new Apple LED display and it works perfectly, colors look great, type isn't fuzzy.
I boot into Windows 7 on the same Mac using Bootcamp and my Dell monitor works perfectly.
It's OSX's display drivers that just don't play nice with Dell or Samsung or Viewsonic monitors. There's no other explanation because every other combination has problems with OSX and non-Apple monitors.
I can get into the long description of every possible adapter and cable I've tried (as well as the terminal command to adjust font smoothing). If I want the type to look right and the colors to look right, I just have to use an Apple monitor, which is aggravating as I have plenty of larger monitors here at work that I'd rather use.
Brief summary:
Three different MBPs, one a Retina display. Four different monitors from 3 different manufacturers, each with various connection options (HDMI, VGA, DVI, DP). DP to miniDP cable, DVI cable with Apple DVI to mDP adapter, HDMI to DVI with mDP adapter, couple of other similiar combinations of cables and adapters.
Bottom line is that all the screwing around produces a low quality, poor color accurate picture when the MBPs connect to 3rd party monitors. Plugging in the MBP to an Apple monitor (as old as a 2006 era Cinema Display) using any combination of adapter or cable looks great. Plugging in Windows 7 machines, either a dedicated Dell laptop or the MBPs in Bootcamp mode, all monitors look great. Also note that in OSX, the signal recevied by the monitors is YpbPr, but the same laptop in Bootcamp Windows 7 outputs RGB.
Hence, my guess that OSX display drivers are wonky except when plugged into an Apple branded monitor.

Macmini 2010 sound problem over hdmi

Hi, my name is Diego im from Argentina, well i have a problem with my macmini 2010 unibody, i have set up the mini over hdmi in to my receiver ( yamaha 663 ) and hdmi out to my LCDTV, i set up in sound properties HDMI output ok all is fine but if i am listening music in itunes and turn off the tv the signal is off to receiver and the music sounds in the built in speaker of the mac mini, any idea to disable this speakers o built sound card ? i want to passtrough over hdmi with the TV off, thanks to all best regards, Diego.-

I still get daleks too from time to time if I try to use 1080i with Dolby Digital into a Sony Bravia.
The BT Vision box HDMI is known to be flaky, though it sounds like you've got an extreme example of the problem with the Tosh.
It's possible to improve things a bit by using an HDMI extender to recondition the signal before it enters the TV. It might be worth a try. Try http://www.hdcable.co.uk/

5.1 Suround over HDMI in 10.8.2 and in bootcamp

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