Macbook sound skip through hdmi

Recently I have been connecting my late 2011 15" to my pioneer plasma tv using a Belkin thunder/hdmi adapter and hdmi cable.
Occasionally I take the set up to a friend’s house where there is a vizio, for some reason at home it plays music and movies perfectly. But when over my friend’s house the music and movies skip.
Do I need to upgrade my audio and visual cards?
Do I just need more ram?
The way is skips is almost as though its having trouble processing.
I’m pretty disappointed in either case, I just dropped almost 2 k in this thing and I cant get through a song with out a skip every 25 seconds or watch a movie that I just downloaded without it skipping every other scene.
Please help.

did you get an answer for this? i just bought a PS4 and im having the same problem

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Having problems choosing sound output through HDMI to my television, any one any ideas?

Though listed in the sounds options, I can't seem to choose a sound output to my TV through HDMI. I have sound output to headphones via the headphone socket or usb, but when I highlight to the HDMI TV option it justs returns to the top of the list, any ideas anyone?

About alsa dmix, and for the record:
On an Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, the following are my finding about
quality/cpu when mixing two streams at 44khz:
a snippet from my .asoundrc
#converter "samplerate_best" # perfect: 16%cpu, maybe overkill
#converter "samplerate_medium" # almost perfect: 6%cpu
#converter "samplerate" # good: 4%cpu, definitely usable
#converter "samplerate_linear" # bad: 2%cpu, way better than default wine resampler
#converter "samplerate_order" # very bad: 2%cpu, like the default wine resampler
Here is the reference topic: https://bbs.archlinux.org/viewtopic.php?pid=942724
I may be wrong, but in an opensource world (code reusing), i really doubt pulseaudio could lead to better quality/cpuuse tradeoff.
Pulseaudio, being just another layer atop of alsa, could only lead to higher cpu usage.
Last edited by kokoko3k (2013-11-11 15:33:41)

Linux 3.2 sound plays through HDMI and laptop speakers simultaneously

As topic says, laptop speakers is not muted when activating sound through HDMI. Downgrading to 3.1 solves the problem. The laptop is an Asus UL30a.
Last edited by KlavKalashj (2012-01-20 08:52:49)

natestar13 wrote:
Are you using Alsa or PulseAudio to configure your audio settings? The Arch Wiki has extensive tips for both. You might need to set a default audio output
https://wiki.archlinux.org/index.php/Ad … chitecture
https://wiki.archlinux.org/index.php/Pulseaudio
I am using Pulse Audio (and KDE). It's all correctly setup, it has been working for several months and it works if I downgrade kernel to 3.1, so it's a regression with the new kernel. Also, if any mods are reading this, maybe thread should be moved since 3.2 is out of testing.
Edit: It's quite weird. If I go to KDE sound settings and change them around a couple of times, after a while it works like it should. There is no consistency in this and I have no idea how to troubleshoot
Edit2: Could this be related? I know it's for Nvidia cards, but in the first comment he mentions hda_intel.chttps://bugzilla.kernel.org/show_bug.cgi?id=42567 I should probably have mentioned in the first post that my laptop is all Intel:
oscar@arch-laptop: [~] >>> lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
Last edited by KlavKalashj (2012-01-20 18:35:26)

Can I connect imac to HDMI and also Surround sound also through HDMI using the thunderbolt sockets via an adaptor into a HDMI?

I want to be able to connect my imac to my TV and Surround Sound, from what I have read the best want of doing this is both via HDMI. Before I go out and buy another adaptor for a second thunderbolt to HDMI I was wondering if this would work? I basically I want to be able to stream videos from Imac to TV with sound coming through surround sound and also when I am on itunes have the music come through the surround sound. At the moment I have an adaptor (thunderbolt to HDMI) which goes into the TV and a optical cable from TV into the surround sound, then I also have a 3.5mm from the imac to the Surround sound, but I find this lacks in quailty. Would upgrading to a HDMI work and be better ? Should I also look into an optical cable though I dont see how to connect this to the imac?

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Use the Sony like an HDMI input selector for the TV (plugging in your other HDMI devices, if any, to it). Use the HDMI input on it from the iMac for both movie & iTunes sound output, & for TV output for video. (You can even use the TV as a second screen for the iMac.)
If for some reason you want a separate input for the iMac's sound output, you can use the optical input on the Sony for that, with a TOSLINK cable connection to the iMac. You will need either a Mini-TOSLINK adaptor or a TOSLINK to mini-TOSLINK cable to connect to the audio output of the iMac.

Philips FTV HD and 15" MacBook Pro 2011 through HDMI.

Hello there,
I would like to connect my MacBook to my HD TV through HDMI but it doesn't seem to work as magically easy as most things Apple-related.
When plugging in the HDMI cable through the DisplayPort > HDMI adapter my MacBook screen goes blue for a moment, and recognizes the TV.
The TV screen then get the signal, but says 'Incompatible video signal'. I've used this screen for many years with my Windows laptop and video camera and had no problems using HDMI. For the record, I've also tried using VGA but I get the same result. Only when setting the display resolution all the way back to 640x480 (59.9Hz) the screen recognizes the signal. Note that 640x480 seems to be the only resolution that sends its signal at a refresh rate of 59.9Hz, which seems to be the key to getting my television to work.
Thanks in advance for helping,

Maybe that frequency is the only one supported by your HDTV?
A similar problem happened to me, but I fixed it by plugging the adaptor into the TV in a different order. ie, try plugging it into your TV, and then your MacBook, or the opposite.
Sorry I can't help much,
NWB1

My Macbook Pro wont play sound through Mini DisplayPort to HDMI adapter on toshiba television anymore. The sound plays through sony or samsung television, but not toshiba television.

I have a Macbook Pro early 2011 running on mountain lion version 10.8.2. A while back, i purchased a mini display port thru HDMI port so i could watch dvds on my toshiba television. it all worked great for a while, then the sound just stopped working. At first, I thought the mini display port connector must have broke, until I plugged it into a sony television and it worked. I also tried using it through a samsung television and it worked just fine. Why does it not work through the toshiba television anymore? The picture works fine, but the sound does not come thru the television anymore. My mac is set to play sound thru the HDMI port and it doesnt. When i switch it to built in internal speakers, the sound comes thru my mac, but when i switch it, no sound comes out. Any help would be greatly appriciated. Thank you!

I am still waiting to receive a response from them, but i dont think they'll be much help. the television still works fine and all of the ports on the back, including both HDMI ports, work perfectly.

How can I play music on my macbook pro (OSX Lion) through a Pioneer receiver. I've connected them with a mini display port to HDMI cable with audio support bought at the Apple Store, but there's no sound coming through. thanks

How can I play music on my macbook pro (OSX Lion) through a Pioneer receiver? I've connected them with a mini display port to HDMI cable with audio support bought at the Apple Store, but there's no sound coming through. There are 4 HDMI-in ports on the receiver - BD, DVD, DVR/BDR and audio. In my system preferences for sound, the receiver doesn't show up as an output option. Can anyone please advise. (ps, this is my first time posting a question, so I hope I can find your answers!) thanks, JP downunder

For sound, try the audio output port and connecting to the RCA audio input ports on your Pioneer receiver. Use something like this:
http://eshop.macsales.com/item/OWC/PODCONNECTOR/
Ciao.

No sound through hdmi - macbook pro

I can connect my tv to my macbook pro through a HDMI cable and the picture shows up perfectly. However, the sound goes through my laptop speakers and not through the tv. When I go into Preferences --> sound --> output, there is not option to select for the hdmi, just the internal speakers. How can I get the sound to go through the tv instead?

no, it is not, but after searching these boards even more i discovered this gem, and now all is good, except that u have to change the audio each time......i think......so i mite get an audio cable to make it easier for my hon to hook up........here is the gem
SlugBlanket UK
Re: No sound over Mini DisplayPort to HDMI Adapter Sep 12, 2011 1:09 AM (in response to yvonnelouise1)
DisplayPort to HDMI Sound is actually set up by using the MIDI setup utility found in :
Applications > Utilities > Audio MIDI Setup.
If you purchased an iWires cable direct from Apple the instructions are in the printed booklet that comes in the packaging. Most people don't read this as it's normally the case that when you plug a cable in to anything it just works (VCR, TiVo, Xbox, video camera etc). In this instance Apple are failing to live up to their catch-phrase as final setup is NOT intuitive; "it just DOESN'T work".
The booklet instructions basically say do the following,
Video
System Preferences > Displays. There are 3 tabs in the window; Displays, Arrangement and Color. Be sure you are on the Displays tab. Bottom left of the window tick "Show displays in menu bar" and then bottom right click "Detect Displays".
Now click on the tab named Arrangement. Bottom left of the window tick "Mirror Displays".
You should now only see 2 tabs, Display and Color. Be sure you are on the Displays tab. Select the desired resolution for your TV (probably 1080i). leave all other settings at their default values.
Sound
System Preferences > Sound. There are 3 tabs in the window; Sound Effects, Output and Input. Be sure you are on the Sound Effects tab. Middle of the window select your TV where it says "Play sound effects through:".
Select the middle tab named Output.
Select your TV from the drop-down list next to HDMI, below where it says "Select a device for sound output".
Using either Finder or Launchpad go to Applications > Utilities > Audio MIDI Setup.
On the left-hand side of the window you should now see HDMI. In the middle of the window, on the Output tab, where it says "Source:" select your TV from the drop-down list.
This last action below is NOT described in the iWires notes but was required in my case, it may also be required in yours. If you CANNOT see a speaker icon next to HDMI in the list on the left, do the following:
Bottom left of the window select the wheel icon with the down-pointing triangle. Make sure that sound output is selected and that you can now see a speaker icon next to HDMI in the list of devices.
If you still cannot hear sound, log out of your account and then log back in.
You will now have sound coming out of your TV from your computer
You may have to do some or all of the above to get sound out of your TV from your computer using the DisplayPort to HDMI cable. On my Aug 2011 MacbookPro I had to do ALL of the above. If you take your laptop to a different TV you will have to do it all again so be warned.
Hope this helps. "
k

Sound through HDMI

I how do I run my sound through hdmi for OS X?
By windows but usually works on OS X does not work.
My macbook is A1278 and my monitor is LG 23EA53.
Please help me.

Hi EdDySK,
Thanks for visiting Apple Support Communities.
See this article for the steps to output video and audio using the Thunderbolt port, Mini DisplayPort, or HDMI port on your Mac:
OS X Mavericks: Use a television as a display
http://support.apple.com/kb/PH13801
Cheers,
Jeremy

Sound through HDMI does not work on eeebox eb1501p

So, as the topic states I can't get sound to work through HDMI.
aplay -l says:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
When trying to play a wav file:
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
No errors, but no sound either, and this is true on all nvidia devices listed in aplay -l.
So what do I do next?
EDIT: The channels are all unmuted in alsamixer.
Last edited by jarrett (2011-12-17 23:20:26)

On my laptop, I have to add "options snd-hda-intel probe_mask=0xffff,0xff2" to a modprobe.d conf file. You can try that.
sudo su
echo "options snd-hda-intel probe_mask=0xffff,0xff2" >> /etc/modprobe.d/sound.conf
exit
After that, restart and hopefully it will work.
Last edited by vbim0nk (2011-12-17 14:52:20)

How do I connect my mid-2009 Macbook pro to my HDMI television and get sound?

How do I connect my mid-2009 Macbook pro to my HDMI television and get sound?

Use a mini-Displayport-to-HDMI adapter and a standard HDMI cable to connect the computer to the proper HDMI port on your computer — the one that is paired with the separate RCA audio inputs (see the TV's manual for this information). And connect the headphone port on your MBP to those inputs with a cable that has a 1/8' stereo headphone plug on one end and two RCA plugs on the other. You'll also need to select the proper HDMI input in the TV's menu system, and you may have to select the headphone port as the audio output in the Sound pane of System Prefs on the Mac (or it may be selected automatically).

TS2090 there is no audio when I connect my macbook to the sony tv through hdmi

I am trying to connect my macbook pro to my sony tv through hdmi cable, but I can only see the video but there is no audio on the tv. Please help?

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Ok so I happened to figure it out while on the phone to apple support. Even though the guy was very nice, I think I knew more than him! He was explaining very basic resolution principles I played about. I had the second option in displays resolution. All I did was unplug the HDMI cable, click on 'best for display' then plugged the HDMI in and my resolution on the normal monitor changed to the normal blue, then went black momentarily and then changed to a strange resolution but another window appeared that said SONY BRAVIA HDMI at the top! Hey presto! Don't know why it didn't do it yesterday - I probably left the HDMI cable in or something! Oh well. Problem solved!

No sound through HDMI alternative solution

If you are not able to get sound through your TV through HDMI and have tried all the System Preferences/Audio MIDI steps detailed on here in other threads but nothing works, try just shutting down all running apps.
I had to Force Quit Spotify, Viber, Skype - when I shut down iTunes, the sound from Firefox started coming through the TV. I have since been able to reopen Spotify and play it through the TV too.
I'm not sure why these apps would interfere with the HDMI sound transmission, perhaps more technically inclined people can answer this but it turned out to be a straightforward solution that I didn't find on here (although maybe I just didn't look hard enough!).

Is it an occasional problem or is it that you have never had the hdmi audio output working with windows 7 Ultimate? If it has never worked, is hdmi even listed under playback devices when you right-click the speaker icon in the notification area and click playback devices?

I have a iPad and I connect it to my tv through hdmi but would like the sound to come out through the headphone socket, can I make this happen

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Macbook sound skip through hdmi

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