HDMI sound not working after Mac OS X Lion v10.7 update

[Sach_A_Ton]

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Since I applied the latest update, I'm not able to change my headphone audio output to HDMI. I can switch between the two daily close. I had not previously encountered this problem with any 10.6 or 2 shots of Leon. I have a Panasonic TV. Each time you click to change the headphone output to HDMI from the top icon bar or sound by sound settings / returning back to the headphones...

[Aniela]

Just do a little troubleshooting. If you disconnect the minijack to the headphone jack the sound starts playing on the TV via HDMI after OSX line eliminates the option to display the internal speaker. As soon as the minijack plug back into line, the audio stops panel TV and sound software automatically jump back to the line output. They are still unable to switch to HDMI via software, while it is physically plugged in. minijack repeated several times. You can only switch to HDMI audio output, while the minijack plug is physically removed from the headphone jack on my 2010 MacMini. While this provides a temporary solution, which is quite annoying.

[BethanyI]

I can confirm that the same behavior, yet I am able to route the audio to the HDMI interface using an application that allows you to specify the destination for audio (speaker airfoil).

[Addison]

I tried to play with the MIDO settings but nothing works. When I try to select the Samsung TV (HDMI) output that does not come back to the headphones. This happened after the 10.7.2 update and it was working fine before. This happens for all audio; no way to select the HDMI output any longer, simply return to the headset.

[ZAHAR]

Space hit cmd, type of audio midi hit enter, and then try to see if the change all settings will work. is the subject happens all the time or after playing a video with digital output?

[jaykant]

Is there anything connected to the headphone / audio out port? The behavior I'm seeing is that if something is plugged to the headphone port / audio output, HDMI is impossible to select System Preferences -> Audio, however applications that is capable of selecting a destination is capable of sending audio HDMI audio. If there is anything that is connected to the headphone / audio out port, unplug it and let us know if HDMI becomes then select? This information could help Apple locate the problem in a timelier manner.

[Agavoli]

I have not had success in getting the default route audio through the HDMI port Audio MIDI utility. The behavior is not changed before or after the release of QuickTime or XMBC to play media files. Unfortunately, it has no optical drive on hand to verify the behavior when using the digital output.

[Wyl]

If above all solution not working to solve the issue and after that I would like to suggest you to make contact with the support of the manufacturer and after that go through your issue and they will solve your issue.