Variable audio volume

The audio volume from my Mac Mini varies randomly. I have tried using the analog audio out and now using an HDMI display with audio out of the display to a soundbar. I've tried regular computer speakers and the sound bar. I've tried the analog audio out and the audio from my HDMI display. It even varies when I use the internal speaker. It happens with iTunes and with Pandora through Safari. Is this an OS issue or is it my mini? I did take it apart to add a second drive.
Mac Mini mid 2011
8 gb ram
Startup disk is a Mercury Extreme 6G SSD using an OWC data doubler,
Second internal disk is a Toshiba hybrid disk
OS 10.9.4 on the SSD
Thanks for your help.

How are the levels changing...? Are they changing when you switch between App's like iTunes and Safari or are they changing while your listening in the same App...?
Please note that System Sound Effects, Date & Time Announcements and iTunes all have build in volume sliders that may need to be adjusted down to match the output level of video or music streaming in other App's like Safari.
For example; I use a Creative Speaker System and here are my settings that pretty much balance out all of the different volume outputs.
System Sound Effects is set a just above half.
Date and Time Announcement is set slightly more than half.
iTunes is set at about three quarters.
Then to control the overall output volume I use either the main output volume slider on the menu bar or the Creative Speaker System remote. Most of the time I just use the handy Creative Remote sitting next to my mouse and leave the main output volume slider at about two thirds.

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No variable audio output for Cisco CHS 435HDC set top box.

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My new TV & home theater system was recently installed. We don't use the TV speakers. While my first preference was to program the Verizon remote to change the volume on my Onkyo receiver, this did not appear to be an option on the remote's programming instruction page on the Verizon website. Instead, I am directed to change a setting on the remote that makes the Verizon remote change the stb output volume vs the tv volume. I changed the setting on the remote and ensured the stb box was set up for "variabe" audio output.
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soups230 wrote:
Having same issues with hdmi and optical. Any fix to this.
Hello,
In order to control the volume on your home theater system, you'll need a FiOS TV Universal Remote that has the 4-buttons on the top for 'DVD', 'Aux'iliary, 'TV' and 'STB'. The audio receiver would have to be programmed into the FIOS TV Remote, and controlled using the 'Aux'iliary button.
Verizon's 4-Button Universal Remote Controls are available for purchase:
a) online via www.verizon.com/fiosaccessories
OR
b) at a local FiOS TV store (call first to check if they have them in stock). For a list of stores: http://www22.verizon.com/support/residential/tv/fiostv/general+support/account+issues/questionsone/8...
Presently, the default remotes for new set top boxes are the 2-button P-265 (newer version) remotes.
Regarding a problem with HDMI/optical on Cisco 435 STBs, check out the following:
Go to this webpage: http://www22.verizon.com/Support/Residential/TV/FiOSTV/Receivers/Equipment+Issues/QuestionsOne/12839...
Click on the link for 'Cisco CHS 435 HD DVR User Guide'.
Open the PDF and go to page 22 for 'Connecting to a Home Theater System...'.
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I had the same problem, but I think I've found a cure.
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SyXbiT wrote:
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I have come across this problem but I’m not sure I have a solution, perhaps only a work-around.
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David Ceddia wrote:
Is there anyone out there who used to own a black MacBook and now owns an Aluminum 13" MacBook?
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The max OS for a PowerPC processor Mac is Leopard OS 10.5.x. All higher OSs require a Mac with an Intel processor.
Here's the instructions if you have the discs.
Mac OS X: Changing or resetting an account password
http://support.apple.com/kb/HT1274?viewlocale=en_US
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http://docs.info.apple.com/article.html?path=Mac/10.4/en/mh655.html
Here's one method to reset the password without the install disc:
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 Cheers, Tom

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I'm suffering from continual Determining Audio Volume. I figured if I left it running all night, Iit would complete. But it's only at 1,049 of 49,000+ files. At this rate, it would take months to complete! this is insane.
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I had the same problem, but I think I've found a cure.
Even though Sound Check was disabled in preferences, iTunes would insist on Determining Audio Volume everytime it was launched. But there is also a 'Sound Check' preference in the Burn CD dialogue.
To turn it off you need to select a playlist, hit the Burn Disc button (bottom left) select Audio CD as the disc format and un-check 'Use Sound check'
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I'm not sure where to post this question, but here goes. Is it possible to reset the audio on my mac so that the sound volume of video clips and movies is raised? I regularly encounter video with audio volume that is too low, even though I have the volume level in System Preferences set to the maximum. I find the problem in DVDs, QT, and YouTube, etc.
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Might be corrupted sound preferences ...
Open the Finder. From the Finder menu bar click Go > Go to Folder
Type or copy paste the following;
/Library/Preferences/Audio
Click Go then move both .plist files from the Audio folder to the Trash.
com.apple.audioDeviceSettings.pllist
com.apple.audio.SystemSettings.plist
Restart your Mac. See if that made a difference ...

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A lot of times I find the audio volume on the MBA to be too low. It's fine when I'm using earphones, but sometimes I don't want to do that, and I find it hard to hear things sometimes. Maybe I'm just old and I've heard too much loud music, but has anyone used any 3rd party software that helps with this situation, or found another solution? Yes, I have the setting up as high as it will go.

Hi Kenshane,
The MacBook Air uses a single, mono speaker on the right hand side of the keyboard (Shift key) area. As a result, the sound coming out of the unit is going to be pretty low. An external speaker kit, especially if you intend to use the unit for multimedia is recommended.

Variable audio volume

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