Fred,

An update on the problem.

Went back to 5.0.26 and the audio is now getting into the VM. Apparently 5.1.4 
even though some sound problems have been fixed, some still remain. 

On the Mac, 10.11.6 Host, it appears as if the pass through is only what ever 
audio input the Mac is using. The Guest can’t distinguish between Microphone 
and Line-in. I have to switch the input in the Host Audio settings to what ever 
input I want to use. Maybe this the way it has to be, but I had just never 
noticed it before.

Is there a “changes list” for the test builds? Since I know 5.1.4 is broken for 
sound input unless someone has fixed more sound stuff there isn’t much point in 
installing it.

Thanks.

Cliff

> On Aug 27, 2016, at 7:35 PM, Fernando Cassia <[email protected]> wrote:
> 
> 
> On Sat, Aug 27, 2016 at 7:33 PM, Gregory Nowak <[email protected] 
> <mailto:[email protected]>> wrote:
> Use a usb mic/sound card, and pass it through to the guest. Recording
> audio on the guest using the host's sound card is not implemented in
> vbox.
> 
> Greg
> 
> Gregory, 
> 
> This is the first time I hear about this. I'm not sure this is correct. But f 
> course I could be wrong, as I have never used VBox on Mac hosts.
> 
> According to ticket#8573 <https://www.virtualbox.org/ticket/8573> a user 
> reported he got recording working by following this procedure:
> 
> (1) goto your guest os's master volume, set the properties to show all the 
> volume controls for playback.
> (2) Shall see few items (line-in,..) are muted.
> (3) "Unmute" and "turn up the volume" them all.
> (4) Goto Control Panel, test your sound recording. It shall work now.
> (5) Go back to the master volume, mute an "unmuted" item, go back to step 4 
> for testing; test the items one by one until you find the item(s) that you 
> cannot mute. 
> 
> In fact the release notes of 5.0.26 show
> ***Audio***: imlemented dynamic re-attaching of _input_/output devices on Mac 
> OS X hosts 
> 
> Cliff: could you please report what sound emulation you have enabled?
> Also, make sure you are using the latest greatest VBox 5.1.4 version , 
> released 11 days ago.
> 
> I say that because there were sound-related bug fixes in that build
> https://www.virtualbox.org/ticket/15611 
> <https://www.virtualbox.org/ticket/15611>
> 
> FC
> PS: If all of the above fails, and you have the time and will to test, you 
> could also install the 5.1 test builds and report back if you see any 
> difference
> https://www.virtualbox.org/wiki/Testbuilds 
> <https://www.virtualbox.org/wiki/Testbuilds>
> 
> -- 
> During times of Universal Deceit, telling the truth becomes a revolutionary 
> act
> - George Orwell
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