[Ham-Mac] OS X Lion and fldigi

[Dick Kriss]

On Aug 15, 2011, at 0:10, Alan Hawrylyshen <alan at polyphase.ca> wrote:

> Hi all;
> 
> I've had some interesting problems with fldigi under 10.7.
> I have many sound cards on my MacBook Air. The built in, the one in the cinema display and two USB based sound cards.  One is the tigertronics USB Signallink and the other is a generic USB audio device that serves as my main output (hooked up to speakers).
> 
> Trouble is that they both identify as "USB CODEC" or something similar. The description phrase is identical.
> 
> under 10.6.8 I saw two such interfaces in the selection list and under 10.7 only the one connected to the speakers shows up.
> 
> Additionally, any changes to the audio configuration in fldigi causes a segfault crash.
> 
> Anyone have any ideas? Is anyone using fldigi under 10.7 successfully? I'm interested in hearing your setup tales.
> 
> Thanks
> 
> Alan
> K2ACK
> Santa Cruz CA

Alan K2ACK,

I had no issues with fldigi and OS X 10.7 (Lion) to the iMac via USB cable to the TS-590S.  

The only issue that could be related to what you described is the correct System Preference/Sound/Output settings. You need be careful with the setup because if you leave the USB Audio CODEC selected (highlighted), the Mac system beeps may be transmitted.  Once you have the Output volume level slider adjusted, you need to remember to mouse select (highlight) the Internal Speakers for operation.  

In fldigi go to the Configuration menu and select the Sound Card. The correct option on the Audio/Devices panel is PortAudio and you should see USB Audio CODEC for both Capture and Playback.  Don't forget to adjust the TxLevel attenuation setting when you adjust the the OS X Sound Output level setting. They work together.


Dick AA5VU