1516 Views 1 Reply Latest reply: May 9, 2007 2:38 PM by Mark Bailey2
The problem referenced in the posting can be resolved by a hack, on account of what appears to be a bug in the AudioMIDI utility program. There are two audio inputs, one is analog and one is digital. When using the (optical) digital input only a "default" setting is offered regarding the source clock. This input is identified as the "Built-in Audio 2". Otherwise the analog input is identified as simply "Built-in Audio". Inexplicabily, the analog input is provided with a drop down menu allowing selection of either "external clock" or the computer's "internal clock". Of course this make no sense for an analog input which should always utilize the internal clock. The "Built-in Audio" analog input should be provided only the "default" (internal clock) setting.
Interestingly, if you select the analog input "Built-in Audio" and then choose the "external clock" option and then subsequently choose "Built-in Audio 2", the optical digital input you can actually achieve control over whether the internal or external clock is used. Thus, until Apple fixes this, be sure to select the clock relative to the analog input and then choose the digital input as the source. No points for answering my own question!