MacBook Pro and 24/96 or 24/192

Desktop=Windows XP equipped with Lynx 22

Lynx 22 balanced analog and AES digital outs connected to Grace 902 which functions as DAC and pre connected to active Dynaudio monitors.

iTunes on Windows PC with Lynx card will send 24/96 digital signal to 902 with 24/96 wav files or 24/96 wav files converted to AIFF using Max to Grace 902.

iTunes on MacBook pro will only send 44/16 digital signal with same aforementioned files to Grace 902 toslink connection from mini digital connection on MacBook Pro. I have confirmed Grace 902 toslink input will receive and process 24/96 and 24/192 files.

Is this possibly a limitation of the digital out on the MacBook Pro?

Thanks,

John

Macbook Pro should be able to output 24/96 w/o problems. Make sure the Macbook's output setup to 24/96 in Audio MIDI setup for 902. (Applications -> Utilities-> Audio MIDI Setup)

Make sure that you change the MIDI settings with iTunes closed and then re-open iTunes, otherwise the wrong upsampler is engaged and poor quality will result.

Steve N.

Empirical Audio

Thanks for the replies. Mission accomplished, please comment on my test results under new thread.