Triode wrote: > List of known working dacs maintained by the community: > > https://docs.google.com/spreadsheet/ccc?key=0AqiK6WHnz5FHdEtlalVRb29pX3N2WXhfMlAzNmFMZnc#gid=0 > > I've posted a new applet to the 3rd party apps list for Squeezebox > Touch. This is designed to enhance the digital output capabilities of > the device for use with external Dacs. It is based on the software > which people have helped me test on the "Async USB Dac Experiments" > thread but should now be suitable for less experienced users to > install. > > The app should add support of the following to your Squeezebox Touch: > - External USB dacs using either USB audio class 1 or 2 protocols [USB 1 > dacs normally state they support up to 96k sample rates, USB 2 dacs > normally state up to 192k] > - Support of 176 and 192k playback via the standard digital output > > There are a number of limitations to be aware of: > 1) USB 1 dacs which operate in asynchronous mode probably need an > external high speed hub to work without "clicks" - this is due to what > appears to be a limitation in the Touch hardware. It is completely > resolved with a cheap (<$10) bus powered hub connected between the dac > and squeezebox. There is a workaround option which works with some dacs > if a hub is not used, but it limits playback to 44/48k sample rates. At > present is has only been proved to work with Audiolab/Lakewest dacs. > 2) USB support does not yet support hot plugging of usb dacs - please > connect your dac and leave turned on at present [this is likely to > improve in future] > 3) 192k playback requires a dac which supports it and is only supported > with flac files using native decoding at present. [In future 7.8 LMS > and firmware should support 192k wav streaming] It will also require > sufficient bandwidth on your network. > 4) Only one output can be selected at once, this means when a USB dac or > the Digital Output are selected there will be no sound on the analog > outputs. > > The app is called "Enhanced Digital Output" and is the main 3rd party > apps list. > > To install, please following the following steps: > 1) Ensure your Squeezebox Touch is running 7.7.x or later firmware > 2) Go to Apps Gallery -> 3rd Party Apps on the touch screen > 3) Deselect the "recommended applets only" option, so that you see a > longer list of apps > 4) Select "Enhanced Digital Output" and select it for installation > 5) Your touch should download the app, reboot, then download a new > custom linux kernel and reboot again > 6) You should now get a list of possible output devices - this should > include "Digital Output" and your USB Dac if it is plugged in, select > the appropriate output > 7) Touch should reboot again and then be ready to start playing with the > selected output > > If you want to change the output go to Setting > Audio Settings > > Digital Output; if you want to change some of the advanced options go to > Settings > Advanced > Digital Output > > Please note that if you perform a firmware update, then the app and > kernel will need to be reinstalled, this should be automated just > requiring you to install the app again or to have the "reinstall after > update" option selected from the 3rd party apps list. > > If you want to completely remove the app, then uninstall it and force a > firmware upgrade to reinstall the Logitech firmware and kernel. > > Please post your feedback on this thread - I would like to create a list > of USB DACs which are known to work with it, we started that on the > experiment thread, but I think it would be cleaner to maintain a list > here.
Has anyone tried to use the Enhanced Digital Output - USB Dac and 192k Digital Ouput App on a Slimdevices/Logitech Transporter? Thanks! ------------------------------------------------------------------------ mruano's Profile: http://forums.slimdevices.com/member.php?userid=66925 View this thread: http://forums.slimdevices.com/showthread.php?t=94512 _______________________________________________ Touch mailing list Touch@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/touch
