On 30 March 2012 02:50, Nick Lidakis <nlidakis@xxxxxxxxxxx> wrote: > On Mon, Mar 26, 2012 at 02:13:22PM +0200, Clemens Ladisch wrote: >> René Bastian wrote: >> > Is there a _very good_ USB stereo interface working >> > at 32 bis/192 kHz >> >> No device is actually using 32 bits, as there is no DAC chip >> that is capable of outputting even 24 bits. >> > > Can you elaborate your statement? We're talking digital-to-analog > conversion, right? > > ESS Sabre DAC decodes 32 bit > audio:http://www.esstech.com/index.php?p=products_DAC > > And a USB Audio Class 2 device that uses said DAC chip: > http://www.usbdacs.com/Products/Products.html > > I have an Ayre QB-9 that decodes 24bit audio to 192Khz that is > also a USB Audio Class 2 device. > > I assumed it was a reference to this: http://en.wikipedia.org/wiki/Digital-to-analog_converter#DAC_figures_of_merit I.e. the device accepts 32bit input but physical limits prevent that precision in the output signal. -- imalone ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user