Re: Maximum word bit and sample rate for USB Audio Class 2 devices?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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



[Index of Archives]     [ALSA Devel]     [Linux Audio Users]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [Yosemite Photos]     [KDE Users]     [Fedora Tools]

  Powered by Linux