[sdiy] Decent 192kHz USB audio-interface

TERRY SHULTZ thx1138 at earthlink.net
Thu Apr 29 19:02:43 CEST 2021


Hi Mike,

I use FerroFish and RME units.

They are Pricey but well made and supported.

regards,

Terry

> On Apr 29, 2021, at 9:15 AM, Mike Bryant <mbryant at futurehorizons.com> wrote:
> 
> Most high frequency sampling ADCs aren't good to 80kHz.  They have a much more relaxed roll-off to about 40kHz to avoid phase effects on the audio, then dive.  Probably best to look at the ADCs datasheets from AKM, Cirrus and Analog Devices and find an ADC that does what you want, then look for units that use that device.
> 
> -----Original Message-----
> From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of Richie Burnett
> Sent: 29 April 2021 11:44
> To: synth-diy mailing list
> Subject: [sdiy] Decent 192kHz USB audio-interface
> 
> Can anyone recommend a decent external USB audio interface that's capable of sampling at 192kHz in record and playback?
> 
> This is a bit off topic, but it's still audio related! ;-)  Some of my colleagues do underwater acoustic communications work and have been using a "Creative Labs Sound Blaster X-Fi HD 24-bit 96KHz USB Audio Interface" with great success to record and playback ultrasonic signals up to 44kHz.  Now they are wanting to do similar up to around 80kHz so I'm looking for an external audio interface capable of sampling at 192kHz with an analogue bandwidth out to around 80kHz.
> 
> The only application I'm aware of that requires this sort of analogue bandwidth is the delivery of composite FM stereo multiplex from studio to transmitter site over IP.  So, I know it is possible, but wanted to avoid buying lots of audio interfaces and testing them to see which are good to 80kHz!
> 
> Any tips/pointers/experience good or bad would be much appreciated. 
> Off-list is fine if high-bandwidth audio is not considered to be of interest to others.
> 
> Many thanks in advance,
> 
> -Richie,
> 
> 
> 
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