Sorry, meant to send this to the list. @(^.^)@ Ed Sent from my iPhone
Begin forwarded message: > From: Ed Criscuolo <[email protected]> > Date: September 21, 2021 at 11:23:24 AM EDT > To: Marcus D Leech <[email protected]> > Subject: Re: why when i use gnuradio for USRP with UHD for high sample rate > record file is not work > > Since the X300 creates 16-bit samples, converting the complex float > samples into complex integer samples would reduce this to 4 bytes > per sample. A 60 msps stream would then require only 240Mbyte/sec > disk write speed. And if you can stand the loss in sampling > resolution, going down to 8-bit samples by using complex short samples > would further reduce this to 120MBytes/sec. > > @(^.^)@ Ed > > > >> On 9/21/21 10:45 AM, Marcus D Leech wrote: >> Well if you’re recording complex float samples, that’s 8 bytes each. At >> 60msps that’s 480Mbyte/second. Not too many disk subsystems can keep up >> at that rate. >> >> You might try short recordings into a RAM disk filesystem. >> >> Sent from my iPhone >> >>> On Sep 21, 2021, at 10:42 AM, یک نفر <[email protected]> wrote: >>> >>> >>> >>> I use a USRP x300, when i want to use uhd and file sink in gnuradio , >>> for high sample rate like 60M or 80M gnuradio can not record >>> file.Gnuradio print some character on log: i want to record a sample >>> not any other thing. >>> Is there any way that i can record with high sample rate in gnuradio? >>> >>> my system is powerful: >>> Core i7 >>> RAM 16 >>> |OOOOOOOOOOOOOO| >>> >
