[wsjt-devel] audio interface

2018-03-14 Thread Mike Lavelle
True/false? In WSJT-X, the sound card sample rate is always 48000 Hz and 16 bits, regardless of the mode (JT4, JT9, ISCAT, JT65, FT8, etc) selected? The protocol descriptions mention 11025 and 12000 sample rates for various modes, so I can assume that the sample rates are converted within WS

Re: [wsjt-devel] audio interface

2018-03-14 Thread Joe Taylor
On 3/14/2018 5:13 PM, Mike Lavelle K6ML wrote: In WSJT-X, the sound card sample rate is always 48000 Hz and 16 bits, regardless of the mode (JT4, JT9, ISCAT, JT65, FT8, etc) selected? Correct. The protocol descriptions mention 11025 and 12000 sample rates for various modes, so I can assume th

Re: [wsjt-devel] audio interface

2018-03-14 Thread Mike Lavelle
. - Original Message - From: "Mike Lavelle" To: "WSJT software development" Sent: Wednesday, March 14, 2018 3:31:30 PM Subject: Re: [wsjt-devel] audio interface Thanks for confirming that, Joe. The reason for my question is that I have built a millimeter wave rad

Re: [wsjt-devel] audio interface

2018-03-14 Thread Mike Lavelle
8 3:52:02 PM Subject: Re: [wsjt-devel] audio interface To clarify: My solution would be to use the non-standard tone spacings on the air and resample the Rx audio inside my rig to 48 kHz before sending to WSJT. should have said that the external resampling would include timebase scaling to