Topic: MT SPDIF Question

[Scooter]

you need to feed it a spdif signal from your preamp at your desired sample rate for it to acurately determine time remaining.  do that and it will be accurate.  it auto-senses the incoming signal sample rate, and locks to it.

[JasonSobel]

with S/PDIF input, the sample rate is detected automatically.  there is no way around that fact.

a few things.  with 24 bit, you'll never be able to get 3+ hours in a single file.  at 24 bit, 48kHz, you'll hit the 2 GB file size limit around 2 hours.  at 24/96, you'll hit 2 GB around 1 hour into the recording.  These is the reason why so many of us want M-Audio to implement a feature where it'll automatically start a new file when the 2 GB limit is reached.

It seems like the "Rec Time Available" is being reported to you, assuming a sample rate of 96kHz in both cases.  so, now, instead of basing this off of what it says when you hit "Rec Time Available", why don't you feed it an S/PDIF stream, start a recording, and see how much time is left on the countdown at the start of the file.   if it's around 2 hours and you're giving it 24/48, all is fine.  Some people have reported problems with the total time that it counts down from.  one thing to try, that seems to work for some people, is to record a short file, just a few seconds.  and save it, and start a new one.  this second file starts the countdown from where it should.  This is a small bug that M-Audio is aware of.  Still, it wouldn't hurt to let them know what you are experiencing.  Hopefully this issue will be resolved with a future firmware update.

[Do.com]

Wow, you are right. So regarding the problem you speak of:

"Some people have reported problems with the total time that it counts down from.  one thing to try, that seems to work for some people, is to record a short file, just a few seconds.  and save it, and start a new one.  this second file starts the countdown from where it should.  This is a small bug that M-Audio is aware of.  Still, it wouldn't hurt to let them know what you are experiencing.  Hopefully this issue will be resolved with a future firmware update."

What sort of problems should I worry about?  I know there is probably a FAQ with this but so far you have me on the right track!  I can record long enough to fit the entire shows I need to tape soon.

Thanks
C

[cpatch]

Sample Rate: Auto (It will not allow me to adjust this)

Same here (with beta 1.2 firmware).

Craig

[Do.com]

Craig,

So feed it a signal, say a 16 bit/48kHz feed from my modded SBM1.  Now it re-calculates the amount of time once you start recording based on that signal.  Try it....

C

[sickrick43]

To estimate the recording time:

Go into Record Settings.

Set the input to either analog input, and the bitrate/depth to what you're planning on feeding thru the spdif.  Check the available recording time in the Record Settings section.  This is your max time on the ENTIRE CARD, for that bitrate/depth.  Then go into record mode, and start a recording (no input required).  This will display the max time @ max filesize for that bitrate/depth.

Simple, no?

Rick