[BC] Outside source for checking Modulation Levels
Mike McCarthy
towers at mre.com
Wed Jul 23 19:51:39 CDT 2014
You need to create the tone within the program, then play it either from
within the program or througha playerafter saving.
Couple things come to mind as I use the tone function quite often to do
various tests. It is quite useful.
1) You must use either .WAV or some other uncompressed file method.
MP2/MP3 do strange things to tones.
2) You want to verify the tone with a counter or some other known
standard. I can not state with any certainty Audition's tone generator
is accurate to the Hertz between computers.
3) You want to create the tone at around -2dBfs to achieve best
resolution and least jitter.
I've never heard of file length variations when using WAV/PCM files.
MM
On 7/23/2014 7:05 PM, Cowboy wrote:
> On Wednesday 23 July 2014 04:28:03 pm Jim Turvaville wrote:
>> I know when I record something in Audition and play it back there are often serious variations in the length of the file based on the sound card used; leading me to believe it would not be as accurate
> Perhaps I misunderstood.
> ( n ever had opportunity to use Audition )
> Did you mean to simply record an audio input, or
> did you mean to use Audition to generate a precise tone ?
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