<at> signal-to-noise ratio

cigogne

Senior Member
Persian
Hi,

We have tested the speech intelligibility in noisy environment in 4 stages. Is "at" an appropriate preposition in the sentence below?

In each stage, the speech intelligibility test was repeated for each individual at signal-to-noise ratios of +10, 0,and -10.

Thanks!
 
  • e2efour

    Senior Member
    UK English
    At is also used with stage. But since you have started with in 4 stages, it is probably better not to change the preposition.

    (You need to fix in noisy environment, e.g. wih an article)
     
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