I can select different voices (and hear different speeches), but changing the pitch, words per minute, and volume does not change the speech at all.
Adobe Acrobat Pro DC v. 2019.012.20040 (latest version according to Adobe CC)
macOS Catalina 10.15.7
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Hope you are doing well and sorry for the trouble. As described you want to set the pitch/words per minute while reading out loud the PDF file.
Please go to Edit (Windows), Adobe Acrobat (Mac) > Preferences > Reading > Under Read Out Loud Options, Uncheck 'Use default speech attributes' and set the pitch and Words per minute as per your requirement and Click OK.
Hi, do you have another solution? As I stated in my original question, changing the pitch and words per minute does not change the speech at all.
Sorry for the delay in response. Please try to reset the Acrobat preferences to default as described in the help page - https://community.adobe.com/t5/acrobat/how-to-reset-acrobat-preference-settings-to-default/td-p/4792...
You may also try to create a new test user profile in with full admin rights or enable the root account in Mac and try using the application there and check.