Media Settings-Audio tab
From JReviews Documentation
Replace filename with listing title - if enabled, the uploaded audio filename will be replaced with listing title.
Prepend listing id to filename - if enabled, listing id will be prepended to the audio file name.
Max Audio per Listing per User - choose how many audio files each user will be able to upload per listing. Leave blank for no limit. Set to zero to disable uploads.
Max Audio per Review per User - choose how many audio files each user will be able to upload per review. Leave blank for no limit. Set to zero to disable uploads.
Maximum Upload Size
Allowed File Extensions - enter the list of allowed audio file extensions, separated by commas.