Use the "Amplify" and "Low/High Pass Filter" effects to thin out your voice and add static.
If you need immediate "foley" (performed sounds) or background noise, look for these specific elements: Old Radio Sound Effects
Use keywords like "radio static," "tuning buzz," or "frequency scan" . Use the "Amplify" and "Low/High Pass Filter" effects
Apply gentle compression to even out the levels, mimicking the way old broadcast hardware processed audio. 3. Quick Software Shortcuts " "tuning buzz
Sites like Envato Elements or Zapsplat offer extensive libraries of royalty-free radio effects. 2. How to "Old-ify" Your Voice
Use the "Scientific Filter" and select a curve that emphasizes the mid-range frequencies.