How to correct jittery Bluetooth audio on the Samsung Galaxy S25 Ultra (and the S24)?

Overall, I'm quite happy with the speed and, in particular, the camera performance of the Samsung Galaxy S25 Ultra. However, like its predecessor, the Samsung Galaxy S24 Ultra, the S25 intermittently jitters when playing Bluetooth audio via hands-free connection to my 2011 Mazda 3 hatchback. It happens when playing Spotify music, and even during a phone call. That phone call audio jitter is heard also by the other party on the call. This problem is severe because a smartphone is used primarily for its mobile communication feature, so that you can speak to others remotely, especially during emergencies. It doesn't matter how nice the other smartphone features are; phone calls have got to work effectively and consistently every time! Even worse, the Galaxy will also intermittently mute its audio via certain third-party Bluetooth FM radio transmitters like the Anker Roav, to which I've tried to switch in order to mitigate the S25 Bluetooth issue in the 2011 Mazda 3. This problem is not mentioned anywhere in the online forums, and apparently, no Samsung technician can help either via their support channel. With the Anker Roav Bluetooth FM transmitter, when the Samsung Galaxy S25 Ultra broadcasts audio (especially from YouTube videos) onto the Roav, the audio is intermittently muted for exactly 13 seconds each time while the video keeps playing. I've noticed that other audio output such as TTS guidance from Waze is also affected. You can imagine what a dismay it is to have lost your exit on the highway where you were supposed to get off because the voice navigation failed to play audibly. The same problem happened to me on the S24. **UPDATE** (April 14, 2025): the audio skipping issue has now begun happening also on the Samsung Galaxy Buds3 Pro playing audio from the Samsung Galaxy S25 Ultra! The audio mutes itself for exactly 6 seconds intermittently. Each time it's 6 seconds of silence. This is followed by an undetermined period of perfect audio, and then another sudden 6 seconds muted! It seems to happen randomly and I can't correlate it with anything, except that each time it's 6 seconds of silence. All audio is affected, including for instance Spotify music streaming and Waze GPS navigation. Has anyone experienced anything similar to this on either model smartphone, and how did you correct it?