Gemini 2.5 Pro TTS Saved Recordings
A preview version will help determine that this is an old version of the service, yet won’t refer to any new versions. Do this yourself with your saved audio. If it is a lengthy piece of narration, pay attention to chapter breaks, names and numbers, and the voice in general.
Can a result from a newer Gemini voice model apply here?
Do not do that. Work with an original version of the recording only. Different versions need different audio files and checks.
Check the Watermark in Your Audio
Perform the SynthID Test with audio capability on both versions. Maintain a listening comparison along with the detector output. Please see our audio processing page for information about test completion.
The model name is not an indicator of SynthID in the image. Results will depend on the particular image you use. SynthID remover cannot be guaranteed to work for all kinds of AI labels or image provenance information.