Decodes both clips (base64 or URL, at most 10 MiB and 60 s each) with ffmpeg 6.1...
https://ton.halowerk.com/v1/tts-ab-compareOverview
Decodes both clips (base64 or URL, at most 10 MiB and 60 s each) with ffmpeg 6.1 and measures each on 10 ms frames: speech segments above the silence threshold (blips under 30 ms dropped, gaps shorter than min_pause_ms bridged), leading/trailing silence, pause statistics, words per minute over the speech span and syllables per second of speech time if the text is given (vowel-group syllable count), active level, pause noise floor, sample peak, clipped samples at codec full scale, spectral…