             'tiny-en-q5_1':   31,
                    'base-en-q5_1':   57,
                };

                let url     = urls[model];
                let dst     = 'whisper.bin';
                let size_mb = sizes[model];

                model_whisper = model;

                document.getElementById('fetch-whisper-tiny-en').style.display = 'none';
                document.getElementById('fetch-whisper-base-en').style.display = 'none';
                document.getElementById('fetch-whisper-base').st