Audio and video file formats for transcription: one reference table
6 min Which audio and video formats a browser can transcribe, what each carries inside, what is discarded before the speech model hears it, and when converting is worth it.
file formats.
5 articles tagged file formats.
How to transcribe a WebM file to text, the format your browser picked for you
8 min Transcribe WebM to text in the browser. What Opus audio, a missing duration and a screen recording with no audio track mean for the file you were handed.
How to transcribe an M4A file to text, and what M4A actually is
8 min Transcribe M4A to text in your browser. What Apple's extension really means, where M4A files come from, and why a purchased track refuses to open.
How to transcribe a WAV file to text, and why the size is not the quality
8 min Transcribe WAV to text in the browser, with the arithmetic behind a 600 MB hour and why an uncompressed studio file reaches the model as 16 kHz mono.
How to transcribe an MP3 to text, and what the bitrate costs you
8 min Transcribe MP3 to text in your browser, and see what bitrate, mono or stereo and re-encoding really cost you once the audio is mixed down to 16 kHz mono.