Comment by nok22kon

4 days ago

> In a 32-bit float recorder, you have two ADCs working in tandem to create a single audio file. One “low gain” ADC is optimized for high-level audio, and the other “high gain” ADC is optimized for low-level audio. If the high gain ADC clips due to loud sounds, the low gain ADC does not. And if sounds are too quiet for the low gain ADC to capture clearly above its noise floor, the high gain ADC still has plenty of headroom above its noise floor. Said another way, the low-level ADC handles the quieter sections, and the high-level ADC handles loud sections.

https://tascam.jp/int/feature/32-bit_float

The first diagram in that article is pretty ironic in an HN comment thread about Monty @ Xiph's stuff. Have you never seen his takedown of the "stairstep" drawing?

  • I have seen it.

    This is a marketing page after all, explaining point-wise samples, reconstruction filters and "staircases" is way beyond scope.

    Same as in images, pixels are not "little squares"

    • One of the central points of that video by Monty is that staircase drawings are a lie. It's not that they need to be explained, they need to be avoided.