Higher settings can help production headroom, but they do not automatically improve a finished listening copy. There is no one-line answer here: it depends on evidence from the source, the specific properties named below, and the destination's real requirements.
Container, codec, profile, bitrate, frame rate, channels, and duration jointly determine whether media will play well. The starting point for “Sample rate and bit depth: useful numbers, sensible limits” is this observation: Sample rate bounds representable frequency.
Three findings that guide this choice
The core distinction
Sample rate bounds representable frequency.
The practical trade-off
Bit depth controls quantization precision and dynamic range.
The verification test
Resampling cannot restore information absent from the source.
A practical decision for this workflow
Keep the project master at its native production settings and deliver to the platform specification.
Use resampling cannot restore information absent from the source. as the acceptance test on a representative source before committing an entire archive, publication, or delivery batch.
The video & audio mistake to avoid here
Converting 44.1 kHz material to 192 kHz and treating the larger file as a higher-fidelity source.
That failure conflicts directly with the recommendation for “Sample rate and bit depth: useful numbers, sensible limits”: Keep the project master at its native production settings and deliver to the platform specification.
Review checklist before delivery
- ✓Video and audio codecs are supported by the destination.
- ✓Duration, frame rate, and audio sync remain correct.
- ✓High-motion detail and quiet audio passages remain acceptable.
- ✓Captions, chapters, and required metadata were retained or exported separately.
Judge “Sample rate and bit depth: useful numbers, sensible limits” by whether the result passes these specific checks, not by whether a new file merely opens.