Fact · Dictation
16kHz sampling rate
Bauer et al. state that dictation and other large-vocabulary applications principally use a sampling rate of at least 16 kHz, especially in noisy environments.
Checked against its source on October 16, 2026
In the source's own words
“a sampling rate of at least 16 kHz, especially in noisy environments.”
Automatic Recognition of Wideband Telephone Speech with Limited Amount of Matched Training Data, Patrick Bauer et al., EUSIPCO 2014, European Signal Processing Conference, 2014, Introduction.
Open the original- What it measures
- The sentence is in the authors' introduction, after they cite a 20% relative word error rate reduction from doubling the sampling rate from 8 to 16 kHz in an earlier study.
- What it does not show
- A statement of practice in a conference paper, not a survey of dictation products. It supports the idea that dictation software expects wideband audio.
Source
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