Update intro of FrequencyAnalyzer.frequencyBinCount #24184
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(comment last updated: 2023-03-30 04:35:51) |
| @@ -14,7 +14,7 @@ browser-compat: api.AnalyserNode.frequencyBinCount | |||
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| {{APIRef("Web Audio API")}} | |||
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| The **`frequencyBinCount`** read-only property of the {{domxref("AnalyserNode")}} interface is an unsigned integer half that of the {{domxref("AnalyserNode.fftSize")}}. This generally equates to the number of data values you will have to play with for the visualization. | |||
| The **`frequencyBinCount`** read-only property of the {{domxref("AnalyserNode")}} interface is an unsigned integer half that of the {{domxref("AnalyserNode.fftSize")}}. This is the total number of data points available. Their indices have a linear relationship with the frequencies they represent, between 0 and the [Nyquist frequency](https://en.wikipedia.org/wiki/Nyquist_frequency). | |||
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The
frequencyBinCountread-only property of the {{domxref("AnalyserNode")}} interface is an unsigned integer half that of the {{domxref("AnalyserNode.fftSize")}}
- "half that" - you mean half the value of, or half the data size of - impossible to tell.
- Normally we don't mention the data size because users of the API don't care unless it forces them to use something other than
Number.
So I would restructure this to something like:
The
frequencyBinCountread-only property of the {{domxref("AnalyserNode")}} interface is the total number of data points availableto whatever it is they are available to.
This is half theWHAT????of the the {{domxref("AnalyserNode.fftSize")}}. The two method's indices have a linear relationship with the frequencies they represent, between 0 and the Nyquist frequency.
dawei-wang
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hamishwillee
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wbamberg
hamishwillee
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wbamberg
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Could someone from @mdn/yari-content-web-api review this? |
teoli2003
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teoli2003
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Fix #24183
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