diff --git a/packages/audiodocs/docs/types/channel-interpretation.mdx b/packages/audiodocs/docs/types/channel-interpretation.mdx
index 56ac9bca..05274b48 100644
--- a/packages/audiodocs/docs/types/channel-interpretation.mdx
+++ b/packages/audiodocs/docs/types/channel-interpretation.mdx
@@ -41,5 +41,3 @@ sidebar_position: 2
 | :------------------------: | :------------------------- | :------------ |
 | x | y where y > x | Fill each output channel with its counterpart(channel with same number), rest of output channels are silent channels |
 | x | y where y < x | Fill each output channel with its counterpart(channel with same number), rest of input channels are skipped |
-
-
diff --git a/packages/audiodocs/docs/types/window-type.mdx b/packages/audiodocs/docs/types/window-type.mdx
new file mode 100644
index 00000000..64ec2a86
--- /dev/null
+++ b/packages/audiodocs/docs/types/window-type.mdx
@@ -0,0 +1,16 @@
+---
+sidebar_position: 3
+---
+
+# WindowType
+
+`WindowType` type specifies which [window function](https://en.wikipedia.org/wiki/Window_function) is applied when extracting frequency data.
+
+**Acceptable values:**
+  - `blackman`
+
+  Set [Blackman window](https://www.sciencedirect.com/topics/engineering/blackman-window) as window function.
+
+  - 'hann`
+
+  Set [Hanning window](https://www.sciencedirect.com/topics/engineering/hanning-window) as window function.
diff --git a/packages/audiodocs/docs/visualization/analyser-node.mdx b/packages/audiodocs/docs/visualization/analyser-node.mdx
index 68d7308c..eab93b5f 100644
--- a/packages/audiodocs/docs/visualization/analyser-node.mdx
+++ b/packages/audiodocs/docs/visualization/analyser-node.mdx
@@ -28,6 +28,13 @@ In contrast, a frequency-domain graph reveals how the signal's energy or power i
 | `minDecibels` | `number` | Returns float value representing the minimum value for the range of results from [`getByteFrequencyData()`](/visualization/analyser-node#getbytefrequencydata). |
 | `maxDecibels` | `number` | Returns float value representing the maximum value for the range of results from [`getByteFrequencyData()`](/visualization/analyser-node#getbytefrequencydata). |
 | `smoothingTimeConstant` | `number` | Returns float value representing averaging constant with the last analysis frame. In general the higher value the smoother is the transition between values over time. |
+| `window` | [`WindowType`](/types/window-type) | Returns an enumerated value that specifies the type of window function applied when extracting frequency data. |
+
+:::caution
+
+On `Web`, the value of`window` is permanently `'blackman'`, and it cannot be set like in the `Android` or `iOS`.
+
+:::
 
 ## Read-only properties
 
@@ -101,3 +108,6 @@ Each value in the array is within the range 0 to 255, where value of 127 indicat
 - Default value is 0.8.
 - From range 0 to 1.
 - 0 means no averaging, 1 means "overlap the previous and current buffer quite a lot while computing the value".
+
+#### `window`
+- Default value is `'blackman'`