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Wwise SDK 2023.1.8

Gets the min/max peak pairs in the entire trimmed region of an audio source, for each channel, as an array of binary strings (one per channel). The strings are base-64 encoded, 16-bit signed int arrays, with min and max values being interleaved. If getCrossChannelPeaks is true, there is only one binary string representing peaks across all channels globally.

Arguments

Name	Type	Description
object *	any of:	The ID (GUID), name, or path of the audio source.
	string	The name of the object qualified by its type or Short ID in the form of type:name or Global:shortId. Only object types that have globally-unique names or Short Ids are supported. Ex: Event:Play_Sound_01, Global:245489792
	string	An object GUID of the form: {aabbcc00-1122-3344-5566-77889900aabb}.
	string	A project path to a Wwise object, including the category and the work-unit. For example: \Actor-Mixer Hierarchy\Default Work Unit\New Sound SFX.
numPeaks *	integer	The number of peaks that are required (minimum 1). Range: [1,4294967295]
getCrossChannelPeaks	boolean	When true, peaks are calculated globally across channels, instead of per channel.

(Required *)

Arguments Schema

Result

Name	Type	Description
peaksBinaryStrings	array	An array of binary strings.
peaksBinaryStrings [...]	string	Binary strings representing one channel of min/max peaks data. When getCrossChannelPeaks is true there is only one binary string in this array, representing the min/max peaks across all channels.
numChannels	number	The number of channels of peak data (i.e. the number of strings in peaksBinaryStrings). This is 1 if getCrossChannelPeaks is true.
maxAbsValue	number	The maximum value that a peak can take. This can be used to normalize the peaks in the array (between -1, 1), by dividing each by this number.
peaksArrayLength	number	The number of peaks in the returned min max channel arrays. If peaksArrayLength is less than the numPeaks input argument, this indicates fewer samples were available than numPeaks requested. In this case, the arrays contain all of the sample values within the requested time window.
peaksDataSize	number	The size of the data in the min/max peaks arrays. This can be used (in conjunction with peaksArrayLength) to decode the peaksBinaryStrings to 16 bit integer arrays
channelConfig	string	The channel configuration.

Result Schema

Examples

Refer to Using the Wwise Authoring API (WAAPI) for more information about Wwise Authoring API.

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