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AudioInsert[audio,tnew]

inserts the audio signal new at time t.

AudioInsert[audio,{t1,t2,…}new]

inserts the same audio at multiple positions.

AudioInsert[audio,{t1new1,…}]

inserts multiple audio signals at different positions.

Details
Details and Options Details and Options
Examples  
Basic Examples  
Scope  
Applications  
Properties & Relations  
Possible Issues  
See Also
Related Guides
History
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AudioInsert

AudioInsert[audio,tnew]

inserts the audio signal new at time t.

AudioInsert[audio,{t1,t2,…}new]

inserts the same audio at multiple positions.

AudioInsert[audio,{t1new1,…}]

inserts multiple audio signals at different positions.

Details

  • AudioInsert can be used to insert one or multiple audio signals into an existing audio object at various times.
  • The time t can be any of the following:
  • ttime given in seconds
    Quantity[t,"unit"]time given in "unit" compatible with seconds
    Quantity[t,"Samples"]time given as number of samples

Examples

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Basic Examples  (1)

Insert a sinusoid at time 0.5s:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-93ofj)"]\);
Wolfram Language code: AudioInsert[a, .5 -> AudioGenerator["Sin"]]

Scope  (2)

Insert a sinusoid at different times:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-93ofj)"]\);
Wolfram Language code: AudioInsert[a, {.5, 1} -> AudioGenerator["Sin"]]

Insert a different signal at different times:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-93ofj)"]\);
Wolfram Language code: AudioInsert[a, {.5 -> AudioGenerator["Sin"], 1.5 -> AudioGenerator["White"]}]

Applications  (1)

Inset a short sinusoid to remark parts of interest in a recording:

Wolfram Language code: a = ExampleData[{"Audio", "PianoScale"}, "Audio"];

View the spectrogram:

Wolfram Language code: Spectrogram[a, PlotRange -> {200, 800}]

Find the intervals with a nonzero amplitude and the fundamental frequency in a specified range:

Wolfram Language code: int = AudioIntervals[a, #RMSAmplitude > 0 && TrueQ[#FundamentalFrequency > 260]&, PartitionGranularity -> .1]

Insert a sinusoid just before the beginning of the intervals:

Wolfram Language code: AudioInsert[a, int[[All, 1]] - .05 -> AudioGenerator["Sin", .1]]

Properties & Relations  (2)

The duration of the result is equal to the sum of the durations of the input signal and all new signals:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-u095i)"]\);b = \!\(\*AudioBox["![Embedded Audio Player](audio://content-qet3d)"]\);
Wolfram Language code: Duration /@ {a, b}
Wolfram Language code: AudioInsert[a, .5 -> b]//Duration

If the input and the new audio have different characteristics, the new audio is modified:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-u095i)"]\); b = \!\(\*AudioBox["![Embedded Audio Player](audio://content-qet3d)"]\);
Wolfram Language code: Through[{AudioChannels, AudioSampleRate}[{a, b}]]

While the duration is maintained, the number of channels and the sample rate are conformed to the input audio:

Wolfram Language code: AudioInsert[a, .5 -> b]
Wolfram Language code: Through[{AudioChannels, AudioSampleRate}[%]]

Possible Issues  (1)

Inserting signals at duplicate times inserts sequentially the new audio objects:

Wolfram Language code: a = \!\(\*AudioBox["![Embedded Audio Player](audio://content-93ofj)"]\);
Wolfram Language code: AudioInsert[a, {1 -> AudioGenerator["Sin"], 1 -> AudioGenerator["White"]}]
Wolfram Research (2017), AudioInsert, Wolfram Language function, https://reference.wolfram.com/language/ref/AudioInsert.html.

Text

Wolfram Research (2017), AudioInsert, Wolfram Language function, https://reference.wolfram.com/language/ref/AudioInsert.html.

CMS

Wolfram Language. 2017. "AudioInsert." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/AudioInsert.html.

APA

Wolfram Language. (2017). AudioInsert. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/AudioInsert.html

BibTeX

@misc{reference.wolfram_2026_audioinsert, author="Wolfram Research", title="{AudioInsert}", year="2017", howpublished="\url{https://reference.wolfram.com/language/ref/AudioInsert.html}", note=[Accessed: 12-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_audioinsert, organization={Wolfram Research}, title={AudioInsert}, year={2017}, url={https://reference.wolfram.com/language/ref/AudioInsert.html}, note=[Accessed: 12-June-2026]}