Creating & Importing Signals
![](/language-assets/img/topic-overview-signal.png)
Overview »
Signals may be captured live from sensors, instruments and data feeds, stored in files and databases and generated from simulated models and processes.
Importing from Files
Import — import signals stored in various file formats
"CSV", "TSV", ... — tabular data formats
"MP3", "WAV", ... — audio formats
"EDF", "BDF", ... — scientific and medical data formats
Reading from Connected Devices »
DeviceReadList — read data from a device
DeviceReadTimeSeries ▪ FindDevices ▪ DeviceOpen ▪ ...
Signals from Knowledgebase »
EntityValue — values of entity properties
Wolfram Data Repository »
ResourceSearch, ResourceData — search for and access a data resource
"Western Europe Grape Harvest" ▪ "Spoken Digit Commands" ▪ "Global Obesity Rates" ▪ ...
Signals from Functions »
Table — sample a function
Array ▪ ConstantArray ▪ SquareWave ▪ SawtoothWave ▪ ...
Generating from Random Processes »
RandomFunction — simulate a random process
ARMAProcess ▪ ARIMAProcess ▪ SARIMAProcess ▪ ...
Resampling & Interpolation
ArrayResample — resample an array of data