Upload audio files and simulate microphone

This feature is currently a Private Beta service and available only under Desktop and Mobile Pro, and Enterprise Pro plans. For more details, check out our pricing page.
Audio Injection supports only Android 11 and above, Windows 10 and above, and macOS devices.

BrowserStack Automate enables you to upload audio files to your test sessions to verify various use cases, such as testing web apps that require access to microphone and audio output, linking the microphone to your web app, testing the microphone recording feature, etc.

In this guide, you will learn how to:

Supported OS and devices
Upload your audio files
Inject the Audio file using the Automate capability

Supported OS and browsers

Supported Platform	Versions and Browsers
Android	11 and above
Windows	10 and above with Google Chrome and Edge only
macOS	Google Chrome and Edge only

Upload your audio files

Prior to starting the test execution, upload the audio files using media REST APIs.

curl -u "username:accesskey" -X POST "https://api-cloud.browserstack.com/automate/upload-media" -F "file=@/path/to/app/file/test.mp3"

Maximum file size - 15 MB for Android, 2 MB for Windows and macOS.
Allowed file formats for audio - .mp3 and .wav.
You can upload only one audio file at a time.
Uploaded files will persist on the BrowserStack server only for 30 days.

The REST API returns a response media_url for each successful file upload.

{
    "media_url": "media://<hashedid>"
}

The media_url received is used to refer the audio file in test script.

Inject the Audio file using the Automate capability

Use the following code snippet to upload audio files to your test sessions:

Copy

BrowserStack SDK is a plug-n-play solution that takes care of all the integration steps for you. Using the BrowserStack SDK is the recommended integration method for your project. To know more, visit the SDK core concepts page.

The following table provides information about the enableAudioInjection capability:

Capability	Description
`enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

DesiredCapabilities capabilities = new DesiredCapabilities();
HashMap<String, Object> browserstackOptions = new HashMap<String, Object>();
// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
browserstackOptions.put("osVersion", "12.0"); 
browserstackOptions.put("deviceName", "Samsung Galaxy S22");
browserstackOptions.put("enableAudioInjection", "true");
capabilities.setCapability("bstack:options", browserstackOptions);

var capabilities = {
	'bstack:options' : { 
			// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
			"osVersion" : "12.0",
			"deviceName" : "Samsung Galaxy S22"
			"enableAudioInjection" : "true"
		}
}

Dictionary<string, object> browserstackOptions = new Dictionary<string, object>();
browserstackOptions.Add("enableAudioInjection", "true");
// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
browserstackOptions.Add("osVersion", "12.0");
browserstackOptions.Add("deviceName", "Samsung Galaxy S22");
capabilities.AddAdditionalOption("bstack:options", browserstackOptions);

desired_cap = {
	'bstack:options' : {
		# Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
		"osVersion" : "12.0",
		"deviceName" : "Samsung Galaxy S22",
		"enableAudioInjection" : "true",
	},
}

capabilities = {
	'bstack:options' => {
		# Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
		"osVersion" => "12.0",
		"deviceName" => "Samsung Galaxy S22",
		"enableAudioInjection" => "true",
	},
}

The following table provides information about the browserstack.enableAudioInjection capability:

Capability	Description
`browserstack.enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

DesiredCapabilities desiredCapabilities = new DesiredCapabilities();
desiredCapabilities.setCapability("browserstack.enableAudioInjection","true");
// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
caps.setCapability("os_version", "12.0");
caps.setCapability("device", "Samsung Galaxy S22");

var capabilities = {
	"browserstack.enableAudioInjection" : "true"
	// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
	"os_version" : "12.0",
	"device" : "Samsung Galaxy S22",
}

ChromeOptions capability = new ChromeOptions();
capability.AddAdditionalCapability("browserstack.enableAudioInjection", "true");
// Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
capability.AddAdditionalCapability("os_version", "12.0");
capability.AddAdditionalCapability("device", "Samsung Galaxy S22");

desired_cap = {
	"browserstack.enableAudioInjection" = "true",
	# Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
	"os_version" : "12.0",
	"device" : "Samsung Galaxy S22",
}

caps = Selenium::WebDriver::Remote::Capabilities.new
caps["browserstack.enableAudioInjection"] = "true"
# Ensure to use Android version 11 or above. Passing an invalid version (below Android 11 or non-Android OS) drops the session.
caps["os_version"] = "12.0"
caps["device"] = "Samsung Galaxy S22"

Add audio injection logic for Android

The uploaded audio file is played on the remote device using custom JavaScript Executors. Your test script must be modified to add these custom executors along with the logic to click the UI element that in the webapp that triggers the microphone and plays the audio in a specified order.

Ensure that the following order is maintained in your script:

Add the inject audio executor statement
Add framework logic to click a UI element
Add the start audio executor statement
Add the implicit wait to play complete audio
Add the stop audio executor statement

Inject audio

Specify the audio file to play during the test using the following custom executor. Set the audioUrl argument with the media_url you received on successful upload of the audio file.

driver.execute_script('browserstack_executor: {\"action\":\"injectAudio\", \"arguments\": {\"audioUrl\" : \"media://<hashedid>\"}}')

Add framework command to click UI element

Your script must include the logic to handle any permission-related popups that might be encountered. Check out Handle pop-ups, permissions, and notifications for more information.

Start audio

After you click the UI element, the device starts listening for input. Use the startAudio action to play the audio.

driver.execute_script('browserstack_executor: {\"action\":\"startAudio\"}')

Add the implicit wait to play complete audio

Ensure that you add the logic to add implicit waits in your script such that the stopAudio action occurs only after the complete audio is played.

The default idle timeout for a session is 90 sec. The idle timeout can be extended to 5 minutes using these workarounds.

Stop audio

Use the stopAudio action to stop the audio.

driver.execute_script("browserstack_executor: {\"action\":\"stopAudio\"}")

Copy

The following table provides information about the enableAudioInjection capability:

Capability	Description
`enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

MutableCapabilities capabilities = new MutableCapabilities();
capabilities.setCapability("browserName", "Chrome");
HashMap<String, Object> browserstackOptions = new HashMap<String, Object>();
browserstackOptions.put("os", "Windows");
browserstackOptions.put("osVersion", "10");
browserstackOptions.put("browserVersion", "110.0");
browserstackOptions.put("enableAudioInjection", "true");
browserstackOptions.put("audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

capabilities.setCapability("bstack:options", browserstackOptions);

// Input capabilities
var capabilities = {
	'bstack:options' : {
		"os" : "Windows",
		"osVersion" : "10",
		"projectName" : "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" : "YOUR_USERNAME",
		"accessKey" : "YOUR_ACCESS_KEY",
        "enableAudioInjection": true,
    	"audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" : "Chrome",
	"browserVersion" : "110.0",
}
// Your test logic

ChromeOptions capabilities = new ChromeOptions();
Dictionary<string, object> browserstackOptions = new Dictionary<string, object>();
browserstackOptions.Add("os", "Windows");
browserstackOptions.Add("osVersion", "10");
browserstackOptions.Add("browserVersion", "110.0");
browserstackOptions.Add("userName", "USERNAME");
browserstackOptions.Add("accessKey", "KEY");
browserstackOptions.Add("browserName", "Chrome");
browserstackOptions.Add("enableAudioInjection", "true");
browserstackOptions.Add("audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

capabilities.AddAdditionalOption("bstack:options", browserstackOptions);

desired_cap = {
	'bstack:options' : {
		"os" : "Windows",
		"osVersion" : "10",
		"browserVersion" : "110.0",
		"projectName" : "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" : "YOUR_USERNAME",
		"accessKey" : "YOUR_ACCESS_KEY",
        "enableAudioInjection" : true,
		"audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" : "Chrome",
}

capabilities = {
	'bstack:options' => {
		"os" => "Windows",
		"osVersion" => "10",
		"browserVersion" => "110.0"
		"projectName" => "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" => "YOUR_USERNAME",
		"accessKey" => "YOUR_ACCESS_KEY",
        "enableAudioInjection"=> true,
		"audioInjectionURL" => "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" => "Chrome",
}

The following table provides information about the browserstack.enableAudioInjection capability:

Capability	Description
`browserstack.enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

DesiredCapabilities caps = new DesiredCapabilities();
caps.setCapability("os", "Windows");
caps.setCapability("os_version", "10");
caps.setCapability("browser", "Chrome");
caps.setCapability("browser_version", "110.0");
caps.setCapability("browserstack.enableAudioInjection", "true");
caps.setCapability("browserstack.audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

var capabilities = {
	"os" : "Windows",
	"os_version" : "10",
	"browserName" : "Chrome",
	"browser_version" : "110.0",
	"browserstack.enableAudioInjection" : "true",
	"browserstack.audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	"browserstack.user" : "USERNAME",
	"browserstack.key" : "ACCESS_KEY"
}

ChromeOptions capability = new ChromeOptions();
capability.AddAdditionalCapability("os", "Windows", true);
capability.AddAdditionalCapability("os_version", "10", true);
capability.AddAdditionalCapability("browser", "Chrome", true);
capability.AddAdditionalCapability("browser_version", "110.0", true);
capability.AddAdditionalCapability("browserstack.user", "USERNAME");
capability.AddAdditionalCapability("browserstack.key", "ACCESS_KEY");
capability.AddAdditionalCapability("browserstack.enableAudioInjection","true")
capability.AddAdditionalCapability("browserstack.audioInjectionURL","media://575927ad18ae787c065e680dc3ee864725cd809e")

desired_cap = {
	"os" : "Windows",
	"os_version" : "10",
	"browser" : "Chrome",
	"browser_version" : "110.0",
	"browserstack.enableAudioInjection" : "true",
	"browserstack.audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
}

caps = Selenium::WebDriver::Remote::Capabilities.new
caps["os"] = "Windows"
caps["os_version"] = "10"
caps["browser"] = "Chrome"
caps["browser_version"] = "110.0"
caps["browserstack.enableAudioInjection"] = "true"
caps["browserstack.audioInjectionURL"] = "media://575927ad18ae787c065e680dc3ee864725cd809e"

Audio injection logic for Windows

The uploaded audio file is played manually on the remote device. Modify your test script to include steps to play audio in the web app UI, triggering the microphone and playing the audio in a specific order.

Copy

The following table provides information about the enableAudioInjection capability:

Capability	Description
`enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

MutableCapabilities capabilities = new MutableCapabilities();
capabilities.setCapability("browserName", "Edge");
HashMap<String, Object> browserstackOptions = new HashMap<String, Object>();
browserstackOptions.put("os", "OS X");
browserstackOptions.put("osVersion", "Monterey");
browserstackOptions.put("browserVersion", "110.0");
browserstackOptions.put("enableAudioInjection", "true");
browserstackOptions.put("audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

capabilities.setCapability("bstack:options", browserstackOptions);

// Input capabilities
var capabilities = {
	'bstack:options' : {
		"os" : "OS X",
		"osVersion" : "Monterey",
		"browserVersion" : "110.0",
		"projectName" : "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" : "YOUR_USERNAME",
		"accessKey" : "YOUR_ACCESS_KEY",
        "enableAudioInjection": true,
    	"audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" : "Edge",
}
// Your test logic

EdgeOptions capabilities = new EdgeOptions();
Dictionary<string, object> browserstackOptions = new Dictionary<string, object>();
browserstackOptions.Add("os", "OS X");
browserstackOptions.Add("osVersion", "Monterey");
browserstackOptions.Add("browserVersion", "110.0");
browserstackOptions.Add("userName", "USERNAME");
browserstackOptions.Add("accessKey", "KEY");
browserstackOptions.Add("browserName", "Edge");
browserstackOptions.Add("enableAudioInjection", "true");
browserstackOptions.Add("audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

capabilities.AddAdditionalOption("bstack:options", browserstackOptions);

desired_cap = {
	'bstack:options' : {
		"os" : "OS X",
		"osVersion" : "Monterey",
		"browserVersion" : "110.0",
		"projectName" : "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" : "YOUR_USERNAME",
		"accessKey" : "YOUR_ACCESS_KEY",
        "enableAudioInjection" : true,
		"audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" : "Edge",
}

capabilities = {
	'bstack:options' => {
		"os" => "OS X",
		"osVersion" => "Monterey",
		"browserVersion" => "110.0",
		"projectName" => "Audio Injection",
		"buildName" : "audio_test_1",
		"userName" => "YOUR_USERNAME",
		"accessKey" => "YOUR_ACCESS_KEY",
        "enableAudioInjection"=> true,
		"audioInjectionURL" => "media://575927ad18ae787c065e680dc3ee864725cd809e",
	},
	"browserName" => "Edge",
}

The following table provides information about the browserstack.enableAudioInjection capability:

Capability	Description
`browserstack.enableAudioInjection`	Set this capability to `"true"` if you want to use your audio files in the test.

DesiredCapabilities caps = new DesiredCapabilities();
caps.setCapability("os", "OS X");
caps.setCapability("os_version", "Monterey");
caps.setCapability("browser", "Edge");
caps.setCapability("browser_version", "108.0");
caps.setCapability("browserstack.enableAudioInjection", "true");
caps.setCapability("browserstack.audioInjectionURL", "media://575927ad18ae787c065e680dc3ee864725cd809e");

var capabilities = {
	"os" : "OS X",
	"os_version" : "Monterey",
	"browserName" : "Edge",
	"browser_version" : "108.0",
	"browserstack.enableAudioInjection" : "true",
	"browserstack.audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
	"browserstack.user" : "USERNAME",
	"browserstack.key" : "ACCESS_KEY"
}

EdgeOptions capability = new EdgeOptions();
capability.AddAdditionalCapability("os", "OS X");
capability.AddAdditionalCapability("os_version", "Monterey");
capability.AddAdditionalCapability("browser", "Edge");
capability.AddAdditionalCapability("browser_version", "108.0");
capability.AddAdditionalCapability("browserstack.user", "USERNAME");
capability.AddAdditionalCapability("browserstack.key", "ACCESS_KEY");
capability.AddAdditionalCapability("browserstack.enableAudioInjection","true")
capability.AddAdditionalCapability("browserstack.audioInjectionURL","media://575927ad18ae787c065e680dc3ee864725cd809e")

desired_cap = {
	"os" : "OS X",
	"os_version" : "Monterey",
	"browser" : "Edge",
	"browser_version" : "108.0",
	"browserstack.enableAudioInjection" : "true",
	"browserstack.audioInjectionURL" : "media://575927ad18ae787c065e680dc3ee864725cd809e",
}

caps = Selenium::WebDriver::Remote::Capabilities.new
caps["os"] = "OS X"
caps["os_version"] = "Monterey"
caps["browser"] = "Edge"
caps["browser_version"] = "108.0"
caps["browserstack.enableAudioInjection"] = "true"
caps["browserstack.audioInjectionURL"] = "media://575927ad18ae787c065e680dc3ee864725cd809e"

Audio injection logic for macOS

Check this page for a list of various JavaScript Executors that BrowserStack offers.

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Upload audio files and simulate microphone

Supported OS and browsers

Upload your audio files

Inject the Audio file using the Automate capability

Add audio injection logic for Android

Inject audio

Add framework command to click UI element

Start audio

Add the implicit wait to play complete audio

Stop audio

Audio injection logic for Windows

Audio injection logic for macOS

Related topics

We're sorry to hear that. Please share your feedback so we can do better

We're continuously improving our docs. We'd love to know what you liked

We're sorry to hear that. Please share your feedback so we can do better

We're continuously improving our docs. We'd love to know what you liked