SenseLabOnline

SenseLabOnline^TM web application helps you run fast and reliable listening tests over the internet or in the lab.

SenseLabOnline^TMis available in solutions ranging from standard compliant ITU-R test methods like MUSHRA to advanced fully synchronized 4k audio/visual testing using VR headsets and multichannel loudspeaker reproduction.

Web application for listening tests

SenseLabOnline^TMenables professional and efficient evaluation of audio. It is suitable for product development in industries such as:

Telecommunications
Audio coding
Headphones and loudspeakers
Hearing aid industry

By using SenselabOnline^TM, you can easily design and conduct a range of standard compliant listening test recognized by the audio industry in a fast, reliable and easy-to-use way - thereby saving time and money.

An in-house tool that facilitates listening tests

SenseLabOnline^TMemploys best-practices within execution of listening tests, including enabling double-blind experimentation, automatic or custom randomisation of stimuli, precise playback, optimised user interfaces, easy handling of assessors, setup of test sequences, and automatic statistical analysis of test data and assessor performance.

The application runs in a browser utilizing either the newest web-based audio interface, WebAudio, tested extensively to ensure high quality audio reproduction or via the proprietary advanced sound player with full hardware control over ASIO drivers.

SenseLabOnline^TMis delivered with templates for attribute tests, preference tests, discrimination tests, suitability tests and other test types. Among the templates are a selection of commonly used ITU-compliant listening test methods.

Once you have registered as a user of SenseLabOnline^TM, you can sign in and build a range of standard compliant, as well as custom listening tests.

Because the system is built to run in a HTML5 compatible browser, you can distribute a listening test across physical locations (depends on internet connectivity). All data transformation is done in Secure Socket Layer (SSL), and the application is approved with industry standard code signing certificates.

Available test types of SenseLabOnline^TM

SenseLabOnline^TMoffers a number of listening test templates that are easy to configure:

ITU-R BS.1116-3
ITU-R BS.1534-3 (MUSHRA)
ITU-T P.835
ITU-T P.800 ACR/CCR/DCR
Triangle test (ISO 4120)
Pairwise comparison (ISO 5495)
ABX/Duo-trio test (ISO 10399)
Multiple Stimulus Comparison Rating
Adapted sensory evaluation methodologies (attribute testing)
Ideal Profile Method (IPM)
Annoyance and suitability test

Available standard solutions of SenseLabOnline^TM

SenseLabOnline^TM

The application is available in different versions depending on your needs.

Solutions	SenseLab server (DK)	SenseLab Server (Regional)	Own server	Single Lab PC

Admins^[1]	4	4	8	2
Internet	X	X		X
Intranet			X
E-mail capability	X	X	X
Playback compensation	X	X	X	X
Audio-Visual testing				X
Multi-channel / Real-device support	1-2 ch.^[2]	1-2 ch.^[2]	1-2 ch.^[2]	X
Ipad control				X
Template packages^[3]	Audio	Audio	Audio	Audio + Video
Open URL	X	X	Intranet	X
Improved data privacy			X	X
Training	X	X	X	X
Support	X	X	X	X
Rapid speaker spinner support	Included with spinners	Included with spinners	Included with spinners	Included with spinners
Annual license fee	7.500€	9.000€ ^[4]	8.000€	8.500€

[1] Additional price per extra administrator account: 750€ per extra admin, including training.
[2] Potential for test configurations with more channels (limited by WebAudio)
[3] All templates released for customers and supported by the solution will be available and new templates added free of charge when available. Special templates may be ordered based on ad-hoc pricing.
[4] Price may vary depending on country.

Technical specifications for SenseLabOnline

Sound player - pushing the limits for online testing
The sound player used by SenseLabOnline has been developed exclusively for SenseLabOnline to meet the high performance criteria specified in the international standards for audio evaluation testing.

As well as meeting high performance criteria the sound player runs exclusively via your web browser, meaning that no additional programs need to be installed in order to build or run tests.

A dedicated Audio/Video player is also available in an advanced version that ensures full control of hardware.
System requirements for applying SenseLabOnline
In order to apply SenseLabOnlie, you need:
- Ipad OS (latest version)
- Windows 32/64 bit (7 and 10): Chrome (latest version)
- Recommended minimum screen resolution 1280x800
- Minimum 2 GB ram
Sound player specifications
- Supported format: WAV
- Supported sample rates: 8 – 96 kHz
- Resolution: 16 bit (32 bit in Standalone version)
- Channels: Mono or stereo (n channels in Standalone version)
- Maximum file length: 45 s
- Sounds per screen/trial: unlimited (scroll bar appear)
Automatic statistical analysis
SenseLabOnline has implemented automatic statistical analysis procedures. Any time during a test, you can get an instant and full statistical analysis, and see preliminary results.

The automatic routines check data quality and basic assumptions before proceeding to plotting of the results.

Basic analysis methods like 2-way Analysis of Variance (ANOVA), showing mean values with confidence intervals, plotting of interaction between experimental variables (etc.) are always included.

For more advanced test types e.g. tests with multiple test questions/attributes, you will get a complete overview of the results using multivariate data analysis methods, such as Principal Component Analysis (PCA), and Hierarchical Multiple Factorial Analysis (HMFA).
Statistical modules
Current available statistical modules include:
- Analysis of Variance (ANOVA)
- TUKEY HSD
- Mean scores with confidence intervals
- Interaction plots
- Assessor feedback
- Assessor performance (eGauge)
- Hierarchical multiple factorial analysis (HMFA)
- Multi Dimensional Scaling (MDS)
- Factorial Analysis on Distance Tables (FADT)
- Check-All-That-Apply (CATA) analysis
- Box-plots
- Density plots
- Spider/radar plots.
You will receive the results as jpg files, and have access to raw data file for all your experiments.

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SenseLabOnline

SenseLabOnline^TM web application helps you run fast and reliable listening tests over the internet or in the lab.

Web application for listening tests

An in-house tool that facilitates listening tests

Available test types of SenseLabOnline^TM