
Welcome to MulSys a spin-out company from the University of Surrey with world class expertise in multimedia signal processing and communication
MulSys provides unique technologies and services based on customer requirements

Secure GSM and 3G Voice and Data Communication Systems Software
Software package is in high level 'C' and can be compiled to run on various platforms

Secure GSM/3G Phone and Bluetooth Hardware
OMAP3530 based GSM phone and DSP5510/CSR-BlueCore4 based Bluetooth platforms are available.

Development and Customization
We undertake development and customization work to suit the customers' needs.
Specialisation in multimedia signal processing and communication systems
Mulsys is a small highly specialised spin-out company from the University of Surrey Centre for Communication Systems Research. We have a team of experts which are all highly trained in multimedia signal processing and communication systems.
Security
Leading-edge technology developer in secure GSM/3G voice and data communication.
Unlike all other secure wireless phones MulSys secure wireless communication technology uses the GSM and 3G voice channels to tunnel secure voice and data. As a result it has no roaming, delay and connectivity problems and it works where there is no data service is available and does not require data subscription.
MulSys secure phone/BT also work in a non secure mode with standard GSM service quality. Security function can be enabled or disabled by the user. The security function is set-up within 8 seconds after the selection by the users.
Coding and compression
Software speech and video coder solutions are provided based on customer specification.
Our expertise covers many speech and video coding standards.
In house addition of error resilience tools for mobile channels.
Block and convolutional codes design and implementation to suit specific speech and video coders for various channel conditions.
Other Expertise
Adaptive electrical and acoustic echo cancellation.
Single microphone noise cancellation.
Multiple microphone sound detection and filtering.
Multiple description coding and packing for VoIP packet loss resilience.
Services
MulSys provides signal processing and communication expertise to match the customers' specific requirements.

Our products include
Secure GSM and 3G end-to-end communication platform using the voice channel which is offered as software or hardware package
Hardware solutions include secure GSM phone or secure blue-tooth devices
Our coder products range from Low bit rate speech codecs (down to 1.2kb/s) to various standard compliant and proprietary speech and video codecs
Noise and echo cancellation software etc.
Spatial audio processing algorithms

Other products
Scalable Multi-rate speech and video coders
Spatial audio/source separation algorithms
Content adaptation algorithms
Video transcoding algorithms
Speaker identification and verification algorithms
Various wireless channel models including UMTS and WIMAX
Wireless channel simmulators
Channel error control Forward Error Correction (FEC) algorithms

Please leave your name and contact information with your enquiry.
Mulsys Limited is a registered company in the United Kingdom.
COMPANY REGISTRATION NUBER: 4692353
VAT NO: 840 6033 57
MulSys provides multimedia signal processing and communication expertise to match the customers' specific requirements
Our services include
Our area of expertise covers various signal processing building blocks of both fixed wired and wireless communication systems for high quality 2D and 3D content delivery.
We offer both consultancy services and development support in the area of signal processing covering audio-visual processing and coding, content adaptation, error resilience tools for wireless channels, adaptive noise and echo cancellation, adaptive equalisation etc.
We are a small dedicated company offering tailor made services to suit customer requirements.