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Sistema de simulación avanzada de arreglos de audio en 3D de gran velocidad y alta fidelidad disponible para licencia

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOUK20180517001
Publicado:
24/05/2018
Caducidad:
25/05/2019
Resumen:
Una organización británica de transferencia de tecnología especializada en comercialización e investigación de tecnologías de defensa y seguridad está interesada en licenciar un sistema de simulación avanzada de arreglos de audio en 3D de gran velocidad y alta fidelidad. Este nuevo sistema genera simulaciones más rápidas y precisas de arreglos de audio para mejorar la experiencia de usuario y reducir costes. Esto se consigue gracias a un algoritmo avanzado en 3D. El método es aproximadamente mil veces más rápido que las técnicas convencionales en generar respuestas de frecuencia en 2D y 3D de un arreglo de micrófonos. Por ejemplo, si se utilizan procesadores comparables, un proceso computacional que tardaría 8 horas puede completarse ahora en 30 segundos. La empresa busca desarrolladores de equipos de audio y proveedores de servicio que realicen análisis del rendimiento de arreglos de audio con el fin de establecer acuerdos de licencia.

Details

Tittle:
High-speed high-fidelity 3D advanced audio array simulation is available for license
Summary:
A technology transfer organisation in the UK that specialises in the commercialisation of defence and security technology research is licensing a high-speed high-fidelity 3D advanced audio array simulation system. The novel system generates faster, more accurate simulations of audio arrays to improve user experience and reduce costs. The company is looking to license out this technology to audio product developers and service providers that undertake performance assessments of audio arrays.
Description:
Simulation and modelling of audio arrays is computationally slow and the results lack fidelity. Deployed systems are typically therefore under-optimised either because it is not cost-effective to apply current analysis techniques, or ineffective due to changes in the deployed environment. The current solution is to deploy numerous microphones in order to achieve an acceptable level of performance. However, this results in an unnecessarily large number of microphones in the array while still resulting in sub-optimal performance.

A leading UK technology transfer organisation has developed a new analysis technique that provides accurate real-time simulations which will allow the development of cost-effective, high performance 3D audio arrays into a wide range of products and services. The advanced audio array simulation is a computationally much faster and accurate method to generate the frequency responses of a microphone array. This is achieved with an advanced 3D algorithm. This method is approximately 1,000 times faster than classical techniques at generating 2D and 3D frequency responses of a microphone array. For example, using comparable processors, a computational process that would take 8 hours can now be completed in 30 seconds. This method also allows a significant reduction in the number of microphone elements required while also improving performance. A prototype has been developed and compared with a leading commercially available microphone array. Measurement of the 3D Directivity Index (DI) has shown that the commercially available system comprising 70 microphones could be outperformed by a 16-element array.

The advanced audio array simulation can be used to calculate the optimum response from an array and determine the physical configuration required in order to achieve it. Alternatively, an array of randomly positioned elements can be modelled in order to achieve the best performance possible. Measurements of the deployed array can then be analysed to confirm the desired response is being achieved. If required, this information can then be used to adjust the beamforming algorithm to improve or maintain the performance of the array. This makes it particularly beneficial for systems deployed in dynamic environments with challenging and/or noisy situations.
Applications of this new technique include any system with multiple receive (microphones) or transmit (speakers) elements that conform to the wave equation:
- Event recording - concerts, sports.
- Voice recognition - virtual assistants, e.g. Amazon Echo and Google Home.
- Immersive Audio - gaming / home cinema.
- Automotive - beamforming for music / calls.
- Medical - improvements to ultrasound.
- Smartphone - improved microphone arrays, e.g. for teleconferencing.

The company is looking to offer this technology to audio product developers and service providers that undertake performance assessments of audio arrays under a license agreement.
Advantages and Innovations:
- Improved Quality of Service - performance improvement delivers better user experience.

- Dynamic - optimal performance is maintained in changing environments.

- Reduced Size and Cost - fewer microphones in the array.

- Power Reduction - less processing required by fewer microphones.
Stage of Development:
Available for demonstration
IPs:
Copyright

Partner sought

Type and Role of Partner Sought:
The company is looking to license out this new technique to companies involved in the development of products or sub-systems containing audio arrays (e.g. smartphones, automotive, surround sound), and/or companies that provide a service to establish the performance of a given audio array.

Client

Type and Size of Client:
Industry SME 11-49
Already Engaged in Trans-National Cooperation:
Si
Languages Spoken:
English

Keywords

Technology Keywords:
01003022 Aplicaciones inteligentes
01006001 Audiovisual Equipment and Communication
01006011 Informática aplicada a descripción de música y sonido
01003017 Speech Processing/Technology
03007 Tecnología / ingeniería del sonido