Digital Signal Processing Jobs

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Hourly - Expert ($$$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
Looking for an experienced Audio DSP software programmer + GUI creator preferably well versed in C/C++, Visual DSP, Matlab, Keil, Sigma studio, Python, VST/ JUCE . Project includes programming on embedded platform to create an audio product which involves setting real-time setting for various types of filters, audio delay processing,EQ etc. Should also know creating of GUI skin + its interface between the product hardware and PC thru ethernet or USB. Should have a good understanding of various processor families such as Analog devices Sigma & SHARC, STM32, TI minidsp, XMOS audio USB 2.0 driver application.
Skills: Digital Signal Processing C C# C++
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
Hello guys, I am looking for an audio engineer who has already experience in building microphone array systems. With beamforming / far field technology I want to record the human voice and do filtering for a voice recognition system. Several goals should be reached on the way: - consulting on beamforming/far field technology - give overview on available HW options on voice recognition - design HW layout (microphone array, DSPs...) At the moment it is not defined how long this project will run. But anything from 1 month to 1 year is possible since we will build a consumer product.
Skills: Digital Signal Processing Audio Engineering
Hourly - Intermediate ($$) - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Por lanzamiento de un proyecto de pantallas remotas, requerimos estudiar ofertas de empresas o profesionales que implemente y administre el contenido digital en una plataforma Signage. Aunque manejamos AirStudio aceptamos propuestas de plataformas que ya sean de dominio del freelancer y que se encargue de darnos el soporte y la administración de contenido. Se valorará mucho plataformas que ya integren (o puedan desarrollar) reconocimiento de perfil de visitantes (Edad, género, Número de personas que ingresan), estadísticas en general. Adicional plataformas que puedan gestionar remotamente los players. (Player Seleccionado es Intel Computer Stick) La parte indispensable es encargarse de crear el contendido: Sport de marcas de nuestros clientes, Video Mapping (en ciertos proyectos específicos), publicidades emergentes. Podremos llegar a un acuerdo de pago mensual por administración de contenido en su plataforma y pagos puntuales por cada proyecto de diseño específico. Ejemplo de Un proyecto para Octubre: Un árbol de Navidad 3D con efecto Mapping. La gestión es remota, pero requerimos proveedores con experiencia y con proyectos similares en marcha.
Skills: Digital Signal Processing Digital Mapping Digital painting Graphic design
Fixed-Price - Intermediate ($$) - Est. Budget: $2,500 - Posted
Require an Experienced RF Engineer to produce a detailed design for the following complete with AutoCad drawings, verifiable files for a RF software simulation tool, and gerber files/ component list etc. for PCB layout and manufacturing. Provide operational detailed narrative as well: 1) Provide a solution where a reference analog waveform within a certain bandwidth having a certain peak frequency can be sampled,digitized and compared with a desired analog waveform within a certain bandwidth having a certain peak frequency, which is also sampled and digitized. 2) Once both waveform frequencies are compared, if a match is found between reference input waveform frequency and desired input waveform frequency,the output will be a TTL logic 1. (provide option for inverted output to this TTL logic as well) 3) Once both waveform frequencies are compared, if NO match is found between reference input waveform frequency and desired input waveform frequency, the output will be a TTL logic 0.(provide option for inverted output to this TTL logic as well) 4) NO waveform peak frequencies outside the set reference waveform frequency should have influence on the operational logic TTL output. 5) Inputs to the system is continuous sine wave (CW) for reference peak frequency and standard RF signal envelope for desired peak frequency. 6) It is important that this solution compares the tuned and set waveform peak frequencies and not amplitude. 7) Both the reference waveform peak frequency and bandwidth and desired waveform peak frequency and bandwidth should to be adjustable/tunable/settable via laptop computer over USB connection and Ethernet. 8) System should accommodate adjustable/tunable waveform frequencies within 20MHz to 3GHz range. 9) Wave form peak frequency bandwidth should be adjustable/ settable to any bandwidth between 2MHz and 6.25 KHz. 9) Design should be verifiable on a RF software simulation tool. 10) Reference and desired RF input levels not greater than +30dBm.
Skills: Digital Signal Processing AutoCAD Digital Electronics Electronic Design
Hourly - Expert ($$$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
We are looking for individuals with hands-on development experience on Raspberry Pi platform for motion control, industrial automation and digital/analog I/O. Moreover we need to develop an interactive user interface for the operator to work with such a device on the same platform. Work can be performed largely remotely with periodic meetings with the project lead. All other arrangements are negotiable.
Skills: Digital Signal Processing Automation Circuit Design Integrated Circuits