Audio Word Processor

Wireless Audio Effects Processor

Our final project will be designing and implementing an audio system in which the audio signal is input, wirelessly transmitted, audio filtered and equalized. The audio is inputted through a microphone and is digitized using an Analog-To-Digital converter with the LM4550 AC’97 Codec. The audio signal is then compressed using the Discrete Cosine Transform (DCT) and is wirelessly transmitted and ...

The EMU10K1 digital audio processor

CollideFx: A Physics-Based Audio Effects Processor

CollideFx is a real-time audio effects processor that integrates the physics of real objects into the parameter space of the signal chain. Much like a traditional signal chain, the user can choose a series of effects and offer realtime control to their various parameters. In this work, we introduce a means of creating tree-like signal graphs that dynamically change their routing in response to ...

A Reconfigurable Audio Beamforming Multi-Core Processor

Over the last years, the Beamforming technique has been adopted by the audio engineering society to amplify the signal of an acoustic source, while attenuating any ambient noise. Existing software implementations provide a flexible customizing environment, however they introduce performance limitations and excessive power consumption overheads. On the other hand, hardware approaches achieve sig...

A DSP-Based Audio Signal Processor

The ASP consists of several components: a digital beat-frequency oscillator (BFO), selectable band-pass filters for CW, SSB and other digital modes, a denoiser based on the least-mean-squares (LMS) technique and a Wiener-filter autonotcher (removing carriers or heterodynes). Several advanced concepts are applied in this project, such as multirate processing, adaptive filtering and frequency shi...