[MathWorks](https://www.mathworks.com/) will be hosting the next BISH Bash on Thursday, May 16th! Please, join us for some talks, networking, and bites. See below for the agenda and abstracts of the talks.

We highly encourage in-person attendance if possible, but we will offer a livestream & recording of the talks as well.

[Join the livestream here](https://teams.microsoft.com/l/meetup-join/19%3ameeting_ZjllYWRlNmEtYzgzMi00NTU4LWE2YjMtYjA0MDFkNDVkNDNl%40thread.v2/0?context=%7b%22Tid%22%3a%2299dd3a11-4348-4468-9bdd-e5072b1dc1e6%22%2c%22Oid%22%3a%22cf968fd7-7a19-48aa-b975-0841d6ecdd11%22%7d)

**Agenda**

* 6:00pm: Networking
* 6:30pm: Spatial audio modeling - Francis Tiong, MathWorks
* 7:00pm: Simulating a clarinet - Stephen Thompson, Penn State University
* 7:25pm: Neural Network deployment tuning - Brenda Zhuang, MathWorks
* 7:50pm: Remixing music for hearing aids - Matthew Daly, MathWorks
* 8:15pm: Reactive Sampling and Beat Pizza Slicing – Eyal Amir, Modalics
* 8:40pm: More Networking

**Abstracts**

* **Spatial audio modeling**

MathWorks is renowned for offering valuable tools in signal processing. In this session, I will present an example of ray tracing that allows for the positioning of loudspeakers and microphones anywhere within a 3D environment, with the capability to render the sound received. Furthermore, we will explore subjects including beamforming and head-related transfer functions (HRTF).

* **Simulating a clarinet**

I will present a physical model that replicates a system similar to a clarinet, providing an accurate physical simulation of the playing characteristics found in reed woodwind instruments. Utilizing Simscape/Simulink from MathWorks, this model simulates the acoustic behavior of the air column that resonates within a woodwind instrument. It is based on the assumption that the blowing pressure from the player's mouth is generated by an acoustic pressure source whose amplitude changes over time. The difference in acoustic pressure across the reed triggers its movement. This, in turn, causes the gap between the reed and the mouthpiece tip to fluctuate, controlling the air flow into the mouthpiece based on the gap's instantaneous size.

* **Practical workflow to compress neural networks for deployment**

Implementing a neural network on a fixed-point processor introduces the challenge of striking a balance between the processing workload and the accuracy of the outcomes. In this session, we will outline how to efficiently perform fixed-point quantization and pruning using MATLAB's tools. The practical approach is demonstrated through an application of acoustic example. We will also introduce a Python co-simulation framework to boost workflow flexibility and efficiency.

* **Remixing music for hearing aids**

This paper introduces our system submission for the Cadenza ICASSP 2024 Grand Challenge, which presents the problem of remixing and enhancing music for hearing aid users. Our system placed first in the challenge, achieving the best average Hearing-Aid Audio Quality Index (HAAQI) score on the evaluation data set. We describe the system, which uses an ensemble of deep learning music source separators that are fine tuned on the challenge data.

* **Reactive Sampling and Beat Pizza Slicing**

Modalics specializes in uniquely inspiring plugins for music composition & production. In this talk, Eyal Amir, Modalics CTO, will discuss non-traditional sampling and sequencing techniques used in their latest products like Beat Scholar and MINDst Drums, focusing on reactive sampling and beat pizza slicing. The talk will include live demos and examples of this technology, but unfortunately no physical pizza.

**Directions**
The event will be held on the walk-in level of the building. If you are coming from 101 freeway, take the Great America Pkwy exit. There is a huge parking structure beside the building and it is free. A simple map is attached below. EV charging available in the parking lot.

Zafar Rafii

Francis Tiong

Camille Noufi

Oriol Nieto

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