#Signal Processing

[delimited-continuation]

[wangleline]

I built my own little artifact-heavy midi harmonizer

[technological-existentialism]

[noisytenant]

[research-and-survive]

13/03/2024

Here we go again, another day looking at EEG data and pretending I actually know what I’m doing 🙃

I have a meeting at 11 a.m so, obviously I stopped being able to focus on anything at 10 a.m

At least I have yet to feel like I suck at everything this week, although it’s only Wednesday, I have time!

[andmaybegayer]

Got a cheap bluetooth dongle so I can get bluetooth audio on my PC.

(Yes I know I recommend everyone have a wireless card in their desktop purely for this eventuality. I have a motherboard that can accept a wireless M.2 card. I just didn't use it. I have plans.)

Anyway. I finally have a good driver stack and hardware to try SBC-XQ. Didn't want to work on my laptop for some reason. I think that SBC-XQ is the funniest bluetooth codec. Sony and Qualcomm put quite a lot of proprietary effort (and patents) behind LDAC and Apt-X HD respectively but Shannon is the deadliest son of a bitch in the world of information transmission so it turns out just juicing the bitrate on SBC to 512kbps comes out more or less perceptually identical to Apt-X HD at 512kbps. SBC-XQ requires absolutely zero other changes and is often completely backwards compatible.

LDAC/LHDC pushes more detail but at its highest bitrate it needs a stupendous ~1000kbps and is, once again, basically indistinguishable from SBC-XQ in all but the most perfect listening environments.

Truly the 320kbps Opus of Bluetooth codecs.

[datascienceunicorn]

HT @dataelixir

[extraplugins148]

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[vbsemi-mosfet]

Application of VBE1638 MOSFET in Automotive Instrument Control Unit: Enhancing Power Management and Signal Processing

With the continuous advancement of automotive electronics technology, the Instrument Control Unit (ICU) serves as a crucial module in automotive electronic systems, responsible for processing and displaying key vehicle information. To meet the high demands for efficiency and reliability in modern vehicles, the ICU module requires superior performance in power management and switching control. The VBE1638 MOSFET, launched by VBsemi, provides an ideal solution with its excellent electrical characteristics, significantly improving the efficiency of signal processing and power management in ICU modules.

Efficient Power Management The ICU module must achieve stable power management under various load conditions, and the VBE1638, with its 60V drain-source voltage and maximum drain current of 45A, meets the demands of high-power applications. Utilizing advanced trench technology, it reduces on-resistance (with a typical value of only 25mΩ), which minimizes power loss, enhances power management efficiency, reduces heat generation, and extends the lifespan of the device.

Precise Signal Processing Precise signal processing is critical in automotive ICU modules, especially when dealing with complex sensor data. The VBE1638 MOSFET, with its low threshold voltage of 1.7V, enables quick response, ensuring the circuit can switch rapidly and adapt to different working states. Its +20V gate-source voltage (V_GS) ensures high reliability and stability in various driving environments.

Robust Thermal Performance The automotive environment is highly demanding, requiring ICU modules to operate stably over long periods under high temperatures, vibrations, and current fluctuations. The VBE1638, packaged in a TO252 casing, offers excellent thermal performance, effectively preventing overheating in high-temperature environments, ensuring long-term stable operation, and reducing vehicle system maintenance costs.

Application Advantages The VBE1638 MOSFET is widely used in automotive instrument control unit modules, with optimized power management and power control performance ensuring reliable operation under varying load conditions. Whether in power management systems or complex control scenarios, the VBE1638 delivers stable and efficient performance.

Product Specifications

Model: VBE1638

Package: TO252

Polarity: N-channel

Drain-Source Voltage (VDS): 60V

Gate-Source Voltage (VGS): +20V

Threshold Voltage (Vth): 1.7V

On-Resistance (RDS(on) @VGS=4.5V): 30mΩ

On-Resistance (RDS(on) @VGS=10V): 25mΩ

Maximum Drain Current (ID): 45A

Technology: Trench

Other Applicable Areas

Power Tools: In the power tool sector, such as drills and hammers, MOSFETs provide stable power output. With its high current-handling capacity and low on-resistance, the VBE1638 is an ideal choice for these modules, ensuring high efficiency and stable performance under heavy workloads.

Industrial Automation: The VBE1638 is suitable for industrial automation equipment, including PLC controllers and motor drivers, supporting efficient automation and continuous innovation in smart manufacturing systems.

LED Lighting: In LED lighting applications, the VBE1638 is used in LED driver modules, providing stable and efficient power support, ensuring long life and low energy consumption for LED lamps, streetlights, and landscape lighting products.

As a high-performance MOSFET designed for automotive instrument control unit modules, the VBE1638 excels in power management and signal processing. Whether in complex signal processing scenarios or high-load power management, it helps enhance the overall efficiency and stability of ICU modules. As automotive electronics continue to evolve, the VBE1638 will play a vital role in more automotive applications, contributing to the innovation and upgrading of automotive electronic systems.

[constelli1122]

Constelli - A Signal Processing Company in Defense and Aerospace

Constelli is a signal processing company solving problems in Defense and Aerospace fields.

[cyclostationarity]

Signal Processing

Signal processing is the enabling technology for the generation, transformation, extraction, and interpretation of information. It comprises the theory, algorithms with associated architectures and implementations. Visit online to lean more!

[wangleline]

re: my last post, here's a much more intense version with more artifacts and weird shit happening in the midi harmonizer

[tradewithaan]

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[bluemanedhawk]

r u signal

I'd quite like to think that what i make is parsable as information by everyone.

[research-and-survive]

I am lost

Starting a project that is completely new to you is super interesting, but there is always that really slow learning period...

I just started a neuro-rehabilitation project, which I think is awesome, but the thing is, I don't know how to do almost anything right now, which is frustrating!!

I studied signal and image processing in college, but didn't really used it for about 4 years. I thought it would be fine and it would be just remembering things... It is nothing like that, because this is so much more specific and I am just completely lost in all of this...