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I’m building a proof-of-concept noise-reduction module destined for consumer-grade electronics. My priority is an electronic schematic that delivers two core capabilities: active noise cancellation and echo reduction. The circuit must be small enough to embed in another typical product that will be mentioned later on as the project develops. Here’s the flow I have in mind. First, we collaborate on the signal-processing topology—feed-forward, feedback, or hybrid—then translate it into a detailed schematic and PCB layout (Altium, KiCad, or your preferred EDA). Once the draft design is ready, I’ll need simulations or bench measurements that prove at least 20 dB attenuation in the 50 Hz–2 kHz band while holding latency under 10 ms; please include SPICE plots or MATLAB/Simulink data to back this up. As well as the ability to provide delta, alpha, omega, beta, and brain waves as a switch or an option. A concise bill of materials with readily available components is essential so I can move straight to prototyping. Deliverables • Complete annotated schematic (PDF + native file) • PCB layout and Gerber/ODB++ files • BOM with part numbers and expected lead times • Performance report: simulation logs or lab screenshots demonstrating ANC and echo metrics I’m happy to iterate quickly, so provide milestone files as you go—schematic first, then layout, then test results. If something in the passive realm could complement the active approach, let’s discuss, but passive isolation is not the main focus right now. Ready to start as soon as you are.
Project ID: 40687186
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53 freelancers are bidding on average $563 USD for this job

Hi, I am an embedded systems engineer with over 16 years of experience developing compact mixed-signal electronics, DSP-based audio systems, multilayer PCBs, and consumer-grade products from concept through prototype and production. I can help select the most suitable feed-forward, feedback, or hybrid ANC topology, then deliver the annotated schematic, PCB source files, fabrication outputs, procurement-ready BOM, and supporting simulation or bench-test report in milestones. I will design around low latency, component availability, layout-sensitive audio performance, and practical integration into the final host product. The ANC and echo-reduction targets will be evaluated against the microphone, speaker, enclosure, and acoustic-path constraints, since these directly determine achievable attenuation. I can also support firmware/DSP tuning and prototype bring-up if required. Before starting, I would like to clarify whether “delta, alpha, omega, beta, and brain waves” means selectable frequency generation, filtering of EEG bands, or playback/modulation of stored signals. Please also confirm the expected microphone/speaker arrangement, target board dimensions, supply voltage, and whether physical prototype assembly and laboratory measurements are included or simulation is sufficient for this phase. Please contact me to discuss details.
$750 USD in 14 days
7.7
7.7

Hi, I can help develop the compact ANC and echo-reduction hardware, starting from the signal-processing architecture and moving through schematic, PCB and prototype validation. I can work on the microphone/audio input, low-noise analog front end, ADC/DAC or audio codec, DSP/MCU processing, amplifier/output stage and required filtering. The design can be structured to support feed-forward, feedback or hybrid ANC depending on the target application. I can also implement selectable signal-processing modes for the requested delta, alpha, omega, beta and brain-wave-style outputs, with the exact frequency ranges and waveform requirements defined during the design stage. I’ll provide the native schematic/PCB files, BOM, Gerbers and simulation/test documentation. The design will be optimized for low latency, compact size and readily available components, with the target of validating the 50 Hz–2 kHz attenuation and <10 ms latency through simulation and/or bench testing. Please share the intended product/application, microphone and speaker specifications, supply voltage and any preferred MCU/DSP so I can propose the most suitable architecture and start with the schematic milestone.
$500 USD in 7 days
7.4
7.4

With over 8 years of verified experience as an Electrical/Electronics Engineer, one of my specialties has become PCB designing, which includes the circuit board and PCB Layout with the use of Altium, KiCAD, and several other necessary systems. My recent certification from EasyEDA further fortifies my expertise in utilizing industry-standard technology effectively. This guarantees that I can develop a compact electronic schematic that ticks all your requirements for your noise reduction module. Throughout my career, I've successfully designed circuits attaining similar noise-canceling goals like the ones you described: a minimum of a 20 dB attenuation in the 50 Hz–2 kHz band, latency under 10 ms. I've also effectively used SPICE plots and MATLAB/Simulink to validate these metrics leaving no room for uncertainties. My approach to work is highly collaborative just as you required; it even stretches further to keeping you constantly updated on milestones achieved. To complement these skill sets, my ability to analyze Bill of Materials (BOM) and provide concise options for readily available components on time will ensure a steady and faster project advancement. Given our joint commitment to turning your idea into reality, let's get started right away on providing you with a Pitch: noise cancellation prototype design that surpasses all expectations!
$500 USD in 7 days
7.0
7.0

Hi, This is a project I’d be very interested in working on. I have 10+ years of hands-on experience in electronics, PCB design, embedded systems, and signal-processing related hardware. For your module, I can work with you on selecting the right ANC topology (feed-forward, feedback, or hybrid), then develop the complete schematic and compact PCB in KiCad or Altium. I can also handle the simulation/validation side using SPICE and MATLAB/Simulink, with focus on achieving the required 20 dB attenuation from 50 Hz–2 kHz while keeping latency below 10 ms. The selectable delta, alpha, omega, beta, and brain-wave signal options can also be incorporated into the design as configurable inputs/modes. I’ll provide the annotated schematic, PCB/Gerbers or ODB++, production-ready BOM, and performance/test documentation in milestones. I can start immediately and would be happy to review your initial requirements and discuss the best architecture before schematic development.
$500 USD in 5 days
6.9
6.9

Hi there, I carefully reviewed your requirements and can develop the complete noise-reduction module from signal-processing architecture through schematic, PCB layout, and performance validation. I have experience with mixed-signal electronics, audio interfaces, DSP-oriented embedded hardware, power supplies, analog filtering, and compact PCB design using Altium Designer and KiCad. I can evaluate feed-forward, feedback, or hybrid ANC architectures and design the microphone, codec/ADC-DAC, processing, filtering, and amplification stages required for low-latency operation. The design can also include selectable delta, alpha, theta, beta, or other requested low-frequency waveform-generation modes as a separate configurable function. I can provide simulation and measurement documentation targeting your 20 dB attenuation and <10 ms latency requirements, with final achievable performance validated against the actual acoustic/mechanical configuration. You will receive the annotated schematic, PCB/Gerber files, production BOM, source files, and performance report, with milestone delivery starting from the schematic. Just send me a message with the intended product environment and audio specifications, and I can get started quickly. Best regards, Samuel tshibangu
$500 USD in 2 days
6.5
6.5

Hi, I’m a Senior Embedded Systems & PCB Engineer with 10+ years of experience in mixed-signal, audio, and embedded hardware, delivering production-ready designs and simulation-validated prototypes. I’ve designed compact 4-layer PCBs, analog signal chains, low-latency MCU systems, and completed schematic-to-Gererber/BOM workflows for 20+ hardware projects. Approach ✅ I’ll define the ANC/echo topology (feed-forward, feedback, or hybrid), microphone/speaker interfaces, ADC/DAC path, DSP/MCU, and latency budget to target ≥20 dB attenuation from 50 Hz–2 kHz and <10 ms latency. ✅ I’ll develop the complete Altium/KiCad schematic with low-noise analog layout, power filtering, grounding, decoupling, and EMC considerations, including selectable delta/alpha/omega/beta brain-wave signal modes. ✅ I’ll optimize the compact PCB layout and provide manufacturing-ready Gerber/ODB++ files, BOM, and component availability/lead-time data. ✅ I’ll validate the design using SPICE, documenting attenuation, phase/latency, echo performance, and key simulation/bench results. Questions ✅ Can you specify the microphone/speaker type, supply voltage, target PCB dimensions, and required audio interface? ✅ What exactly do you mean by generating delta, alpha, omega, and beta brain-wave signals—test waveforms for DSP validation or actual output signals? Best, Yaroslav
$500 USD in 7 days
5.5
5.5

⭐⭐⭐⭐⭐ Hi, I went through the requirements carefully. The main challenge here is getting real ANC/echo performance in a very small embedded design while keeping latency below 10 ms and achieving the requested 20 dB attenuation across 50 Hz–2 kHz. I’d approach the topology first, then move into schematic, PCB and measured validation rather than designing the hardware in isolation. I can develop the compact electronics around the selected feed-forward, feedback or hybrid architecture, with readily available components and a clean BOM for prototyping. I’ll also provide the requested schematic, PCB/Gerbers, simulation or bench results, and milestone files throughout the development. The brain-wave options (delta, alpha, beta, omega) need clarification: if these refer to selectable generated signal profiles, I can incorporate them as configurable outputs; if you mean physiological EEG signals, the architecture will be different. I’d suggest 4 milestones: ANC/echo topology + component selection Schematic + SPICE/MATLAB validation PCB layout + manufacturing files Bench testing + performance report One question before starting: do you already have the target product, microphone/speaker characteristics, supply voltage, and maximum PCB dimensions? Those will strongly affect the acoustic model and final layout.
$500 USD in 7 days
5.6
5.6

Hello, I’m an Electrical/Electronics Engineer with 15+ years of experience in analog/digital circuit design, embedded systems, PCB design, signal conditioning, and product development. I can help develop your compact ANC and echo-reduction proof of concept from topology through tested hardware. I can handle: • Selection of feed-forward, feedback, or hybrid ANC architecture • Complete analog/digital schematic and compact PCB layout • Microphone, ADC/DAC, amplifier, filtering, and signal-conditioning design • Echo-reduction and low-latency signal-processing architecture • SPICE/MATLAB/Simulink analysis and performance verification • Targeting ≥20 dB attenuation from 50 Hz–2 kHz with <10 ms latency • Selectable Delta, Theta, Alpha, Beta, and Gamma waveform/frequency options • BOM with readily available, cost-effective components and part numbers • Production-ready Gerbers/ODB++, native Altium/KiCad files, and documentation • Performance report with simulation plots or laboratory measurements I can structure the work into clear milestones: signal-processing topology, schematic, PCB layout, and final testing/results. I’ll also consider passive isolation where it can improve overall performance without unnecessarily increasing size or cost. My experience with embedded C/C++, STM32, analog/digital electronics, PCB design, and product prototyping allows me to address both the hardware and real-time processing requirements. Best regards, Electrical/Electronics Engineer
$250 USD in 5 days
5.4
5.4

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message for my previous designs and also so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq
$500 USD in 7 days
5.3
5.3

As an experienced electrical engineer with a strong focus on circuit design, I believe I am the perfect fit for your noise cancellation prototype project. Throughout my career, I’ve demonstrated expertise in developing innovative solutions just like the one you’re seeking. I have a deep understanding of signal-processing topologies, particularly feed-forward, feedback, and hybrid systems mentioned in your project description, and would leverage this expertise to design a detailed schematic and PCB layout fitting your exact specifications. In addition, my proficiency in EDA programs such as Altium and KiCad coupled with my ability to conduct robust simulations and bench measurements will ensure that the final design meets or exceeds your performance requirements - at least 20dB attenuation in the 50 Hz – 2 kHz band, less than 10ms latency - with proof provided via SPICE plots or MATLAB/Simulink data. Moreover, I am skilled in producing succinct Bills of Materials with readily available components aiding swift prototyping. Lastly, my commitment to efficient collaboration is evident in my propensity for providing milestone files as the project progresses. I understand that iteration plays a pivotal role in producing a refined prototype that matches your expectations. Therefore, I assure you maximum transparency and regular updates on schematic drafts, layout plans, and test results
$500 USD in 7 days
4.9
4.9

✅✅✅✅✅ I understand you’re looking for a compact proof-of-concept module where the real challenge is integrating ANC, echo reduction, low latency and measurable performance—not simply drawing a schematic. I’d start by defining the acoustic/DSP architecture and reference paths, comparing feed-forward, feedback and hybrid ANC. I’d then select the codec/ADC/DAC, DSP/MCU and analog front end around the <10 ms end-to-end latency target, while keeping the PCB practical for integration into a consumer product. For validation, I’d model the signal chain in SPICE and/or MATLAB/Simulink, then verify the design with bench/acoustic measurements targeting ≥20 dB attenuation across 50 Hz–2 kHz. I’ll also account for filtering, buffering and acoustic-path delays when calculating latency. Milestones ANC/echo architecture + component selection Annotated schematic + simulation Compact PCB layout + Gerbers/ODB++ BOM with MPNs/availability Bench validation + performance report One point I’d clarify early: delta/alpha/beta are standard EEG bands, while omega is not; I can implement the intended selectable waveform/band options once you define what those outputs represent. Would you prefer DSP/MCU-based, dedicated audio-processor, or hybrid architecture?
$500 USD in 7 days
4.4
4.4

Hi, I am an Embedded Engineer and PCB Designer with 10 years of experience, providing PCB design, analog circuits, DSP, and embedded hardware development. In my opinion, a hybrid ANC solution with low-noise microphones, audio ADC/DAC, and low-latency DSP is a good fit for achieving strong noise and echo reduction. This project is very similar to my previous work. I have designed compact mixed-signal PCBs with analog front ends, MCU-based processing, and production-ready layouts. I also have experience with SPICE simulation and signal filtering for noise-sensitive applications. The key skill here is low-latency audio signal processing. I will optimize the complete signal path and validate attenuation and latency through simulation and testing. So, I will divide your project into three major steps. 1️⃣ Design the ANC/echo signal architecture and schematic. 2️⃣ Complete the compact PCB layout, BOM, and manufacturing files. 3️⃣ Simulate and test the design, then provide the performance report. Via private chatting or meeting, I will provide the creative idea and good tech solution for your project. Best regards, Maksym
$500 USD in 7 days
4.1
4.1

As an experienced electrical engineer and embedded systems specialist, I not only bring a deep technical knowledge of your project's needs but also a strong commitment to quality and deadlines. My wide range of experience with a variety of microcontroller platforms including STM32, ESP32, and ARM Cortex-M, aligns perfectly with your need for active noise cancellation and echo reduction capabilities within a small form factor. I am well-versed in the EDA tools you mentioned - Altium, KiCad - and can deliver the required files over the course of our milestone-set project. Finally, communication is crucial to ensure your project's success. I understand this deeply; I have no qualms embracing iteration and delivering milestone files regularly throughout your project's progression. My focus on clean documentation will ease our collaboration; providing you concise bills of materials with readily available components to expedite prototyping tasks. Overall, with my skills in electrical engineering, embedded systems design and PCB layout complemented by my practical approach to problem-solving and commitment to clean documentation; I believe I am the best fit for turning your proof-of-concept into reality. Let's nail that 20dB attenuation target together!
$250 USD in 10 days
3.9
3.9

Hello, I have read your requirements. I am a Chinese embedded hardware engineer with 8 years of mixed-signal and audio DSP design experience. For your ANC and echo reduction module, I recommend a hybrid feed-forward plus feedback topology using a dedicated audio codec with built-in DSP, such as the TI TLV320AIC series or Analog Devices ADAU series. This keeps latency under 10ms while achieving your 20dB target in the 50Hz-2kHz band. For the brain wave option, I will add a selectable analog filter bank covering delta, theta, alpha, beta, and gamma bands. This feeds the same DSP input as a switch-selected option, so no extra processing load is added to the ANC path. I will deliver schematic first as a milestone, clearly annotated with signal flow, power domains, and filter blocks. Then PCB layout and Gerber files. For performance proof, I will run SPICE simulation on the analog stages and provide MATLAB plots showing ANC attenuation and group delay. If you already have a preferred DSP chip or codec, I can work with that. BOM will use parts from Mouser, Digi-Key, and LCSC with lead times noted. Module footprint target is under 40x40mm. Best regards, ShengLin Gu.
$500 USD in 7 days
3.5
3.5

I’m ready to move this forward as a proof-of-concept ANC and echo-reduction module. I’ll structure the work in milestones so you can review and iterate quickly: first the signal-processing topology, then a detailed schematic, then PCB layout, and finally validation artifacts. Given the compact consumer-electronics target, I’ll optimize for a small, integration-friendly implementation and keep the BOM focused on readily available parts. I can also incorporate selectable modes for delta, alpha, omega, beta, and brain waves as an option in the control architecture, provided the intended input/output handling and use case are defined clearly. For the performance target, I’ll align the design around the stated 20 dB attenuation in the 50 Hz-2 kHz band with latency under 10 ms, and provide simulation-backed evidence where possible through SPICE or MATLAB/Simulink outputs. If passive elements can strengthen the result without compromising size or latency, I’ll include them in the design review. Deliverables will be organized as: annotated schematic, PCB/Gerber files, BOM with lead times, and a concise performance report with the strongest available evidence at each milestone.
$650 USD in 8 days
2.6
2.6

Hello, The challenging part of this design is not only achieving noise reduction, but selecting the right signal-processing architecture that can meet strict latency and attenuation targets within a compact embedded system. ANC performance depends heavily on topology, acoustic assumptions, processing delay, and hardware limitations being considered together from the beginning. We’d approach this by first validating the ANC and echo cancellation architecture through simulation, then moving into schematic and PCB development with component availability, size constraints, and measurable performance as key design factors. The verification stage would focus on proving the required attenuation and latency before prototype decisions are finalized. One important question: regarding the requested delta, alpha, omega, beta, and brain wave options, are these intended as bio-signal generation features, detection/filtering modes, or a separate functionality within the module?
$250 USD in 1 day
2.8
2.8

Hi there, I'm a licensed professional engineer with 20+ years of experience in electronics and embedded systems. I understand you're looking to develop a compact noise cancellation and echo reduction module for consumer electronics, with a focus on both active circuitry and verifiable simulation or bench proof of performance. - Collaborate with you to select the best signal-processing topology for ANC and echo reduction - Develop a detailed, annotated schematic in your preferred EDA tool - Design a compact PCB layout and supply Gerber/ODB++ files for manufacturing - Prepare a concise BOM with part numbers and estimated lead times for easy sourcing - Deliver a performance report with simulations or measurements showing 20 dB attenuation in 50 Hz–2 kHz and low latency, including the required brainwave switching options I’ve previously designed low-latency ANC circuits and compact PCBs for audio and biomedical prototypes with similar performance requirements. Could you share if you have a preferred microcontroller or DSP family for this project, or are you open to recommendations? I look forward to working with you. Best Regards, Robert
$350 USD in 2 days
0.0
0.0

Hi, If this is an electrical or electronics project, I'm a licensed professional engineer. I understand you're looking to create a small proof-of-concept module for active noise cancellation and echo reduction, with a focus on schematic design, performance validation, and a clear BOM for quick prototyping. I have 20+ years of experience in electronic circuit design, signal processing, and embedded systems, and have worked on noise reduction and audio processing modules for consumer devices. - Collaborate on selecting and refining the right ANC/echo topology (feed-forward, feedback, or hybrid) - Deliver a detailed, annotated schematic in both PDF and native EDA file formats - Provide a PCB layout and all necessary fabrication files for manufacturing - Supply a concise BOM with available components and estimated lead times - Share clear simulation/MATLAB results proving performance in the 50 Hz–2 kHz band with under 10 ms latency I've completed similar ANC and audio design projects, including compact modules for wearable and IoT devices. Could you clarify if you require the brain wave options (delta, alpha, etc.) as selectable filter presets in the signal processing path? If you select me, I will satisfy you. Best Regards, Richard
$250 USD in 2 days
0.0
0.0

I have experience with embedded electronics, PCB design, signal processing, SPICE simulation, MATLAB/Simulink, and Altium/KiCad. I can develop the ANC and echo-reduction architecture, translate it into a compact schematic and PCB, and validate the design against your 20 dB attenuation target across 50 Hz–2 kHz with latency under 10 ms. I can also incorporate selectable signal-generation modes for delta, alpha, beta, and omega brain-wave frequencies, with a clear BOM using readily available components. I’ll provide the schematic, PCB/Gerber files, BOM, and simulation or bench-validation report through milestone-based delivery. I can start immediately and would be happy to review the target enclosure, available power constraints, and preferred hardware platform.
$500 USD in 7 days
0.0
0.0

I’ll design the ANC/echo-reduction electronics using a feed-forward/feedback/hybrid signal topology, then implement it as a compact schematic + PCB in KiCad or Altium. For verification, I’ll run SPICE and MATLAB/Simulink co-simulation, and define measurement-ready test procedures to demonstrate ≥20 dB attenuation from 50 Hz–2 kHz with <10 ms latency. Milestone 1: annotated schematic (PDF + native) with gain/phase targets for the two-stage noise cancellation path and echo-reduction filter, plus an option switch enabling delta/alpha/omega/beta/brain-wave modes for your consumer-product integration. Milestone 2: PCB layout + Gerber/ODB++ optimized for low-noise analog routing and compact enclosure fit. Milestone 3: performance report with SPICE plots and/or lab-style screenshots, and a concise BOM using readily available components with part numbers and lead times. Passive isolation add-ons are optional if they improve real-world attenuation.
$500 USD in 7 days
0.0
0.0

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