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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: 40664962
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50 freelancers are bidding on average $495 USD for this job

With my extensive background in electrical engineering and embedded systems, I am eager to tackle this project on noise cancellation prototype design head-on. Not only do I understand the importance of active noise cancellation and echo reduction for consumer-grade electronics, but I am also skilled in delivering highly optimized, compact, and efficient solutions - just like the one you're looking for. Throughout my career, I have flexibly used different EDA suites including Altium, KiCad, EasyEDA and Target and I am more than ready to bring that proficiency along when working on your electronic schematic and PCB layout. My expertise doesn't end with designing but also conducting comprehensive simulations and measurements backed up by robust data analysis using tools such as SPICE plots or MATLAB/Simulink. Furthermore, my ability to develop not just a noise-reduction module but a complete product will align perfectly with your milestone-based deliverables where we can iterate together at each phase. This project involves a group of specialized skills ranging from signal processing to functional electronics work - all of which I possess. Choosing me means entrusting your proof-of-concept with an expert who can seamlessly transform it into reality while ensuring optimum performance and efficiency throughout the process.
$750 USD in 7 days
8.4
8.4

Hi, I am an embedded systems engineer with over 16 years of experience developing compact mixed-signal and DSP-based consumer products from concept through PCB bring-up and production, including the firmware needed to support the hardware. For this prototype, I would first define the acoustic path, microphone/speaker arrangement, and select a feed-forward, feedback, or hybrid topology based on stability and latency. I would then develop the annotated schematic, simulate the analog and DSP signal chain against the 20 dB / 50 Hz–2 kHz target, and create a compact PCB with manufacturing files and an availability-focused BOM. Milestones can follow your preferred sequence: schematic and initial plots, PCB package, then performance documentation from simulation or agreed bench testing. One important question: by delta, alpha, beta, and related brain waves, do you mean selectable frequency-band signal generation, EEG acquisition/filtering, or binaural-beat output? That feature changes the analog front end and safety requirements. I’m ready to review the intended host product, enclosure constraints, and test setup and discuss the details.
$650 USD in 14 days
7.7
7.7

Hi, I have experience in designing Circuits and can complete your project. I have expertise in the following: 1- Designing schematic and PCBA 2- Ordering the PCBA and getting boards manufactured. 3- Writing firmware for the PCBA to make sure everything works as expected. 4- I can also develop smartphone apps to communicate and control the hardware. If you wish we can discuss in chat. Thank you.
$500 USD in 7 days
7.4
7.4

With my extensive background in electrical and electronic design, I am impressed with your noise cancellation prototype project. I have deep skill sets in circuit design, embedded systems, MATLAB, PCB layout and simulation of hardware – all of which are highly relevant to executing this task. On top of that, I have a keen eye for detail - a crucial asset in delivering a concise bill of materials with readily available components. My past experience in signal processing topology will also be an added advantage as we collaborate to design an electronic schematic that can effectively achieve active noise cancellation and echo reduction at the desired level. In fact, I am confident that my work will deliver even better results – above 20 dB attenuation in the 50 Hz–2 kHz band and well within the 10ms latency range. Furthermore, my skills in PCB layout (Altium) would guarantee that the circuit is not only powerful but also compact enough to embed seamlessly into any consumer-grade electronics. Throughout this project, I intend to maintain seamless communication and provide milestone files like the annotated schematic (PDF + native file), PCB layout and Gerber/ODB++ files as requested. By choosing me for this role you'll be gaining a highly dedicated team player who would bring your proof-of-concept from imagination to creation successfully
$250 USD in 7 days
7.5
7.5

Hi, I can guarantee a top-notch job for your Noise Cancellation Prototype Design. My expertise lies firmly in PCB Design & Development, and I have extensive experience in power supply circuits; a necessity for this project. My mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS is vital for the seamless integration that's the backbone of your project. Additionally, my proficiency in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee essential in today's consumer-grade electronics will come in handy for you down the road with this project. But what sets me apart from others is my commitment to continuous improvement. Despite my impressive resume, I am always looking for ways to be better at what I do. My promise to you is simple - I will meticulously design and develop a highly efficient electronic circuit that meets all your requirements while taking up minimal space. I will simulate or conduct bench measurements that easily confirm at least 20dB attenuation in the 50Hz-2kHz bands with under 10ms latency. Finally, i will provide detailed SPICE plots or MATLAB/Simulink data as you require so that you trust each figure i present before they even come out to life. You deserve a solution that not only reduces noise but overall sounds better and I'm excited about your idea
$500 USD in 7 days
6.9
6.9

Hi! As an Electronic Design Engineer specializing in analog processing and active filter topographies, I can design, simulate, and lay out your noise-reduction module. Why Choose Me: Signal Topology & ANC: Extensive experience with feed-forward and hybrid ANC, active filter design, and echo reduction circuits using Altium and LTspice/MATLAB. Verification & Layout: I’ll ensure <10 ms latency, >20 dB attenuation (50Hz–2kHz), and integrate selectable wave options (Delta/Alpha/Beta). You’ll receive native EDA files, complete manufacturing deliverables (Gerbers, BOM with lead times), and SPICE/Simulink performance logs. Ready to start on the schematic.
$500 USD in 7 days
6.6
6.6

Hello, I am Muhammad Javed, an Electrical Engineer with more than 10 years of experience in audio electronics, signal processing, PCB design, and embedded hardware development. I can develop your compact ANC and echo-reduction module from architecture through schematic, PCB layout, simulation, and validation. I will evaluate feed-forward, feedback, and hybrid ANC topologies and select the most suitable approach for your 50 Hz–2 kHz range, ≥20 dB attenuation target, sub-10 ms latency, and compact form factor. I can create the complete schematic and PCB in Altium or KiCad, including microphone interfaces, ADC/DAC or codec selection, DSP implementation, power integrity, grounding, and readily available components. I can provide SPICE simulations and MATLAB/Simulink data to verify attenuation, latency, and echo-reduction performance. For the requested delta, alpha, omega, beta, and brain-wave options, I can assess the signal-generation requirements and incorporate selectable modes where technically appropriate. You will receive annotated schematic PDF/native files, PCB layout, Gerbers/ODB++, a component BOM with part numbers and lead times, and a performance report. I can work milestone-by-milestone, starting with the architecture and schematic, followed by PCB layout and testing.
$500 USD in 7 days
6.2
6.2

Hi, I can help develop your compact ANC and echo-reduction prototype from signal-processing architecture through PCB design and validation. I have experience in electronics, PCB design, embedded systems, signal processing, and MATLAB/Simulink. I can evaluate feed-forward, feedback, and hybrid ANC topologies and select an architecture targeting your requirements of **≥20 dB attenuation across 50 Hz–2 kHz with <10 ms latency**. My work can include: • ANC + echo-reduction signal-chain design • Microphone, ADC/DSP/DAC architecture • Complete schematic and compact PCB layout • Altium/KiCad source files • SPICE and/or MATLAB/Simulink simulation • Production-ready component selection and BOM • Performance testing and validation report • Iterative milestone delivery For the requested delta, alpha, omega, beta, and brain-wave modes, I can implement selectable signal-processing options once their exact intended behavior is defined. I suggest three milestones: topology/schematic → PCB/BOM → simulation and validation. I’m ready to review your detailed requirements and start with the signal-chain architecture. Regards,
$500 USD in 1 day
5.8
5.8

⭐⭐⭐⭐⭐ I’d approach this as a signal-processing and hardware co-design rather than starting with the PCB immediately. The first milestone should establish the ANC/echo topology and prove that the required ≥20 dB attenuation from 50 Hz–2 kHz with <10 ms latency is realistically achievable. I can take the design through: • Feed-forward, feedback or hybrid topology evaluation • Microphone/input, ADC/DAC and amplifier architecture • Low-latency DSP/control implementation • SPICE or MATLAB/Simulink modelling • Annotated schematic and PCB layout • Production-oriented BOM with available components • Simulation/bench measurements and performance report • Gerber/ODB++ and native design files For ANC, I’d pay particular attention to acoustic/electrical delay, phase margin, sampling rate, filter design and microphone/speaker placement because these will determine real attenuation more than the schematic alone. I’d also like to clarify the delta/alpha/omega/beta/brain-wave requirement before implementing it. If these refer to selectable frequency bands or generated/filtered signals, I can incorporate them into the architecture once you define the intended behavior. I’d suggest milestones of topology/simulation → schematic → PCB → prototype validation, with measurable results at each stage rather than waiting until the final build to discover limitations.
$500 USD in 7 days
5.6
5.6

Hi, I can deliver your board as a complete, manufacturing-ready package — schematic, multilayer layout, and all production files — without the usual back-and-forth between designer and fab house. I have 14+ years of experience in PCB design and firmware development. I work daily in Altium Designer, KiCAD, and Eagle, and I own licenses for Altium and Eagle, so I can start immediately on your project. My background covers: • 2–16 layer PCB layout, high-speed routing, and controlled-impedance design • Mixed-signal boards, power distribution, and EMI-aware placement • Full deliverables: schematic, PCB layout, BoM, Gerbers, pick-and-place, ODB++, assembly drawings, DRC report, and 3D STEP model I previously worked at READA PCB Technology in Shenzhen as a PCB designer and production manager. That factory-side experience means my layouts are built for real manufacturing — correct clearances, sensible via strategy, and DFM/DFA checks before files go out the door. If you also need prototypes or small-batch assembly, I can coordinate PCB fabrication, PCBA, component sourcing, functional testing, and shipping through the Shenzhen network I know well from my time at READA. I am available to start right away and happy to sign an NDA before reviewing your design brief. Looking forward to your reply. Best regards, Ting
$500 USD in 7 days
5.2
5.2

Hi, I am ready to develop your proof-of-concept noise-reduction module with active noise cancellation and echo reduction, validated at ≥20 dB attenuation across 50 Hz–2 kHz with sub-10 ms latency via SPICE and MATLAB data, plus switchable brainwave outputs. All design follows IEC 61672 and IPC-2221 standards for reliable, compact embeddable performance. Project Deliverables: Complete annotated schematic PCB layout Gerber/ODB++ files BOM Performance report I have a question: Q: Can you share the product size constraints and confirm the audio input/output interface, such as analog or I2S, so that I can begin the design? Over 6 years of experience in active noise cancellation and echo reduction circuit design. Similar projects I have done: Active Noise Cancellation Module with SPICE-Validated 20+ dB Attenuation Performance Compact ANC/Echo Reduction PCB Design for Embedded Consumer Electronics Software I can use Altium Designer / KiCad LTspice MATLAB My portfolio is attached below. I am ready to start immediately. Thank you! Warm regards, Abubakar
$500 USD in 7 days
5.1
5.1

With an in-depth understanding of circuit design, electronics, and embedded systems combined with my proficiency in MATLAB and PCB Layout, I wholeheartedly believe I am the ideal fit for this project. My skills have been honed specifically in your desired space—noise reduction. Additionally, I am skilled in the use of signal-processing topologies like feed-forward, feedback, and hybrid as well as a variety of EDA software from Altium to KiCad. A notable aspect of choosing me as your freelancer is my commitment to transparency and steady communication throughout the different project stages. As we work together on translating our chosen signal-processing topology into a detailed schematic and PCB layout, I will provide you with regular milestone files - schematic first, then layout, then test results. This way we both can iterate quickly and ensure the final product meets your specific requirements.
$251 USD in 1 day
4.9
4.9

Being an electrical engineer with a strong background in electronic design and circuit design, I am confident that I can create the precise noise-reduction prototype design you are looking for. I understand the importance of delivering a small-scale solution without compromising on the critical functionalities of active noise cancellation and echo reduction. I not only have extensive experience in designing complex circuits but also specialize in creating electronic schematics and PCB layouts using top-notch software like Altium, KiCad, among others, ensuring accuracy and efficiency. Moreover, my proficiency in conducting simulations or bench measurements necessary to prove performance metrics align perfectly with your project's requirements for demonstrating a 20 dB attenuation in the 50 Hz-2 kHz band with latency under 10ms. I use tools like SPICE plots and MATLAB/Simulink to provide comprehensive data analysis, which will be useful for your prototype testing. Lastly, you can count on me to deliver concise, well-documented files such as annotated schematic (PDF + native file), PCB layout and Gerber/ODB++ files, BOM with part numbers and expected lead times which will guide your next steps in prototyping. Rest assured that we'll maintain an open line of communication throughout the project for any iterations or suggestions. I'm ready to get started when you are!
$260 USD in 2 days
4.9
4.9

Processing real-time active noise cancellation with sub-10ms latency while synthesizing distinct brainwave frequencies creates severe signal processing bottlenecks. A mismatched topology or poorly routed compact PCB introduces phase delays, causing noise amplification and interference between audio and bio-frequency circuits. Leveraging my expertise in biomedical engineering and high-speed embedded systems, I will design a hybrid ANC architecture. I will deliver precise Altium schematics, compact PCB Gerbers, a manufacturable BOM, and MATLAB or SPICE simulations verifying the 20dB attenuation in your target band. The brainwave generator will be cleanly integrated without compromising the ANC performance. To ensure perfect alignment, I have two quick questions: Do you prefer a dedicated analog ANC IC or a digital DSP MCU to handle both the noise cancellation and brainwave synthesis? What are the strict maximum dimensions for this embedded PCB?
$700 USD in 23 days
4.9
4.9

As an experienced electrical engineer specializing in embedded systems and signal processing, I can bring immense value to your project. My expertise lies in designing electronic circuits and creating schematics using Altium, KiCad, or other EDA software. I’m also well-versed in conducting simulations and measurements to validate performance metrics like noise attenuation and latency. When it comes to your project of developing a noise cancellation module, my skills in signal processing will come into play extensively. I'm familiar with various topologies of ANC including feed-forward, feedback, and hybrid. I have a solid understanding of SPICE plots and MATLAB/Simulink data analysis which are crucial for demonstrating the desired frequency band attenuation.
$255 USD in 1 day
3.9
3.9

Hello, The key part of this project is **turning active noise cancellation and echo reduction into a compact schematic and PCB that still meets the 20 dB, sub-10 ms target**. I can help you handle this accurately and efficiently without overcomplicating the process. I have hands-on experience with **Signal Processing, Electronics, and PCB Layout**, including design work that starts from topology selection and moves through implementation-ready hardware. For your project, I would focus on **choosing the right feed-forward/feedback/hybrid architecture, building the annotated schematic with a practical BOM, and laying out the PCB for low-latency analog performance**, while making sure the final result is **prototype-ready and measurable in simulation**. I can start immediately and expect to complete this within 3 weeks. One detail I'd like to confirm before starting: **do you want the ANC design optimized first for the 50 Hz-2 kHz band, or should we prioritize echo reduction equally from the beginning?** Best regards, Miguel
$750 USD in 21 days
3.8
3.8

Hi, I can help design your compact noise-reduction prototype with active noise cancellation, echo reduction, schematic design, PCB layout, BOM, and simulation/test documentation. My approach will be to first confirm the target product space, microphone/speaker path, power limits, size constraints, and ANC topology. Then I’ll design the signal chain, prepare the schematic, simulate key sections, and move into PCB layout once the circuit direction is approved. I’m comfortable with: * ANC and echo-reduction concepts * Analog/digital audio signal chains * Filter and amplifier circuit design * Embedded audio processing * MATLAB/Simulink analysis * SPICE simulation * KiCad/Altium PCB layout * BOM and component selection * Prototype test planning Deliverables: * Annotated schematic PDF and native files * PCB layout files * Gerber/ODB++ export * BOM with part numbers * ANC/echo performance report * Simulation plots or test plan/results * Milestone review files * Notes for passive isolation options I can also include selectable audio/brainwave-style signal options such as delta, alpha, beta, etc., after confirming the exact waveform/frequency requirement. I’ll focus on a practical prototype design with low latency, measurable attenuation targets, and components suitable for real-world prototyping. Best regards Ankit
$250 USD in 4 days
3.9
3.9

Hello, I have read your requirements carefully. 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 switch option, I will add a simple analog front-end with selectable band-pass filters for delta, theta, alpha, beta, and gamma ranges. This can be implemented as a rotary switch or jumper-selected filter bank feeding the same DSP input, so no extra processing load is added to the ANC path. I will deliver the schematic first as a milestone, with clear annotation showing signal flow, power domains, and filter blocks. Then I will provide PCB layout and Gerber files. For performance proof, I will run SPICE simulation on the analog filter stages and provide MATLAB plots showing ANC attenuation and group delay. If you have a preferred DSP chip or codec already in mind, I can work with that. BOM will use parts from Mouser, Digi-Key, and LCSC with lead times noted. I will keep the module footprint under 40x40mm if possible.
$500 USD in 7 days
3.5
3.5

Hello, I have 15+ years of experience in electronics design, circuit development, and embedded systems engineering. As a licensed professional engineer, I’m well-versed in creating compact, high-performance modules for consumer electronics, and I understand your need for a proof-of-concept noise reduction module that seamlessly blends active noise cancellation with echo reduction for integration into other products. Here’s how I’ll help bring your vision to life: > Collaborate with you to select and refine the optimal signal-processing topology (feed-forward, feedback, or hybrid) that best fits your application. > Deliver a clear, fully annotated schematic (both PDF and native EDA file) that’s ready for review and further development. > Provide a precise PCB layout, Gerber/ODB++ files, and a concise bill of materials with easily sourced components and lead times. > Back up the design with simulation results (SPICE/MATLAB) or bench measurements, demonstrating at least 20 dB attenuation (50 Hz–2 kHz) and latency under 10 ms, including options for delta, alpha, beta, and other brain wave modes. I recently completed a similar active noise cancellation module for a wearable device, where size, latency, and clear documentation were critical to the client’s success. Could you please share which product this module will eventually be embedded into? This will help ensure the design fits seamlessly. Please contact me. Best Regards, Ronald
$350 USD in 2 days
0.0
0.0

The core of this job is the signal-processing topology for active noise cancellation and echo reduction, picking feed-forward, feedback, or hybrid is the first step. I will build the analog front-end, filtering, and gain stages first. This allows immediate testing of microphone input conditioning and anti-aliasing, crucial for clean signal processing later on. For the schematic, I’ll use KiCad, it’s efficient for this kind of embedded circuit design. The PCB layout will prioritize minimizing noise coupling between analog and digital sections, also keeping the footprint small for embedding. To achieve the 20 dB attenuation in the 50 Hz, 2 kHz band with under 10 ms latency, I will implement a cascaded digital filter structure, likely IIR filters for efficiency. SPICE simulations will verify analog component performance and then MATLAB/Simulink will model the digital filter response and latency. What is the desired analog input voltage range for the microphones? For what it is worth, every job I have taken on Freelancer has gone out on time and on budget, 100% on both. I need the target microphone input voltage range and the desired sample rate for the ADC to proceed with the detailed design. Once I have that, I will send over the initial schematic draft and simulation setup.
$567 USD in 21 days
0.0
0.0

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