Voice to Text for Electrical Engineers
When you're deep in circuit analysis or debugging a PCB layout, documentation shouldn't break your concentration. Typing technical specifications while referencing schematics and simulation results slows you down. Blurt lets you speak your circuit documentation, design reviews, and compliance notes while your eyes stay on the design. Hold a button, describe your findings, release. Text appears at your cursor — in your CAD notes, project reports, email, anywhere. No context switching between thinking and documenting.
The Typing Problem
Typing technical specs while cross-referencing datasheets
You're writing specifications for a new power supply design. The datasheet is open in one window, the schematic in another, and the specs document in a third. Every time you switch to type, you lose your place in the datasheet. You're constantly scrolling back to find the parameter you were just looking at. The mental overhead of typing while referencing multiple sources drains your focus on the actual engineering decisions.
Documenting circuit behavior during simulation runs
The SPICE simulation just finished and you need to record your observations. The waveforms show exactly what you expected — or they reveal an unexpected resonance. Either way, you need to document what you're seeing before you forget the insights. But typing while staring at waveforms means constantly shifting attention. By the time you've typed your notes, you've lost the intuitive understanding of what the traces were telling you.
Writing design review comments with proper technical detail
A colleague sent their schematic for review. You spot three issues immediately — a missing bypass capacitor, a voltage divider that won't handle the temperature range, and a trace routing concern. You could explain these in two minutes of speaking, but typing detailed, constructive feedback takes fifteen. So your review comments end up terse: 'Add bypass cap' instead of the helpful explanation of why and where.
Creating compliance documentation for regulatory submissions
The product needs FCC certification. You need to document EMC considerations, grounding strategies, and shielding approaches. The engineering is done correctly, but explaining it for the compliance file requires pages of written justification. You know the reasoning behind every design choice, but translating that knowledge into written documentation feels like a second full-time job.
Your hands hurt after hours of CAD work and typing
Between manipulating components in your PCB layout tool, typing part numbers, and writing documentation, your hands never rest. The precision work of routing traces and placing components is taxing enough. Adding thousands of words of documentation typing on top of that leaves your wrists and fingers aching by end of day. You're an engineer, not a typist, but some days it doesn't feel that way.
How It Works
Blurt works everywhere electrical engineers type — CAD annotation fields, documentation tools, email, project management software, and more. If you can put a cursor there, Blurt works there.
Hold your hotkey
Press your chosen shortcut. A small indicator shows Blurt is listening.
Talk naturally
Describe your circuit behavior, specification requirements, or design notes. Blurt adds punctuation automatically.
Release and done
Text appears at your cursor. No copying, no pasting, no extra steps.
Real Scenarios
Documenting circuit analysis findings
You've been analyzing why the output stage oscillates under certain load conditions. The root cause is clear: insufficient phase margin due to the compensation network. Hold your hotkey and say 'The oscillation occurs because the pole from the output capacitor ESR interacts with the second stage gain. Recommend increasing the compensation capacitor from 22 picofarads to 47 picofarads and adding a zero with a 10K series resistor.' Analysis documented in 12 seconds while your eyes stayed on the Bode plot.
Writing technical specifications for new designs
You're specifying requirements for a motor controller. The electrical specs need to be precise and complete. Hold button and speak: 'Input voltage range 18 to 32 volts DC. Maximum continuous current 15 amps with 25 amp peak for 10 seconds. PWM frequency 20 kilohertz plus or minus 5 percent. Over-temperature shutdown at 85 degrees Celsius junction temperature with 10 degree hysteresis.' Spec section drafted in 20 seconds instead of 5 minutes of typing.
Creating project status reports
Management needs a weekly update on the power supply development. You know what happened this week, but writing it formally takes forever. Hold and speak: 'Completed thermal testing of the prototype. All components within specified temperature limits at full load. Identified marginal headroom on the output inductor, recommending upgrade to the 15 amp rated variant for production. PCB revision 2.1 submitted for fabrication, expected arrival next Tuesday.' Status report done in 30 seconds.
Annotating schematic design decisions
Future engineers will need to understand why you chose certain component values. You could leave the schematic unannotated, but that leads to problems during manufacturing and field support. Hold button: 'R15 and R16 form a voltage divider for the feedback network. Values selected to give 1.25 volt reference at the error amplifier input with the output at 5 volts. Use 1 percent tolerance resistors to maintain output accuracy within plus or minus 2 percent.' Design intent captured for posterity.
Writing thorough design review feedback
A junior engineer submitted their first high-current design for review. You want to give helpful feedback, not just a list of problems. Hold and speak: 'The general topology looks good for this application. For the gate driver section, I'd recommend adding a series gate resistor of about 10 ohms to slow down the switching edges — this will reduce EMI without significantly impacting efficiency. Also consider adding a local bypass capacitor directly at the driver supply pins, as close as physically possible.' Mentoring feedback provided in 20 seconds.
Documenting test procedures and results
You just ran a series of load transient tests and need to record the methodology and results. Hold button: 'Load transient test performed per specification section 4.2. Stepped load from 2 amps to 10 amps in 1 microsecond. Output voltage deviation measured at 180 millivolts negative and 120 millivolts positive, both within the 250 millivolt specification. Recovery time to within 1 percent of nominal was 45 microseconds.' Test documentation complete while the oscilloscope screenshot is still on screen.
Preparing compliance documentation
The EMC test lab needs documentation of your design's approach to emissions control. Hold and speak: 'Input filter consists of a two-stage pi filter with common mode chokes on both DC input lines. X-capacitors are 100 nanofarads class X2, Y-capacitors are 2.2 nanofarads class Y1 for safety compliance. Switching frequency is fixed at 200 kilohertz to keep fundamental and harmonics in predictable bands. PCB includes solid ground plane under switching node with via stitching around the perimeter.' Compliance narrative documented without breaking your engineering flow.
Why electrical engineers choose Blurt over built-in dictation
| Blurt | macOS Dictation | |
|---|---|---|
| Activation | Single hotkey, instant start | Click microphone icon or double-tap keyboard |
| Speed | Text appears in under 500ms | 2-3 second delay typical |
| Technical terms | Handles component values, units, and EE terminology | Struggles with picofarads, microhenries, and part numbers |
| CAD integration | Works in any text field including CAD annotation boxes | Inconsistent support in specialized applications |
Frequently Asked Questions
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