ANC Headphone R&D Testing
With the rapid development of electronic technology, a series of headphones with novel shapes and excellent performance have come into the view of the public. In recent years, the public has become increasingly demanding of noise cancellation performance, and the market for ANC headphones has grown rapidly. The increase in demand naturally requires more supply. At the same time, as the traditional ANC headphone testing process is cumbersome, and its operation is difficult and inefficient, the use of efficient automated test methods can improve efficiency significantly. Our ANC headphone auto-calibration test solution cancels the tedious manual gain debugging steps, leads to stable and reliable test results, and reliably ensures product quality.
ANC headphone R&D testingANC feed-forward filter (FFF) and feedback filter (FBF) transfer functions (amplitude, phase) testing
Speaker transfer functions (amplitude, phase) testing
Microphone transfer functions (amplitude, phase) testing
Positive + negative noise cancellation performance test
| ANC headphone R&D testing | ANC feed-forward filter (FFF) and feedback filter (FBF) transfer functions (amplitude, phase) testing |
| Speaker transfer functions (amplitude, phase) testing | |
| Microphone transfer functions (amplitude, phase) testing | |
| Positive/negative noise cancellation performance test | |
| Production line auto-calibration test solution | Automatically adjusting the microphone gain to the optional value(e.g. using Trimbox) |
| Automatically adjusting the right/left balance of ANC and headphone | |
| Positive/negative noise cancellation performance |
| CRY6151B Electroacoustic Tester | X1 | Standard |
| Trim Box | X1 | *Optional* |
| 721 Shielding Box (Loudspeaker) | X1 | Standard for headset |
| CRY711 Ear Simulator | X2 | The standard for in-ear phone |
| CRY318 Ear Simulator | X2 | Standard for headset |
| CRY332 Measurement Microphone | X2 | Working with Ear-318 |
| CRY506 Preamplifier | X2 | Standard for headset |
| CRY508 Preamplifier | X2 | The standard for in-ear phone |
| PC | X1 | *Optional* |
| CRY801 Testing Jig | X1 | Optional / Customized |
| CRY Electroacoustic Testing Software (including Bluetooth module) | X1 | Standard |
| CRY333 Measurement Microphone | X1 | *Optional* |
| CRY5611 Sound Level Calibrator | X1 | *Optional* |
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