Notebook audio test

Notebook audio test

The laptop has experienced the process from being bulky, black and white, and color screen to reduced volume, lighter weight, and increased functional memory. As the laptop has more and more applications, better sound quality of the laptop and Mic call effects are also required. The latest generation of laptops has gradually added a series of features, such as call noise reduction stereo surround sound. In order to meet the new requirements for audio testing of laptops, CRY Sound's latest laptop test solutions include highly automated test fixtures and cabinets, which can easily, quickly and stably test the audio characteristics of laptops. They also include fan noise monitoring and many other functions to meet the multiple testing needs of laptops.

Features
  • High compatibility
  • Network communication connection
  • Highly automated testing
Solution introduction
Speaker test

Speaker test

  • CRY6151B connects to a laptop and makes it sound via WiFi → microphone collects the signal → the signal is input into the CRY6151B for analysis via the MIC interface

Microphone test

Microphone test

  • CRY6151B outputs signal, makes the mouth simulator sound via the MOUTH interface → the laptop MIC acquires signals → the signals are connected to CRY6151B for analysis by the laptop via WiFi

Fan noise test

Fan noise test

  • CRYSOUND establishes a connection with a laptop through a network cable, and controls the laptop cooling fan to run in the fast or slow mode → the microphone collects fan noise signals → input signals to CRY6151B through the MIC interface for analysis

Laptop headset audio port test

Laptop headset audio port test

  • CRY6151B is connected to the laptop through a network cable. The laptop is controlled to enable the audio interface to output signals, which are directly inputted into CRY6151B for analysis through the LIN IN L/R interface through the headset audio cable

Test parameters
Speaker testing

Frequency Response (FR)

Total Harmonic Distortion (THD)
Higher harmonic (Rub & Buzz)
Microphone Test

Frequency Response (FR)

Total Harmonic Distortion (THD)
Sensitivity
Fan noise testSPL
SNR
Octave analysis
Acoustical Power
Audio port testFrequency Response (FR)
Total Harmonic Distortion (THD)
Balance
Left and right headphones positions
Sensitivity
Configuration list
CRY6151B Electroacoustic Tester X1 Standard Details
CRY Electroacoustic Testing Software X1 Standard Details
CRY602 Mouth Simulator Compatible with test items Standard Details
CRY333 Measurement Microphone Compatible with test items Standard Details
CRY506IP Preamplifier Compatible with test items Standard Details
CRY Shielding Box for Testing X1 Standard, customized Details
Supplied standard cable X1 Standard Details
CRY5611 Sound Level Calibrator X1 *Optional* Details
Test Fixture X1 *Optional*, customized Details
PC X1 *Optional* Details