Audio Test and Measurement Applications

Mobile Audio

The dScope Series III Audio Analyzer provides unparalleled capabilities for thoroughly analyzing mobile audio products including MP3/Media players, ear buds and headphones.

An earbud in an artificial ear

Comprehensive scripting enables measurements according to industry standards such as British Standard BS EN 50332 regarding hearing safety of portable music players. In addition, using the analyzer's real-time interactive measurements and unique Smart FFT™ capability, up to 40+ performance metrics can be measured and analyzed in real-time including distortion, noise, cross-talk, frequency response, gain, signal-to-noise, ratios of odd:even harmonics, and dynamic range among many others. When used with ear simulators, the dScope analyzer is able to easily correct for the ear's frequency response characteristics ensuring accurate measurement results of ear buds and headphones.

MP3 pass/fail screenshot

Screenshot of a dScope Series III multi-tone test for an MP3 player

Resources

+	LITERATURE
	dScope Series III Flyer - UK version
	dScope Series III Flyer - US version
	dScope Series III Flyer - Deutsche Version

+	WEBINARS
	Portable Music Player Loudness: Are your customers safe?
	Bluetooth headset testing
	Evaluating Audio DACs: Performance, Diagnostics and Test Automation

+	APPLICATION NOTES
	Audio Multi-tone testing techniques
	Rapid Bin Centres Frequency Response Analysis
	MP3 Player Testing With dScope Series III
	Production line QC testing
	Impulse Response Testing with dScope Series III
	FM stereo multiplex (MPX) with RDS testing Notes

+	SCRIPTS AND AUTOMATION
	MP3 player test
	FM stereo multiplex with RDS test script
	Generator sweep equalisation
	Settings report
	Sweep Generator Application
	MP3 Player Multi-tone Test
	Auto Sequence

Relevant Products for Mobile Audio applications

	dScope Series III Analogue & Digital Audio Test System
	dScope Series IIIA Analogue Audio Test System
	dScope Series IIIA+ Analogue-Plus Audio Test System
	dScope Series IIIE Digital and Analogue Essentials test system
	I/O Switcher dS-NET I/O 16 x 2 matrix switcher

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