IEC SOUND SYSTEM EQUIPMENT –- PART 7: HEADPHONES AND EARPHONES. Buy IEC SOUND SYSTEM EQUIPMENT – PART 7: HEADPHONES AND EARPHONES from SAI Global. IEC Ed. Sound system equipment – Part 7: Headphones and earphones IEC (E), is applicable to headphones, headsets, earphones.

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If passive, connect to the headphone amp or separate audio power amplifier You are ready to start the sequence.

The standard itself is a lengthy document, 9 Sections and 3 Annexes covering 46 printed pages. The sequence first plays a stepped sine through both channels of the DUT and captures the sound radiation from the DUT using 2 reference mics. Find Similar Items This product falls into the following categories. Accept and continue Learn more about the cookies we use and how to change your settings.

A statistics step calculates the mean of the 3 unoccluded measurements.

In order to add these Signal Paths to your System Calibration or relink to existing Signal Paths, 602268 should open each of the sequences individually and, if prompted, add or relink Paths to your System Calibration. Click to learn more. Calibrate the headphone amplifier channels per the instructions in the SoundCheck manual.

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First, a pink noise stimulus is played from the 6028 speakers and recorded by the unoccluded ears. If the answer is Yes, the user is prompted to turn the ANC on and the sequence repeats the passive measurements. Worldwide Standards We can source any standard from anywhere in the world. Sound System Equipment — Part 7: Headphones and Earphones is an international standard intended to characterize the performance of headphones and earphones.

Software Requirements SoundCheck The Hz recorded time waveforms are processed using heterodyne analysis to derive their fundamental values. Ieec required The content you have requested is available only to registered visitors. Please download Chrome or Firefox or view our browser tips.

BS EN 60268-7:2011

Please complete the short form below all fields are required. Crosstalk and radiation curves are then shown on the final display. Once calibrated, position the microphones 0. It can also be used to characterize the passive attenuation only of a standard non-ANC headphone. This website is best viewed with browser version of up ice Microsoft Internet Explorer 8 or Firefox 3.

You may experience issues viewing this site in Internet Explorer 9, 10 or Setup System, Hardware and Calibration Before attempting to run any of the sequences, read the following setup instructions.

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Learn more about the cookies we use and how to change your settings. The sequence then goes through a series of acquisition steps to generate four fundamental curves which are then post-processed to calculate crosstalk. You may find similar items within these ic by selecting from the choices below:. There are several unique Signal Paths used in the sequences which are not a part of the default SoundCheck installation.

IEC Headphone Sequences – Listen, Inc.

The spectra are then power summed to derive a single SPL value and the Hz fundamentals are post processed to derive their SPL values. 602268December 17, – 3: Relink dialog Here is a list of sequences and their default signal paths unique paths are in bold: This approach provides the user with the flexibility to measure all or some of the characteristics of their headphone. Your basket is empty. This sequence satisfies the requirements of Section 8.