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IEC-60268-7 Headphone Sequences

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IEC-60268-7: Sound System Equipment – Part 7: Headphones and Earphones is an international standard intended to characterize the performance of headphones and earphones. The standard itself is a lengthy document, 9 Sections and 3 Annexes covering 46 printed pages. These SoundCheck sequences focus on the electro-acoustic tests which are detailed in Section 8 “Characteristics to be specified and their method of measurement”.

Five separate sequences are provided, each designed to measure specific characteristics. This approach provides the user with the flexibility to measure all or some of the characteristics of their headphone.

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EN 50332-1 – Max. SPL of Portable Audio Devices

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EN-50332_1 screenshotThis sequence follows the test standard detailed in EN50332-1 (2013) for measuring the maximum sound pressure for portable music players and the earphones/headphones they are bundled with. The test involves loading a weighted pink noise stimulus file (as specified by IEC 268) onto the portable device and playing it through the earphones at the player’s maximum volume.

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AGC Hearing Aid – Reference Gain & EIN Test Sequence

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This sequence performs two of the measurements from the ANSI hearing aid test standard S3.22-1996.  The first part, in accordance with section 6.7 of the standard, helps the user set the reference test gain for the hearing aid, which is used for multiple measurements in the standard.  The second part, from section 6.12, tests the equivalent input noise (EIN) of the device.

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Hearing Aid Compatibility to TIA 1083 and FCC Part 68.316

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These two test sequences are designed to test the hearing aid compatibility of a telephone according to the TIA 1083 and FCC Part 68.316 standards. These sequences, which rely on the user having radial and axial HAC probes, play the appropriate test signals, measure the response and compare them to the limits in the standard. These pre-written sequences enable the user to immediately test to the relevant standards, and can be fully modified to meet any custom testing needs if desired.

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Headphones and EN50332

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This webinar discusses the setup and execution of the EN-50332 standard sequence package for SoundCheck.  This standard outlines procedures for measuring the maximum output of headphones and portable music players. Presented by Brian Fallon, Listen, Inc. Status: Recorded. Watch Webinar

 

Testing to Hearing Aid Standards

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This webinar covers the setup, calibration, and execution of the Hearing Aid Standards sequence package for SoundCheck. This package includes test sequences for measuring in accordance with the ANSI S3.22 and IEC 60118-7 standards. Presented by Brian Fallon, Listen, Inc. Status: Recorded. Watch Webinar