A2B Automotive Power Amplifier Audio Testing Solution
With the development of car audio towards multi-channel, intelligent, and digital directions, coupled with the complex environment inside the car and the popularization of new bus technology, car amplifier audio testing is facing new challenges in channel synchronization, bus adaptation, distortion control, and other aspects.
·Multi channel and synchronous testing: The power amplifier has up to 32 output channels, which places extremely high demands on the number of acquisition channels and synchronization of the testing equipment.
·Digital bus testing adaptation: With the widespread popularity of car audio buses such as A2B, new demands have been put forward for interface adaptation of testing equipment.
·Nonlinear distortion: Currently, mainstream D-class amplifiers are susceptible to nonlinear distortion caused by inductive components, requiring precise measurement of THD+N at different powers and frequencies, which further demands the performance of testing equipment.
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A2B In-Vehicle Audio Test Solution
The ABTEC Ax audio analyzer, with its high cost performance, outstanding system performance, and extensive expansion capabilities, comprehensively covers all audio testing scenarios, making it the preferred testing equipment for both consumer and professional audio products. For automotive infotainment testing, the audio analyzer can complete core audio performance tests when paired with filters; by integrating with FM/AM signal generators and other signal sources, it enables full-scenario testing.
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Sound Calibrator HS6020
The HS6020 sound calibrator is mainly used for testing the sound pressure sensitivity calibration of microphones and acoustic measuring instruments. It has the characteristics of small size, light weight, stable performance, and easy use, and meets the technical requirements of Class I calibrators in IEC942 "Sound Calibrators".
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A2B Audio Interface
A2B-ADIO is an analytical solution developed based on the emerging A2B technology for automotive audio buses, specifically designed to meet the measurement needs of manufacturers in the automotive and consumer electronics audio industries. This audio interface has flexible A2B network configuration and rich audio input and output interfaces. Combined with audio testing software, it can efficiently perform audio testing of various A2B components, such as car infotainment systems, car amplifiers, car microphones, etc., making it very suitable for research and production testing.
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PDM Extension Adapter AB-PLD
The PDM extension cable adapter addresses the distance issue between PDM microphones and audio analyzers during testing. It provides buffering for PDM audio data, allowing the use of cables up to 45 feet (13.7 meters) in length between the DUT and analyzer without loss or alteration of the digital signal.
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Impedance Box
Speaker impedance testing accessory, paired with an audio analyzer, can be used for speaker impedance testing.
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AB-HDMI2+eARC Option
The HDMI 2+eARC module allows engineers to measure HDMI audio quality and audio format compatibility on consumer audio devices such as surround sound receiv-ers, set-top boxes, streaming players, televisions, sound-bars, Blu ray disc players, as well as smartphones and tablets. Provide connections for source and sink devices, as well as additional HDMI connections for auxiliary video input and monitor output. Supporting ARC and eARC has increased the ability to test ARC and eARC audio quality and connectivity on receivers, televisions, and streaming hardware that support them.
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