Lightning headphone automatic test system

PDM extension cable adapter

The PDM extension cable adapter solves the distance problem between the PDM microphone and audio analyzer during testing. It provides buffering for PDM audio data, allowing for the use of up to 45 feet (13.7 meters) of cable between DUT and analyzer without losing or altering digital signals.

Audio Switch Communication Box

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.

AB-A2B Option

The AB-A2B interface option is a set of audio interfac-es developed based on the emerging A2B audio bus technology, with independent Master and Salve as well as external power input interfaces. Combined with the powerful audio testing software ATC, it can efficiently perform audio testing on various A2B components, such as car infotainment systems, car amplifiers, car microphones, etc.

AB-BT-DUO Option

The BT-DUO option is a fully revised and upgraded Bluetooth hardware module with dedicated sources and receivers, new Bluetooth chips and latest firmware, higher RF power, and improved shielding features. And it can provide a series of new audio codecs to meet the diversity of current Bluetooth products. Support new operational features in config-uration files and faster Bluetooth connectivity, enabling engineers to quickly and accurately test Bluetooth products and master their device perfor-mance.

AB-DSIO Option

The DSIO option adds a multi-channel digital serial interface to the audio analyzer, providing direct connections for chip level interfaces and playing a decisive role in the design and development of circuit boards. It is easy to use, with accurate test results, and can be widely used for audio quality testing of various digital devices.

AB-PDM option

Pulse-density modulation (PDM) is a 1-bit, high clock frequency data stream used in MEMS digital microphones, which is widely used in smart phone design. The audio analyzer equipped with A5-PDM module can be directly connected to any device with PDM input or output to achieve comprehensive audio testing required by the highly mobile telecommunications industry.

AB-PDM16 Option

PDM16, as an optional input module for Ax series audio analyzers, consists of an input module installed in the analyzer, a remote interface box, and an extension cable. It can provide up to 16 channels of accurate inter channel phase information for sampling, which is the key data for creating MEMS microphone arrays. PDM16 utilizes synchronous sampling based on a common clock to ensure clear and visible phase relationships between channels.

AB-ADIO Option

The advanced digital interface module AB-ADIO provides AES3 and AES/EBU balanced digital input/output interfaces on the XLR port, unbalanced SPDIF digital input/output interfaces on the BNC port, and fiber optic digital input/output interfaces on TOSLINK. In addition, the ADIO module can generate advanced interface damage signals and perform complex testing on devices through AES/SPDIF/TOSLINK. It also includes an advanced master clock module AMC, which is used to process input and output clock signals and synchronize with external devices. It can also generate and test jitter signals for interface modules that support jitter (ADIO, DSIO, HDMI, etc.).

Head and Shoulders Simulator HATS200/201

The HATS200 Head and Shoulder Simulator is a human body model with built-in mouth and ear simulators that can accurately reproduce the acoustic characteristics of the head and shoulders of an ordinary adult, enabling precise binaural acoustic signal acquisition and mouth vocalization. Suitable for electroacoustic testing of headphones, telephone receivers, audio conference equipment, microphones, hearing aids, and other products. HATS201 is a simplified version of HATS200, which eliminates the mouth simulator and meets the testing needs of some headphone customers.

Head and Torso Simulator HATS100/101

The Head and torso simulator (HATS100) is used to measure and improve the performance and accuracy of telecommunications and intelligent devices, meeting high requirements and standards for speech recognition. The simulator accurately matches the characteristics of the human ear sound field and provides repeatable measurement results to ensure product performance and customer satisfaction. HATS101 is a simplified version of HATS100, which eliminates the mouth simulator and meets the testing needs of some headphone customers.

AB-AMC Option

The advanced master clock module AB-AMC is used to process input and output clock signals to synchronize the audio analyzer with external devices, while generating and analyzing jitter signals for audio analyzers equipped with ADIO, DSIO, PDM, or HDMI modules.

AB-DIO Option

The digital interface module DIO provides balanced digital input and output compatible with AES3, AES/EBU, and IEC60958-4 on XLR connectors, unbalanced digital input and output compatible with SPDIF, IEC60958-3, AES3id, and SMPTE 276 M on BNC connectors, and optical digital input and output on Toslink interfaces.

AB-AG52 Option

The high-performance analog signal source option AB-AG52 is developed specifically for amplifier designers, capable of generating extremely pure square wave signals with a rise time of less than 2 microseconds and increasing the system THD+N to -110dB (typical value). AG52 can generate square wave and sine wave signals specified by DIM 100, DIM 30, and DIM B, and increase the maximum output level of the balanced interface from 21.21 Vrms to 26.66 Vrms. This option is suitable for instruments equipped with analog 2-channel output (A5/A6 are options, A7/A10 are standard)

AB-BW52 Option

The high-performance analog analyzer option AB-BW52 has an ultra-high bandwidth option, providing advanced FFT performance and high-resolution analog input bandwidth up to 1MHz. This option is suitable for instruments equipped with analog 2-channel inputs (A5/A6 options, A10 standard)

Audio analyzer A10

A10 is currently the most high-performance and fully functional analog 2-channel audio analyzer, fully benchmarking with AP company APx555. It has a high-performance sine signal generator and analyzer, which can generate sine signals up to 204kHz and residual THD+N of less than -120 dB in the system. It has a testing bandwidth of over 1MHz and supports all digital interfaces (ADIO/BT/I2S/HDMI/PDM) and advanced master clock (AMC) modules. It is an ideal testing equipment for the development stage of audio products.