Technote 101: LabVIEW ActiveX Automation for Audio Precision Instruments
Fundamentals of Modern Audio Measurement
Technote 29: Computing Group Delay from Phase Data Using APWIN
AP Basic Extensions for the 2700 Series
The Audio Measurement Handbook
Technote 27: Polarity Test Procedure
Technote 104: Introduction to the Six Basic Audio Measurements
Technote 20: Return Loss Measurements
Technote 21: Obtaining Frequency Response Measurements using an Audio Program as the test signal
Technote 103: Dolby Digital DVD Certification Tests
USB-APIB Kit Installation and User Guide
Technote 19: Create an HTML-Based Help System for APWin Basic Procedures
Technote 28: Measurement Microphone dBspl Calibration
Appnote 6: Digital Audio Broadcast Receiver Audio Testing
Measurement Techniques for Digital Audio
Momentum DSP Filter Design Package
System 2 Family Performance Check Software
Appnote 1: CD & DVD Player Tests using System One or System Two
Testing Challenges in Personal Computer Audio Devices
The 2700 Series offers both AES3 and IEC60958 serial digital interfaces, with fully configurable serial data and clock ports available via the auxiliary PSIA-2722 Programmable Serial Interface Adapter.
All digital input and output capabilities are functional over the full range of sample rates from 8 kHz to beyond 200 kHz.
The Digital Input/Output panel provides complete control and display of serial interface parameters including connector and format selection, sample rate, resolution, pulse amplitude, active data bits, error flags and received jitter amplitude. A Status Bits panel enables you to set and read interface metadata in both professional and consumer formats. Metadata is displayed in both hex and English interpretations.
Test the performance of AES3 or 60958 receivers with sub-standard signals by introducing impairments to the output serial interface signal. Impairments include variable sample rate, pulse amplitude and rise and fall times, the addition of noise, common-mode signals, controllable jitter and a long cable simulation.
Use the Digital Interface Analyzer tool to measure and display the interface signal or jitter waveform and spectrum, histograms for a number of interface measurements or to generate an eye pattern. Add jitter of various types and amplitudes to the generated bitstream and measure the effect on the receiver and the resulting audio signal.