Audio Analyzer

Audio Analyser

Brief DescriptionAlthough audio signals are mainly processed digitally nowadays, analog technology will remain a viable alternative that is continuously being enhanced. Therefore, both analog and digital measurements must be performed. The R S UPV audio analyzer is designed precisely for this purpose. The R S UPV enables users to perform virtually all measurements that are necessary in the audio world: frequency response measurement, total harmonic distortion (THD) displays, spectral displays, analysis of digital interfaces, and much more. The generator is just as versatile. It can be used to create any conceivable signal from sinewave and noise signals up to multi-sinewave signals. The R S UPV is an all-in-one instrument with an integrated control PC, making it easy to transport. Since the instrument comes factory-ready, it merely needs to be unpacked and switched on before being put into operation. Peripherals are therefore not required. Optional modules and software expansions that can be integrated into the instrument open up a broad scope of further applications. The R S UPV features an intuitive user interface (Windows operating system). The large screen plays a key role, not only for displaying measurement results. All settings are made in panels that contain all interrelated functions and settings. Since the operating philosophy is easy to understand and since analog and digital measurements are performed in a similar manner, users can quickly master instrument operation. The instrument features scalable graphical windows that can be moved around on the screen as needed, providing all measurement results at a glance. Results can be displayed in realtime for one or both channels and can optionally be expanded to a maximum of 16 channels. Multiple measurement functions/graphics are available simultaneously. For example, analyses in the frequency and time domains can be displayed at the same time. With graphics, results can be read off using vertical and horizontal cursors, and limit lines or stored measurement results can be superimposed on them or compared with them. Key Facts Suitable for all interfaces (analog, digital and combined) Simultaneous display of multiple measurement functions Sampling rate up to 400 kHz Compact instrument with integrated PC Slots for future options Features Benefits All test signals and measurement functions in a single box Generation of a wide variety of analog and by using the R S UPV-B2/-B41/-B42 options digital test signals Extensive measurement capabilities, on analog and also when the R S UPV-B2/-B41/-B42 options are installed digital interfaces Efficient as well as multichannel FFT analysis with a resolution down to the mHz range User-programmable filters can be adapted to the measurement task at hand in only a few seconds Everything included, no peripherals required Largest variety of interfaces offered in a single instrument: Analog generator outputs as standard Dual-channel analyzer with analog inputs as standard Expansion to 8 or 16 measurement channels (R S UPV-B48 option) Digital audio interfaces (R S UPV-B2 option) Digital protocol analysis and generation (R S UPV-K21 option) Jitter and interface test (R S UPV-K22 option) Test of audio ICs with I S interface (R S UPV-B41 option) Virtually any audio circuit adaptable using the universal serial interface (R S UPV-B42 option). PDM bitstream analysis (R S UPV-K421 option).

The Models 2015-P and 2016-P Audio Analyzing Digital Multimeters and the Models 2015 and 2016 Total Harmonic Distortion Multimeters combine audio band quality measurements and analysis with a full-function 6-1/2-digit DMM. Test engineers can make a broad range of voltage, resistance, current, frequency, and distortion measurements, all with the same compact, half-rack measurement instrument. Specifically, the harmonic distortion multimeters allow for high performance and broad-purpose frequency domain measurements and spectrum analysis.

RT-2M comprises a dual channel floating generator and a very fast dual channel Audio Frequency Analyzer offering multitone, stepped sweep and continuous sweep analysis. The built-in phantom power supplies allow direct microphone connection supporting acoustic test applications. Rapid-Test RT-2M The RT-2M audio frequency analyzer is a fast, programmable two-channel generator and analyzer. The RT-2M ensures proper and reliable function in every industrial environment, including easy to handle calibration and service procedures. High Speed Production Testing The RT-2M provides complete performance tests of essential audio parameters simultaneously, typically in less than a second. Test setups can easily be reconfigured to meet changing product test requirements. Optimized for Production Lines The RT-2M is optimized for integration into production lines and for QC sample inspection. The mission is to completely automate test procedures with no need for any form of manual or human Golden Ear testing. The RT-2M automatically captures, stores and analyzes incoming signals against QC tolerances in real-time and returns the test results back to the controlling PC without unnecessarily loading the host controller with number-crunching tasks. Powerful Digital Signal Processors (DSP) execute all the data measurement, filtering and extraction and results storage asynchronously: This minimizes the host controllers performance and occupation enabling control of up to 16 RT-2M units in parallel. Control of the systems is accomplished either via IEEE-488 or Serial RS232 connections.

100 W exciter

Audio analyzers

Audio Analyzers

The 2700 Series is designed for audio engineers who need the highest performance, lowest distortion and greatest flexibility possible in their audio analyzer. With the Programmable Serial Interface Adapter (PSIA), it is the best solution for high end converter and other chip designers. The 2722 s true dual domain architecture enables uncompromised measurement of both analog and digital signals: the analog generator and analyzer performance surpasses that of any digital converter-based design, while digital analysis techniques offer a wide array of precise, high-speed measurement techniques for either domain. Cross-domain work can be accomplished using the best of both worlds. The typical THD+N of the 2700 Series is 115 dB at 2.0 Vrms. However, even with AP s conservatively specified THD+N of -112 dB, the 2700 Series is the industry s undisputed performance leader.

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Audio Analyzer