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      Digital and Analogue Audio Analyzer
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      Series III
      Digital and Analogue Audio Analyzer
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      M1
      Digital and Analogue Audio Analyzer
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      dS-NET 16 x 2 I/O Switcher
    • VSIO adapterVSIO
      Digital Serial Interface Adapter
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      Filter for digital amplifier tests
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      Production Test System
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      Loudspeaker Test Chamber
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Applications: Automotive Audio

A/D and D/A conversion Automotive Audio Bluetooth Audio Broadcast Computer Audio Education Electro-acoustics Home Entertainment Manufacturing Mobile Audio Music Industry Pro-Audio R&D Semiconductor Service

Automotive Audio


Comprehensive automotive audio testing
Prism Sound's audio test solutions are ideally suited to automotive test applications, from product design right through to production line QC testing. The systems offer a complete suite of audio measurement tools, enabling all components of your In Car Entertainment (ICE) system to be tested using a single instrument. For example, dScope allows you to test all of the following, and more:
  • Analogue and digital audio inputs / outputs, including board-level serial digital audio interfaces (I2S etc.)
  • Power amplifiers (with options for multi-channel switching and filters for Class-D amplifiers)
  • RDS functionality (see below)
  • CD / DVD / Blu-ray drives, including Dolby Digital & DTS decoder testing
  • DSPs; EQ, dynamics, crossovers, noise cancellation etc.
  • Bluetooth audio interfaces
  • Electroacoustic testing for drive units

dScope Series III and RDS
The dScope III platform is the only audio test system that allows you to test RDS FM decoder functionality at the same time as evaluating the FM receiver performance; simply download the RDS testing application, connect your EUT to dScope via an FM exciter, and you can type-in an arbitrary text string to the dScope signal generator wavetable - the text string can be checked on your head unit's display to determine whether the RDS decoder is functioning correctly.

RDS Diagram
FM spectrum showing how dScope Series III can generate RDS

Automate it!
For automotive manufacturing applications, the dScope Series III system offers a range of automation options, allowing you to seamlessly integrate the system into your production facility, no matter how large or small:
  • The software can be used manually, with one-button switching between different test files and on-screen flagging of limit breaches
  • Self-contained automation applications can be written in VBScript, a powerful scripting language that allows the user to create automated test sequences, limit checking, pass / fail reporting, integration with databases or spreadsheets for storing results, and custom user interfaces to be created to control the flow of testing or to customise the level of information shown to the test operator.
  • For integration within larger-scale automation environments, dScope includes an ActiveX / COM interface that enables the system to be controlled by external applications (and vice-versa), allowing automation executives such as LabVIEW, TestStand, Delphi, Python, C#, etc to run test sequences and check results.
  • dScope's automation tools also enable integration of other applications and control / measurement systems, including barcode scanners, external instruments for non-audio measurements, PLCs, production-line hardware etc.
Automation solutions can be delivered by Prism Sound as part of a turn-key package, custom made for your specific needs and ready to operate out-of-the-box. Our experienced team of expert Applications Engineers has a long history of delivering automated solutions to many of the world's leading automotive audio brands. No matter how big or small your manufacturing operation, dScope allows you to measure faster, and saves you money.

MP3 pass/fail screenshot
Screenshot of a dScope Series III multi-tone test for an MP3 player

Resources

+ LITERATURE
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dScope Series III Flyer - UK version
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dScope Series III Flyer - US version
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LOUDSOFT brochure
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dScope Series III Flyer - Deutsch Version
+ WEBINARS
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Beyond THD+N: How does your power amplifier REALLY perform?
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Bluetooth headset testing
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Loudspeaker System Analysis
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Loudspeaker System Design Part 1: Enclosure Design, High Power Levels and FINEBox
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Loudspeaker System Design Part 2: Crossover Optimization and FINE X-over
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Loudspeaker Transducer Design Part 1: Motor Structures and FINEMotor
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Loudspeaker Transducer Design Part 2: Cones, Domes Soft Parts and FINECone
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Optimieren Sie die Qualitätsprüfung in der Produktion: Mit der Multi-Tone Messung zum High Speed Audiotest!
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Increase Your Throughput: High Speed Multi-tone Audio Test
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Audio Amplifiers: Burst Distortion and Practical Measurement Workshop
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Audioverstärker - Burst Distorsion und praktische Messanwendungen - ein Workshop!
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FFT Fundamentals
+ PAPERS
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Geometrical Stiffness of Loudspeaker Cones
+ APPLICATION NOTES
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Audio Multi-tone testing techniques
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FM Stereo Radio MPX with RDS testing
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Rapid Bin Centres Frequency Response Analysis
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2 channel Dolby Digital DVD player testing
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Production line QC testing
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Acoustic Testing with the dScope Series III Audio Analyzer
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Board level digital serial interface testing
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Impulse Response Testing with dScope Series III
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Power Amplifier Testing (including Class-D / Digital Power Amplifiers)
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FM stereo multiplex (MPX) with RDS testing Notes
+ SCRIPTS AND AUTOMATION
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FM stereo multiplex with RDS test script
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Automate Microsoft Excel from dScope
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I/O Control script
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Generator sweep equalisation
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SINAD FFT detector calculation script
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Impedance using bin-centres
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Settings report
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dS-NET I/O Switcher controller
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Sweep Generator Application
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Filter Measurements Script
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Auto Sequence 2033
+ QUICK STARTS
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Power Amplifier 1% THD+N regulated sweep
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Power Amplifier 1% THD+N regulation
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Power Amplifier Amplitude vs Frequency Sweep
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Bin-centres example
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DA converter test
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Power Amplifier gain vs frequency sweep
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Power Amplifier Nested THD+N vs Frequency sweep
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Power Amplifier Nth harmonic vs frequency
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Power Amplifier THD+N vs Frequency
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Power Amplifier THD+N vs Power sweep

Relevant Products for Automotive Audio applications

dScope Series III icon dScope Series III
Analogue & Digital Audio Test System
dScope Series IIIA icon dScope Series IIIA
Analogue Audio Test System
dScope Series IIIA+ icon dScope Series IIIA+
Analogue-Plus Audio Test System
dScope Series IIIE icon dScope Series IIIE
Digital and Analogue Essentials test system
I/O Switcher icon I/O Switcher
dS-NET I/O 16 x 2 matrix switcher
Low Pass Filter icon Low Pass Filter
dS Low Pass Filter
VSIO Adapter icon VSIO Adapter
dS-NET VSIO Digital Interface Adaptor



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  Prism Media Products Limited trading as Spectral Measurement (formerly Prism Sound Test and Measurement); Registered in the UK, Reg. No. 2719511
  Address: Unit 1A, Grovemere House, Lancaster Way Business Park, Ely, Cambridgeshire, CB6 3NW, UK