--- title: "Acoustic Testing: End-of-Line, Resonance NDT, Process | RTE" description: "RTE unifies noise testing, material testing and process monitoring in one platform – SonicTC. Fraunhofer spin-off. Hardware-agnostic. Lab to 100% inline." url: https://www.rte.de/en/ lang: en-US --- SonicTC.AT · Material testing live # We hear what others overlook. Acoustic resonance analysis detects cracks, microstructure defects and material deviations – non-destructively in under one second, fully automated, inline. Based on 40 years of Fraunhofer research. [Request feasibility analysis →](https://www.rte.de/en/contact/) [SonicTC Demo](https://www.rte.de/en/contact/#demo) - Fraunhofer spin-off - Non-destructive - 100% inline ![SonicTC.AT · Inline system brake discs · Pfinztal plant](https://www.rte.de/images/hero/hero1-bremsscheiben-anlage.jpg) SonicTC.AT · Inline system brake discs · Pfinztal plant Brake disc · Batch 4421f₀ · Modal hammer + ICP accelerometer Live Inline 2,847Hz f₀ 0.84s Cycle 99.7% Detection −42.3dB Damping within tolerance ▲ OK · IN SPEC SonicTC.NVH · EOL noise testing live Every noise has a cause. We find it. End-of-line noise and vibration testing for series production. Objective assessment of bearings, drives and comfort noise – in real time, within cycle time. [Request feasibility analysis →](https://www.rte.de/en/contact/) [Book NVH demo](https://www.rte.de/en/contact/#demo) - Psychoacoustics - Order analysis - MES-ready ![SonicTC.NVH · Inline test station for e-drives · Tier-1 Automotive](https://www.rte.de/images/hero/hero2-edrive-pruefstation.jpg) SonicTC.NVH · Inline test station for e-drives · Tier-1 Automotive E-Motor · Pos. M-2031Microphone (1/2") + speed sensor Live Run-up 47.3dB(A) SPL 1,420rpm RPM 236Hz BPFO 8.2ms Cycle within comfort spec ▲ OK · CLASS A SonicTC.Platform · Multi-modal live One platform. Three disciplines. Zero compromise. One software architecture for noise, material and process. From lab trial to 100% inline series – with the same database, shared analysis and AI-driven classification. [View platform architecture →](https://www.rte.de/en/contact/) [Test demo licence](https://www.rte.de/en/contact/#demo) - 4 modules - Multi-channel sync - AI analysis ![SonicTC.Platform · Software analysis · Pfinztal Lab](https://www.rte.de/images/hero/hero3-software-analyse.jpg) SonicTC.Platform · Software analysis · Pfinztal Lab Pump P-118 · Multi-sensor4 channels synchronous · 51.2 kHz Live 4 CH **CH 1**Acoustic 52 dB **CH 2**Vibration 3,4 g **CH 3**Temperature 68 °C **CH 4**Current 4,2 A 4CH sync 51.2kHz SR 8proc. live <5µs CH-Sync all channels sync ▲ ALL LIVE SonicTC.Integration · Industry 4.0 Turnkey into your line integrated. Hardware integration into your existing or new production line. PROFINET, OPC UA, Q-DAS, MES – connected with software developed with Fraunhofer since 1986\. Also as OEM component for machine builders. [Request integration kit →](https://www.rte.de/en/contact/) [Machine builder contact](https://www.rte.de/en/contact/#demo) - PROFINET / OPC UA - Q-DAS compliant - Service & support ![SonicTC.Integration · Inline kit on conveyor · Line L-7](https://www.rte.de/images/hero/hero4-foerderband-integration.jpg) SonicTC.Integration · Inline kit on conveyor · Line L-7 Line L-7 · Pfinztal plantPROFINET · OPC UA · Q-DAS · MES Online 5 nodes Sens DAQ IPC SPS MES 12ms Latency 240ks/s Rate 4P. active 99.99% Uptime all nodes online ▲ ALL ONLINE New · Our website just launched! New website. Hidden icons. Your prize! We've completely rebuilt our website – and hidden 5 secret RTE icons inside! Explore our new world, click all 5 and win an Apple Watch. Drawing at Christmas! [Start hunting icons!](#gewinnspiel) [How it works](#gewinnspiel) - 5 hidden icons - Explore new site - 1× Apple Watch RTE Icon Hunt · Contest Icon HuntFind all 5! Game On! 5 Icons 5 Pages 1× Prize ∞ Fun contest is live ▲ START NOW ## Acoustic testing technology from Pfinztal RTE makes AI-assisted acoustic testing fit for industry: capable as a measurement system, 100 % inline and with traceable results – from a mid-sized company for mid-sized companies. Industry customers ## Leading manufacturers rely on SonicTC. ![Daimler](https://www.rte.de/images/kunden/daimler.svg) Automotive ![Bosch](https://www.rte.de/images/kunden/bosch.svg) Antrieb · Sensorik ![ZF](https://www.rte.de/images/kunden/zf.svg) E-Mobilität ![Continental](https://www.rte.de/images/kunden/continental.svg) Brems-Komponenten ![Schaeffler](https://www.rte.de/images/kunden/schaeffler.svg) Lager · Großserie ![Brembo](https://www.rte.de/images/kunden/brembo.svg) Bremstechnik Platform ## One platform. Three disciplines. Other vendors solve one problem. SonicTC solves three: noise testing, material testing and process monitoring – with one software, one UI, one database. Plus a platform backbone for integration, smart factory, data management and smart components. [ SonicTC.NVH Noise Testing NVH analysis for end-of-line and inline testing. Objectively evaluate airborne and structure-borne noise on motors, transmissions, pumps and actuators. Learn more ](https://www.rte.de/en/products-solutions/sonictc-noise-testing/)[ SonicTC.AT Material Testing Resonance analysis detects cracks, structural defects and material mix-ups – non-destructively and fully automated. On cast, sintered, ceramic and forged parts. Learn more ](https://www.rte.de/en/products-solutions/sonictc-material-testing/)[ SonicTC.DSP Process Monitoring Real-time vibration analysis for tool wear, joining processes and machine monitoring. Detect problems before scrap is created. Learn more ](https://www.rte.de/en/products-solutions/sonictc-process-monitoring/)[ Test Equipment Test Hardware From mobile lab device to manual test bench to fully automated inline systems. Integration kits for your machine builders. Learn more ](https://www.rte.de/en/products-solutions/test-equipment/) [Discover the four platform topics →](https://www.rte.de/en/products-solutions/platform-features/) Differentiation ## Why RTE? Six reasons that make the depth-difference – scientific, hardware-agnostic, from lab to line. 01 ### Science at the core. Spin-off of the Fraunhofer Institute. Every procedure in SonicTC is based on applied research. Every year a share of revenue is reinvested in R&D. 02 ### No lock-in. Full freedom. SonicTC works with your existing sensors – Brüel & Kjær, Polytec, PCB and many more. No vendor lock-in. 03 ### From lab to line. The same software scales from lab bench to 100% inline. Test definitions and archives stay compatible. 04 ### AI that hears the difference. Self-learning evaluation and anomaly detection increase discrimination. Less false-rejects, faster ramp-up. 05 ### Test before you invest. TaaS or rental: acoustic test technology without capex risk. From idea to insight in weeks, not months. 06 ### Reliably reachable. By phone, remote or on-site – worldwide. Maintenance, calibration and parameter care under a service contract with defined response times. Use case ## How our customers deploy SonicTC. From a Tier-1 brake manufacturer with 100% inline resonance testing to e-drive OEMs with end-of-line NVH – real examples with measurable results. Brake manufacturer · Automotive Tier-1 ### 100% inline resonance testing on passenger brake discs. Module **SonicTC.AT** Industry **Automotive** Site **Czech Republic** Before commissioning: destructive sampling on 0.5% of parts, 14-day storage, manual evaluation. After SonicTC.AT: 100% of parts tested inline, eigenfrequency ±0.3 Hz, Q-factor and damping evaluated automatically, gapless audit trail for every part. 487ms Test time 100% Inspection rate −72% Complaints [Read full case study](https://www.rte.de/en/use-cases/) Industries ## Your industry. Our solution. Acoustic test technology solves different challenges in every industry. Find yours here. [ ![Automotive production – EOL testing of gearboxes, motors and actuators with SonicTC — Fully AI-generated image](https://www.rte.de/images/branchen/automotive/hero.jpg) Automotive EOL noise testing, eigenfrequency measurement, material resonance. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/automotive/)[ ![E-mobility – NVH testing of e-drives and comfort components in the production line with SonicTC — Fully AI-generated image](https://www.rte.de/images/branchen/e-mobilitaet/hero.jpg) E-Mobility Drivetrain, comfort components, batteries, pumps. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/e-mobility/)[ ![Foundry and sintering – non-destructive resonance testing of cast and sintered parts with SonicTC.AT — Fully AI-generated image](https://www.rte.de/images/branchen/giesserei-sintertechnik/hero.jpg) Foundry & Sintering Microstructure, nodularity, material mix-ups – non-destructive. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/foundry-sintering/)[ ![Machine engineering – acoustic process monitoring of tool wear and spindles with SonicTC.DSP — Fully AI-generated image](https://www.rte.de/images/branchen/maschinenbau/hero.jpg) Machine Engineering Process monitoring, tool wear, condition monitoring. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/machine-engineering/)[ ![Medical technology – validated material testing (IEC 62304, ISO 13485) of implants and instruments with SonicTC.AT — Fully AI-generated image](https://www.rte.de/images/branchen/medizintechnik/hero.jpg) Medical Technology Implants, instruments, precision components. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/medical-technology/)[ ![Home appliances – end-of-line noise testing of washing machines, dryers and fans with SonicTC.NVH — Fully AI-generated image](https://www.rte.de/images/branchen/haushaltstechnik/hero.jpg) Home Appliances Motors, pumps, fans, compressors – noise-tested. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/home-appliances/)[ ![Aerospace – acoustic test technology with SonicTC: Turbine blades, structural panels, composites – resonance testing for safety-critical parts. — Fully AI-generated image](https://www.rte.de/images/branchen/luftfahrt/hero.jpg) Aerospace Turbine blades, structural panels, composites – resonance testing for safety-critical parts. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/aerospace/)[ ![Agricultural Machinery – acoustic test technology with SonicTC: Gearboxes, drive assemblies, pumps and tanks – noise, function and material testing for agricultural machinery suppliers. — Fully AI-generated image](https://www.rte.de/images/branchen/landmaschinen/hero.jpg) Agricultural Machinery Gearboxes, drive assemblies, pumps and tanks – noise, function and material testing for agricultural machinery suppliers. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/agricultural-machinery/)[ ![Construction – acoustic test technology with SonicTC: Refractories, bricks, tiles, concrete products – non-destructive quality assurance of building materials and components. — Fully AI-generated image](https://www.rte.de/images/branchen/bauwesen/hero.jpg) Construction Refractories, bricks, tiles, concrete products – non-destructive quality assurance of building materials and components. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/construction/)[ ![Sintered parts – inline resonance testing of density, cracks and sintering grade in powder metallurgy with SonicTC.AT — Fully AI-generated image](https://www.rte.de/images/branchen/sinterteile/hero.jpg) Sintered Parts Density, cracks, sintering grade, material mix-ups – including additively manufactured 3D metal parts, 100 % non-destructive. Industry page → ](https://www.rte.de/en/products-solutions/industry-solutions/sintered-parts/) Trust in numbers ## Four decades of acoustic test technology. From the Fraunhofer Institute into the production lines of leading industrial customers. 40+ years of experience 180+ inline systems worldwide < 1s typical test time 99.8% inline availability Keynote ## Acoustic test technology at a glance. From sound generation to noise and vibration analysis to application examples – in just a few minutes. This video is provided by YouTube. By playing it, data will be transmitted to YouTube. Case study ## Acoustics helps! Effective, flexible and customer-oriented. When a delivery and production stop requires immediate failure analysis – acoustic test technology delivers. A delivery stop due to quality defects at the customer requires immediate action. You cannot look inside metallic parts to see if they are free from cracks and structural damage. CT methods allow insight, but are only practical for laboratory use. In an urgent customer case, a fast test solution was needed to secure delivery capability. The challenge: **no defective reference parts** available for system training. By parameterizing against defect-free reference parts, all deviating parts could be filtered out. The flagged parts were subsequently examined metallurgically and by CT – the acoustic results were confirmed. Delivery capability and quality monitoring were secured. [Our services →](https://www.rte.de/en/services/) > "Optimists see an opportunity in every difficulty. Pessimists see a difficulty in every opportunity." Jörg Ritter, Director RTE Akustik + Prüftechnik GmbH New Website · Contest ## Treasure hunt on our new website! We've completely rebuilt our website – and hidden 5 secret RTE icons inside. Click all 5, fill out the form and you could win an Apple Watch! Drawing at Christmas 2026. This is already the first icon! Click it. All 5 look just like this – colorful, animated circles with the RTE lettering. Find the other 4 on other pages. ### Your treasure hunt Icon 1 keep looking ... Icon 2 keep looking ... Icon 3 keep looking ... Icon 4 keep looking ... Icon 5 keep looking ... You did it – all 5 icons found! Now it's your turn: fill out the form and win an Apple Watch! You have already entered the contest. Terms and conditions 1. **Organiser:** RTE Akustik + Prüftechnik GmbH, Gewerbestr. 26, 76327 Pfinztal, Germany. 2. **Participation period:** The contest runs from publication on the website until 23 December 2026\. Entry deadline is 23 December 2026, 23:59 CET. 3. **Eligibility:** Natural persons aged 18 or over residing in Germany, Austria or Switzerland are eligible. Employees of RTE GmbH and their relatives are excluded. 4. **Participation:** To participate, all 5 hidden RTE icons on the website must be found and clicked, and the entry form must be completed. Only one entry per person is permitted. 5. **Prize:** Among all valid participants, 1× Apple Watch will be drawn. 6. **Winner determination:** The winner will be determined by lot on Christmas Day (24 December 2026) and notified by email. 7. **Prize delivery:** The prize will be delivered by post. Cash payment is not possible. The prize is non-transferable. 8. **Early termination:** The organiser reserves the right to terminate or modify the contest at any time for good cause. 9. **Legal recourse:** Legal recourse is excluded. 10. **Miscellaneous:** The laws of the Federal Republic of Germany apply. If individual provisions are invalid, the validity of the remaining provisions remains unaffected. Privacy notice for the contest 1. **Data controller:** RTE Akustik + Prüftechnik GmbH, Gewerbestr. 26, 76327 Pfinztal. 2. **Data collected:** First name, last name, email address. 3. **Purpose:** Data is used exclusively for conducting the contest and notifying the winner. 4. **Legal basis:** Art. 6(1)(a) GDPR (consent). 5. **Storage duration:** Data will be deleted no later than 30 days after the contest ends. 6. **Disclosure:** Data will not be shared with third parties. 7. **Right of withdrawal:** Consent can be withdrawn at any time by emailing [info@rte.de](mailto:info@rte.de). Withdrawal leads to exclusion from the contest. 8. **Further information:** See our [privacy policy](https://www.rte.de/en/privacy/). ## Ready to experience acoustic test technology in your line? Send us your part or schedule an online demo. First assessment within 24 hours. [Request feasibility study](https://www.rte.de/en/contact/) [Request demo](https://www.rte.de/en/contact/#demo) Or call directly: [+49 721 94650-0](tel:+497219465000)