Welcome to the homepage of A-QNS.
As an association, we are dedicated to the quality assurance of noise calculation software.
Use the menu to find relevant information about our partners, our working methods as well as the certification process.
The aim of our association is the quality assurance of software for noise calculation. Our main activities here are the testing and certification of the implementation of calculation procedures in software by an external testing body.
This is done by normatively defined test tasks. Members of our association are persons, companies or institutes with noise immission control as their main focus of activity.
The A-QNS certification is carried out by an inspection body. This is independent and not a member of an association. Test tasks are defined in the DIN 45687 and ISO 17534 standards, among others. Through the test report created during certification and the reference to the corresponding test tasks, every software user has the possibility to check the correctness of the A-QNS certificate himself by recalculation.
The combination of the manufacturer's own declaration, external certification via the A-QNS association and the possibility of recalculation by the software users results in a transparent and solid quality assurance framework.
Verband zur Förderung der Qualitätssicherung von Software zur Berechnung von Schall e.V.
Dornierstr. 4
82205 Gilching
E-Mail: [email protected]
Verband zur Förderung der Qualitätssicherung von Software zur Berechnung von Schall e.V.
Dornierstr. 4
82205 Gilching
E-Mail: [email protected]
Board members: Janosch Blaul, Michael Gillé, Fabian Probst
Two members of the Board of Management represent the Company jointly.
Registry Court: Amtsgericht Stuttgart
Registry Number: VR 725666
Representation in terms of § 18 Abs. 2 MStV
Janosch Blaul
Max-Planck-Straße 15
97204 Höchberg
Legal information
1. Liability limitation
The contents of this website are created with the greatest possible care. However, the provider does not guarantee the accuracy, completeness and actuality of the provided contents. The use of the contents of the website is at the user's own risk.
Contributions identified by name reflect the opinion of the respective author and not always the opinion of the provider. The pure use of the provider's website does not constitute any contractual relationship between the user and the provider.
2. External links
This website contains links to third-party websites ("external links"). These websites are subject to the liability of the respective operators. When the external links were first created, the provider checked the third-party content for any legal violations. At that time, no legal violations were visible. The provider has no influence on the current and future design and content of the linked pages. The creation of external links does not mean that the provider adopts the content behind the reference or link as its own. It is not reasonable for the provider to constantly monitor the external links without concrete evidence of legal violations. However, such external links will be deleted immediately if legal violations become known.
3. Copyrights and ancillary copyrights
The content published on this website is subject to German copyright and ancillary copyright law. Any use not permitted by German copyright and ancillary copyright law requires the prior written consent of the provider or the respective copyright holder. This applies in particular to the copying, editing, translation, storage, processing or reproduction of content in databases or other electronic media and systems. Contents and rights of third parties are marked as such. The unauthorized reproduction or distribution of individual content or complete pages is not permitted and is illegal. Only the production of copies and downloads for personal, private and non-commercial use is permitted. The display of this website in external frames is only permitted with written permission.
This privacy policy is intended to inform the users of this website about the nature, scope and purpose of the collection and use of personal data by the website operator, namely: The Association for the Promotion of Quality Assurance of Software for Noise Calculation e.V. (A-QNS).
The website operator takes your data protection very seriously and treats your personal data confidentially and in accordance with the statutory regulations. As new technologies and the constant further development of this website may result in changes to this data protection declaration, we recommend that you read through the data protection declaration again at regular intervals.
Definitions of the terms used (e.g. "personal data" or "processing") can be found in Art. 4 DSGVO.
Access data
We, the website operator or page provider, collect data on accesses to the website on the basis of our legitimate interest (see Art. 6 para. 1 lit. f. DSGVO) and store these as "server log files" on the website server. The following data is logged in this way:
- Visited website
- Time at the time of access
- Amount of data sent in bytes
- Source/reference from which you reached the page
- Browser used
- Operating system used
- IP address used
The server log files are stored for a maximum of 7 days and then deleted. The data is stored for security reasons, e.g. to be able to clarify cases of misuse. If data must be retained for evidentiary reasons, it is exempt from deletion until the incident has been finally clarified.
Reach measurement & cookies
This website uses cookies for pseudonymised range measurement, which are transferred to the user's browser either by our server or by a third party server. Cookies are small files that are stored on your terminal device. Your browser accesses these files. The use of cookies increases the user-friendliness and security of this website.
If you do not want cookies to be stored on your terminal device for the purpose of measuring reach, you can object to the use of these files here.
Collection and processing of personal data
The website operator collects, uses and discloses your personal data only if this is permitted by law or if you consent to the collection of such data. Personal data is any information that can be used to identify you personally and that can be traced back to you - for example, your name, e-mail address and telephone number.
You can also visit this website without providing any personal information. However, in order to improve our online services, we store (without personal reference) your access data to this website. This access data includes, for example, the file you requested or the name of your internet provider. By anonymising the data, it is not possible to draw conclusions about your person.
We process personal data such as first name, surname, IP address, e-mail address, place of residence, postcode and content details from the contact form. We only process personal data with the express permission of the users concerned and in compliance with the applicable data protection regulations. The processing of personal data is based on our legitimate interest in fulfilling our contractually agreed services and optimising our online offering.
Handling of contact data
If you contact us as the website operator using the contact options offered, your details will be stored so that they can be used to process and respond to your enquiry. This data will not be passed on to third parties without your consent.
Dealing with comments and contributions If you leave a contribution or comment on this website, your IP address will be stored. This is done on the basis of our legitimate interests within the meaning of Art. 6 para. 1 lit. f. DSGVO and serves the security of us as website operator: because if your comment violates applicable law, we can be prosecuted for it, which is why we have an interest in the identity of the comment or post author.
Google Analytics
Due to our legitimate interests, this website uses the "Google Analytics" service to optimise and analyse our online offer within the meaning of Art. 6 Para. 1 lit. f. DSGVO the service "Google Analytics", which is offered by Google Inc. (1600 Amphitheatre Parkway Mountain View, CA 94043, USA). The service (Google Analytics) uses "cookies" - text files that are stored on your terminal device. The information collected by the cookies is usually sent to a Google server in the USA and stored there.
Google LLC complies with European data protection law and is certified under the privacy-shield-agreement.
IP anonymisation is used on this website. The IP address of the user is shortened within the member states of the EU and the European Economic Area and in the other contracting states of the agreement. Only in individual cases is the IP address initially transmitted unabbreviated to a Google server in the USA and shortened there. This shortening eliminates the personal reference of your IP address. The IP address of the user transmitted by the browser is not combined with other data stored by Google.
Under the terms of the data protection agreement which we, as the website operator, have concluded with Google Inc., the latter uses the information collected to evaluate website use and website activity and provides services associated with internet use.
The data collected by Google on our behalf is used to evaluate the use of our online offer by individual users, e.g. to create reports on website activity in order to improve our online offer.
You have the option of preventing cookies from being stored on your device by making the appropriate settings in your browser. It is not guaranteed that you will be able to access all functions of this website without restrictions if your browser does not allow cookies.
Furthermore, you can use a browser plug-in to prevent the information collected by cookies (including your IP address) from being sent to and used by Google Inc. The following link will take you to the corresponding plugin.
Here you will find further information on the use of data by Google Inc.
(data collected by Google partners).
Rights of the user
As a user, you have the right to request free information about what personal data has been stored about you. You also have the right to have inaccurate data corrected and to have processing restricted or deleted of your personal data. If applicable, you can also exercise your right to data portability. If you believe that your data has been processed unlawfully, you can lodge a complaint with the relevant supervisory authority.
Deletion of data
Unless your request conflicts with a legal obligation to retain data (e.g. data retention), you have a right to have your data deleted. Data stored by us will be deleted if it is no longer required for its intended purpose and there are no legal retention periods. If deletion cannot be carried out because the data is required for permissible legal purposes, data processing will be restricted. In this case, the data will be blocked and not processed for other purposes.
Right of objection
Users of this website may exercise their right to object to the processing of their personal data at any time.
If you wish to have your personal data corrected, blocked, deleted or if you wish to obtain information about the personal data stored about you or if you have any questions regarding the collection, processing or use of your personal data or if you wish to revoke any consent you have given, please contact us at the following e-mail address:
Status October 2022
The Association for the Promotion of Quality Assurance of Software for Noise Calculation e.V. (A-QNS)
© 2022. All rights reserved.