BS EN ISO 24500-2010 Ergonomics Accessible design Auditory signals for consumer products《人类工效学 无障碍设计 消费品用听觉信号》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 24500:2010Ergonomics Accessible design Auditory signals for consumer products (ISO 24500:2010)BS EN ISO 24500:2010 BRITISH STANDARDNational forewordThis British Standar

2、d is the UK implementation of EN ISO24500:2010.The UK participation in its preparation was entrusted to TechnicalCommittee PH/9/1, Ergonomics of the physical environment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport

3、 to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 68945 1ICS 11.180.15; 13.180Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theSt

4、andards Policy and Strategy Committee on 30 November 2010.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 24500 October 2010 ICS 11.180.15; 13.180 English Version Ergonomics - Accessible design - Auditory signals for consumer products (IS

5、O 24500:2010) Ergonomie - Conception accessible - Signaux auditifs pour produits de consommation courante (ISO 24500:2010) Ergonomie - Zugngliche Gestaltung - Akustische Signale fr Konsumgter (ISO 24500:2010) This European Standard was approved by CEN on 30 September 2010. CEN members are bound to c

6、omply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Mana

7、gement Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as

8、the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Roma

9、nia, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved

10、worldwide for CEN national Members. Ref. No. EN ISO 24500:2010: EBS EN ISO 24500:2010EN ISO 24500:2010 (E) 3 Foreword The text of ISO 24500:2010 has been prepared by Technical Committee ISO/TC 159 “Ergonomics” of the International Organization for Standardization (ISO) and has been taken over as EN

11、ISO 24500:2010 by Technical Committee CEN/TC 122 “Ergonomics” the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2011, and conflicting national standard

12、s shall be withdrawn at the latest by April 2011. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Interna

13、l Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembou

14、rg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 24500:2010 has been approved by CEN as a EN ISO 24500:2010 without any modification. BS EN ISO 24500:2010ISO 24500:2010(E) ISO 2010 All

15、 rights reserved iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a s

16、ubject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission

17、(IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical comm

18、ittees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not

19、be held responsible for identifying any or all such patent rights. ISO 24500 was prepared by Technical Committee ISO/TC 159, Ergonomics, Subcommittee SC 5, Ergonomics of the physical environment. BS EN ISO 24500:2010ISO 24500:2010(E) iv ISO 2010 All rights reservedIntroduction People are surrounded

20、by various consumer products: home electrical appliances, information and communication products, office-automation equipment, gas-heating equipment, toys, sanitary equipment, health-care products, cameras, etc. Auditory signals of such products must be designed so that the user can easily hear the

21、signals in various circumstances where the product is normally used, and understand the objective and meaning of signalling. This International Standard has been developed for improving the usability and accessibility of auditory signals used in such consumer products, thereby improving the products

22、 themselves when they are used by all people, including those with visual impairments and older people with age-related hearing impairments. Older people include those aged 65 and above for whom age-related changes of hearing become obvious. The auditory-signal patterns specified in this Internation

23、al Standard were selected based on results of experiments in which people of different age ranges and with different levels of visual impairment participated. Regarding the signals, it was confirmed that the purpose of signalling was easy for listeners to understand and that the signals were not eas

24、ily confused with signals in other signal categories. This International Standard adopts the principles of accessible design presented in ISO/IEC Guide 71 and amplified in ISO/TR 22411. BS EN ISO 24500:2010INTERNATIONAL STANDARD ISO 24500:2010(E) ISO 2010 All rights reserved 1Ergonomics Accessible d

25、esign Auditory signals for consumer products 1 Scope This International Standard specifies the auditory signals used as a means of feedback for operations or conditions of consumer products when used by a person with or without visual or auditory impairment. It is intended to be applied as appropria

26、te to such products depending on the product type and its conditions of use. It is applicable to auditory signals of a fixed frequency used in general applications (also called “beep sounds”), but not to variable frequency or melodic sounds. It does not specify fire or gas leak alarm sounds or crime

27、 prevention alarm sounds (determined by other laws and regulations), electronic chimes, voice guides or other sounds particular to communication instruments such as telephones; nor is it applicable to auditory danger signals for public or work areas (covered in ISO 7731, ISO 8201, and ISO 11429). It

28、 is not applicable to machines and equipment used for professional work; nor does it specify the sound pressure levels of auditory signals from the consumer products. NOTE For the determination of these levels, taking into consideration accessible design, see ISO 24501. 2 Normative references The fo

29、llowing referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050-801, International electrotechnical vocabular

30、y Chapter 801: Acoustic and electroacoustics 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-801 and the following apply. 3.1 auditory signal sound emitted from a product for the purpose of conveying information to help the user to use the prod

31、uct correctly 3.2 operation action which the user performs, using a product for achieving a purpose BS EN ISO 24500:2010ISO 24500:2010(E) 2 ISO 2010 All rights reserved3.3 operation confirmation signal sound acknowledging the response of a product immediately after a users action to operate it NOTE

32、Operation confirmation signals include reception and start signals, stop signals and starting position signals. 3.3.1 reception and start signal auditory signal acknowledging receipt of a users action to start or operate the product 3.3.2 stop signal auditory signal acknowledging the users action to

33、 stop the operation of the product 3.3.3 starting position signal auditory signal announcing the reference or starting position for the case in which the user makes a menu selection by repeatedly pushing a button 3.4 end signal sound announcing the completion of a product action 3.5 caution signal s

34、ound announcing that the product cannot function independently in normal operation (or state) NOTE 1 Caution signals differ in purpose from auditory emergency signals and auditory warning signals. The latter two signals are used to notify people of a serious dangerous situation in public and work ar

35、eas and are defined in ISO 7731. NOTE 2 The caution signal is classified into weak and strong caution signals according to the degree of importance of the information. 3.5.1 weak caution signal auditory signal which attracts the attention of the user to operation mistakes and requests the users rese

36、tting of the product or assisting in the operation EXAMPLE An auditory signal of a washing machine announcing that the lid is open. 3.5.2 strong caution signal auditory signal announcing the necessity of interrupting operation of the product and the user intervening to correct some abnormality befor

37、e continuation of operation EXAMPLE An auditory signal of an electric oven announcing that it has stopped heating because of overheating. 3.6 ON time time during which the signal continues to sound 3.7 OFF time time without sounding a signal 3.8 ON/OFF pattern sequence of ON times and OFF times that

38、 constitute a signal BS EN ISO 24500:2010ISO 24500:2010(E) ISO 2010 All rights reserved 34 General aspects of auditory signals for products 4.1 User control of volume level The user should be able to adjust the volume level of auditory signals based on hearing ability, distance from the product, eff

39、ects of ambient environmental sounds, etc. NOTE ISO 24501 describes detailed methods for setting and adjusting the sound pressure level of auditory signals in noise. 4.2 Repetition of caution signals Caution signals shall be repeated only as long as the cause of signalling exists. 4.3 Fundamental fr

40、equency of auditory signals The fundamental frequency of auditory signals should not be higher than 2,5 kHz. NOTE 1 The definition of “fundamental frequency” is given in IEC 60050-801. NOTE 2 Many older users with age-related hearing loss have difficulty hearing high-frequency tones. NOTE 3 Audibili

41、ty of signals depends not only on their frequency, but also on their sound pressure level. ISO 24501 gives detailed methods for setting and adjusting the sound pressure level of auditory signals. 4.4 Options for signal frequencies Products should provide several options for signal frequencies so tha

42、t users with hearing impairments can select an audible signal. 4.5 Use of complex sound signals Products should provide a complex sound signal (i.e. a signal with several harmonics, containing more than one frequency component). NOTE 1 The definition of “complex sound” is given in IEC 60050-801. NOT

43、E 2 Complex sound signals are more likely to be heard than pure-tone-like signals by people with impaired hearing at some frequencies. 4.6 Turning off auditory signals Except for caution signals, the user should be provided with a means to turn off auditory signals. 5 Temporal patterns of auditory s

44、ignals 5.1 General Auditory signals are more abstract than spoken instructions. For this reason, temporal patterns of auditory signals should be designed so as to be understood without giving further instruction to the user, and not to be confused with other auditory signals used by the same product

45、 or those of another product used at the same time and place. BS EN ISO 24500:2010ISO 24500:2010(E) 4 ISO 2010 All rights reservedThe temporal patterns of auditory signals presented in 5.2 to 5.4 shall be used for each signal category. NOTE A temporal pattern is a robust cue by means of which the us

46、er discriminates auditory signals from one another; it can therefore be used more effectively than other acoustic characteristics such as frequency or timbre. 5.2 Operation confirmation signals ON/OFF patterns in accordance with Table 1 shall be used for operation confirmation signals. Table 1 ON/OF

47、F patterns of operation confirmation signals ON time OFF time Signal category s s Repetition Onomatopoeic description Pattern Reception and start signal 0,1 0,15 Single repetition Pip Stop signal 0,5 0,6 Single repetition Peep Starting position signal 0,05 0,075 0,05 0,075 Single repetition Pippip (

48、quick) ON1 = ON2 ON1 W OFF, ON2 W OFF 5.3 End signals ON/OFF patterns in accordance with Table 2 shall be used for end signals. Two or more signals may be used in a product if necessary. The patterns are presented in an arbitrary order, and any signal may be chosen from a signal category, as appropr

49、iate. BS EN ISO 24500:2010ISO 24500:2010(E) ISO 2010 All rights reserved 5Table 2 ON/OFF patterns of end signals ON time OFF time Signal category s s Repetition Onomatopoeic description Pattern 0,5 1,0 Single repetition Peep Case of hearing at a position where the product is within reachaON1 = 0,1 ON2 = 0,8 0,5 Single repetition Pi,pi,pi,peep (slowly) 0,3 0,8 0,5 1,0 Multiple repetition Pip, pip, pip, pip, (specified times, slowly) ON time u OFF time The number of repetitions is discretionary, but numerous

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