IEC TR 60899-1987 Sampling rate and source encoding for professional digital audio recording《专业数字录音的采样率和声源编码》.pdf

1、RAPPORT TECHNIQUE TECHNICAL REPORT CE1 IEC 60899 Premire dition First edition 1987-03 Frquence dchantillonnage et codage la source pour lenregistrement audionumrique professionnel Sampling rate and source encoding for professional digital audio recording Numro de rfrence Reference number CEMEC 60899

2、: 1987 Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Numros des publications Depuis le ler janvier 1997, les publications de la CE1 sont numrotes partir de 60000. Publicatio

3、ns consolides Les versions consolides de certaines publications de la CE1 incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorpo

4、rant les amendements 1 et 2. Validit de la presente publication Le contenu technique des publications de la CE1 est constamment revu par la CE1 afin quil reflte ltat actuel de la technique. Des renseignements relatifs la date de reconfir- mation de la publication sont disponibles dans le Catalogue d

5、e la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ainsi que la liste des publications tablies, se trouvent dans les documents ci- dessous: Site web de la CEI* Catalogue des publications de la CE1 Publi an

6、nuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de la CE1 Disponible la fois au , sur la page de titre. Numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. Consolidated publications Consolidated versions of some IEC publications

7、including amendments are available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incor- porating amendment 1 and the base publication incorporating amendments 1 and 2. Validity of this publication The technical content of IEC public

8、ations is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the reconfirmation of the publication is available in the IEC catalogue. Information on the subjects under consideration and work in progress undertaken by

9、 the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: IEC web site* Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* IEC Bulletin Available both at the IEC web sit

10、e* and as a printed periodical Terminology, graphical and letter symbols For general terminology, readers are referred to I EC 60050: International Electrotechnical Vocabulary (IEV). For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publ

11、ications IEC 60027: Letter symbols to be used in electrical technology, I EC 6041 7: Graphical symbols for use on equipment. Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols for diagrams. * See web site address on title page. Copyright International Electrotechnica

12、l Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-RAPPORT TECHNIQUE CE1 IEC TECH N I CAL REPORT Premire dition First edition 1987-03 Frquence dchantillonnage et codage la source pour lenregistrement audionumrique pro

13、fessionnel Sampling rate and source encoding for professional digital audio recording O IEC 1987 Droits de reproduction rservs - Copyright - all rights reserved Aucune partie de cette publication ne peut tre reproduite ni No part of this publication may be reproduced or utilized in utilise sous quel

14、que forme que ce soit et par aucun any form or by any means, electronic or mechanical, procd, lectronique ou mcanique, y compris la photo- including photocopying and microfilm, without permission in copie et les microfilms, sans laccord crit de Iditeur. writing from the publisher. International Elec

15、trotechnical Commission Telefax: +41 22 919 0300 3, rue de Varemb Geneva, Switzerland IEC web site http: /www.iec.ch e-mail: inmailiec.ch C CODE PRIX PRICE CODE Pour prix, voir catalogue en vigueur For prfce, see current catalogue Commission Electrotechnique Internationale International Electrotechn

16、ical Commission O MeMAYHapOAHaR 3neMTPOTeXHHW3CMaR HOMHCCHR Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2- Rgle des Six Mois 60A(BC)83 899 O CE1 1987 Rapport de vote 60A(B

17、C)92 COMMISSION LECTROTECHNIQUE INTERNATIONALE FRQUENCE DCHANTILLONNAGE ET CODAGE LA SOURCE POUR LENREGISTREMENT AUDIONUMRIQUE PROFESSIONNEL PRAMBULE I) Les dcisions ou accords offciels de la C EI en ce qui concerne les questions techniques. prpars par des Comits dEtudes O sont reprsents tous les Co

18、mits nationaux sintressant ces questions, expriment dans la plus grande mesure possible un accord international sur les sujets examins. 2) Ces dcisions constituent des recommandations internationales et sont agres comme telles par les Comits nationaux. 3) Dans le but dencourager lunification interna

19、tionale, ia C Ei exprime le vu que tous les Comits nationaux adoptent dans leurs rgles nationales le texte de la recommandation de la CEI, dans la mesure O les conditions nationales le permettent. Toute divergence entre la recommandation de la C E I et la rgle nationale correspondante doit, dans la

20、mesure du possible, tre indique en termes clairs dans cette dernire. PRFACE Le prsent rapport a t tabli par le Sous-Comit 60A: Enregistrement sonore, du Comit #Etudes no 60 de la CEI: Enregistrement. Le texte de ce rapport est issu des documents suivants: Pour de plus amples dessus. Copyright Intern

21、ational Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-899 O IEC 1987 -3- INTERNATIONAL ELECTROTECHNICAL COMMISSION SAMPLING RATE AND SOURCE ENCODING FOR PROFESSIONAL DIGITAL AUDIO RECORDING FOREWOR

22、D i) The formal decisions or agreements ofthe I EC on technical matters, prepared by Technical Committees on which all thehlational Committees having a special interest therein are represented, express, as nearly as possible, an international consensus of opinion on the subjects dealt with. 2) They

23、have the form of recommendations for international use and they are accepted by the National Committees in that sense. 3) In order to promote international unification, the 1EC expresses the wish that all National Committees should adopt the text of the I EC recommendation for their national rules i

24、n so far as national conditions will permit. Any divergence between the I EC recommendation and the corresponding national rules should, as far as possible, be clearly indicated in the latter. PREFACE This report has been prepared by I EC Sub-committee 60A: Sound recording. ofTechnical Committee No.

25、 60: Recording. The text of this report is based on the following documents: I Six Months Rule I Report on Voting I 60A(C0)83 60A(C0)92 I I I Further information can be found in the Report on Voting indicated in the table above. Copyright International Electrotechnical Commission Provided by IHS und

26、er license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4- 899 O CE1 1987 FRQUENCE DCHANTILLONNAGE ET CODAGE A LA SOURCE POUR LENREGISTREMENT AUDIONUMERIQUE PROFESSIONNEL 1. Domaine dapplication Le prsent rapport sapplique la frquence dchantillonnage et

27、au codage la source pour lenregistrement audionumrique professionnel. 2. Recommandations pour la frquence dchantillonnage et le codage la source Pour lenregistrement audionumrique professionnel, on recommande: a) une frquence dchantillonnage de 48 kHz; b) un codage a la source linaire, en complment

28、a deux, et avec un minimum de 16 bits. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-899 O IEC 1987 -5- SAMPLING RATE AND SOURCE ENCODING FOR PROFESSIONAL DIGITAL AUDIO RECO

29、RDING 1. Scope This report applies to sampling rate and source encoding for professional digital audio recording. 2. Recommendations for sampling rate and source encoding Recommendations for professional digital audio recording are : a) a sampling rate of 48 kHz; b) source encoding linear in a twos

30、complement binary representation with a minimum of 16 bits. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright International Electrotechnical Commission Provided by IHS

31、 under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ICs 33.160.30 Typeset and printed by the IEC Centrai Office GENEVA, SWITZERLAND Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-