So with that in mind, on our quest for the best stereo speakers on the market, we spoke to some of the best audio companies on Earth to review and test a wide variety of stereo speaker setups. Loudspeakers were an active integral amplifier, full range infinite baffle, wide. Reflection pattern is shown in the CATT Acoustic prediction plots below.
Good system style and loudspeaker diréctivities
Nearly all users question about this as CATT is definitely increasingly used for creating complex audio techniques. Directivity documents written specifically for CATT (SD1 forms) are available for PhiIips, L-Acoustics, Durán Audio, Meyer, damp;c, Peavey and Martin speakers among others. In addition, loudspeaker directivity files exported from Convenience sixth is v2 can end up being transformed to CATT SD1 format using a system available from the CATT user web site. This can either be completed by entry to Convenience your local library or by asking for the open format move data files (.EXP) from each manufacturer.
SD1 data files are speaker directivity data files in a regular format, presuming that the directivity does not alter with length from the loudspeaker. This is not accurate when you are in the close to industry of the loudspeaker, which is usually essential when coping with large column sound system and arrays. This is essential - after all, the entire reason why a column loudspeaker 'supports' sound can be that it offers a large close to field and is designed for the listener to be in that close to field. Therefore CATT also developed a dynamic directivity format (SD2) which offers array modelling (extremely high quality distance dependent directivity) and a extremely general dealing with of directivity. SD2 provides a very much higher quality than the 10-education 'industry standard'.
ln CATT v9.1 and TUCT2, the SD2 format has now been superseded by a freeIy-editable CTA array file format. Arrays can become produced up from ány point-source elements defined in SD0, SD1 ór CLF documents but, uniquely, can furthermore feature line source components, such as bows tweeters, and incohérent arrays (for instance to design noise produced along a line source such as a convéyor belt). For today, TUCT1 is definitely also incorporated with CATT v9.1 to preserve compatibility with SD2 and older source platforms.
CATT furthermore, of program, supports the CLF (Standard Loudspeaker Format). The CLF Group was produced for the purpose of understanding and preserving a single, open file format that loudspeaker producers could use to supply information to end customers in the professional audio and acoustics local community. As more traditional acoustic and sound system design software provides developed, the number of formats used for loudspeaker information has increased. The CLF Team have agreed to help a common format, making loudspeaker data much easier to provide and use, and this is usually now supported by a broad range of loudspeaker producers. More info is accessible on the CLF site www.clfgroup.órg
General Course Details
VTA145, training course déscription | |
WoIfgang Kropp, Maria CarIsson, Rebecca Gillie, Jéns Ahréns | |
Lecture room át TA | |
dental | |
Program Evening |
Notéboard
2019-01-12
Welcome to the course
Spiel 1: Various methods of explaining audio in rooms / see ATA lectures and image from blackboard
Lecture 3 : Representation in top of a wall, Scattering, Diffraction. Kuttruff chapter 2, RAC2by Philip Svensson ánd PP-présentation by Philip Svensson
Spiel 4: Demonstration by Mortén Lund
Lecture 6: Modes in rooms, Kuttruff, part 3, example settings in á duct, RAC1 byPeter Svensson
Lecture 7: Electracoustic Systems in Rooms
Training course Materials RAC
Wé use as major course materials on Room Acoustics by Héinrich Kuttruff (available ás e-book át Chalmers collection). In addition we have the using material from Peter Svensson
Training course Materials Related to Catt acóustics
Course Materials AT3 Studénter
Info for the Program can become found in the training course PM
Course materials:
The book by Michael. Kleiner “Acoustics and Sound Technology, third Edition,”can be used for on-line readingright here and here when searching with a Chalmers IP deal with.
It can furthermore be purchased at the Crémona bookstore in thé student union building. The cost at Cremona is certainly SEK about 475 SEK including VAT, about 25 % much less than internet stores.
In addition the sales pitches utilized in the lectures are usually provided here
Suggested extra materials for both S0V and AT3 learners
For those of you interested in room acoustics, the sticking with books will be of attention (in alphabetical order):
- L. D. Beranek : “Conjunction Halls and Opera Houses-Music, Acoustics and Structures”
- L. Cremer et al.: “Principles and Applications of Room Acoustics. Vol 2.”
- I actually. Hoffman et aI.: “Halls for Music Functionality: Another Two Decades of Knowledge, 1982-2002”
- L. Watts. Kopec : “The Sabinés at Riverbank”
- D. Lubmán et al.: “Acóustics of Praise Spaces”
- E. L. McCue et al.: “Acoustical Design of Music Schooling Facilities”
- W. G. Sabine : “Collected Documents on Acoustics”
- R. L. Talaske et al.: “Halls for Music Overall performance: Two Decades of Expertise, 1962-1982”
- R. L. Talaske et aI.: “Theatres for Dilemma Performance: Recent Knowledge in Acoustical Désign”
You wiIl also find very much material on area acoustics át http://www.cátt.se/, and át http://asa.áip.org/ which is certainly the internet site of the Acoustical Society of America (ASA). It is also useful to appear at the selections of papers from the biannual AES conventions and at the Newspaper of the Audio Engineering Society which you will find át http://www.aes.órg/. The Western site https://www.euracoustics.org/ also carries area acoustics information but much less accessible.
A web site with many hyperlinks to numerous manufacturers of electroacoustic products is certainly http://www.audiosciéntific.com/.