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Keywords = sonic artefacts

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13 pages, 18425 KiB  
Article
Understanding the Quadruple Flutes of Teotihuacan, Mexico
by Arnd Adje Both
Heritage 2022, 5(1), 157-169; https://doi.org/10.3390/heritage5010009 - 11 Jan 2022
Cited by 1 | Viewed by 3864
Abstract
This paper presents the results of a study on the quadruple flutes (multiple pipes) from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the fragmented, restored and partly reconstructed archaeological finds and the manufacture and subsequent test [...] Read more.
This paper presents the results of a study on the quadruple flutes (multiple pipes) from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the fragmented, restored and partly reconstructed archaeological finds and the manufacture and subsequent test of a series of playable reproductions with a refined reconstructive design. For the latter, organological features, such as the diameter, number and position of the fingerholes/tone holes and the length of the individual pipes of the restored finds are challenged and a new design is proposed that might be closer to the original construction of the Teotihuacan instruments. The study reveals a better understanding of the particular construction, acoustics and musical possibilities of the Teotihuacan quadruple flutes. Full article
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38 pages, 22286 KiB  
Article
Sonic Artefacts of Teotihuacan, Mexico (Horns, Trumpets and Pipes)
by Arnd Adje Both
Acoustics 2021, 3(3), 507-544; https://doi.org/10.3390/acoustics3030034 - 3 Aug 2021
Cited by 5 | Viewed by 9371
Abstract
This paper presents the acoustic study of a sample of sonic artefacts, in particular a selection of wind instruments (horns, trumpets and pipes), from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the accessible and playable archaeological [...] Read more.
This paper presents the acoustic study of a sample of sonic artefacts, in particular a selection of wind instruments (horns, trumpets and pipes), from the UNESCO World Heritage Centre of Teotihuacan, Mexico, based on a thorough examination of the accessible and playable archaeological finds and the construction and subsequent test of a series of experimental models. Combined with the archaeological and iconographical information, the study helps to deduce information with regard to the urban settings in which these instruments might have been used. It also reveals some basic acoustic components of the music once performed in Teotihuacan. Full article
(This article belongs to the Collection Historical Acoustics)
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15 pages, 644 KiB  
Review
Computational Processing and Quality Control of Hi-C, Capture Hi-C and Capture-C Data
by Peter Hansen, Michael Gargano, Jochen Hecht, Jonas Ibn-Salem, Guy Karlebach, Johannes T. Roehr and Peter N. Robinson
Genes 2019, 10(7), 548; https://doi.org/10.3390/genes10070548 - 18 Jul 2019
Cited by 6 | Viewed by 6776
Abstract
Hi-C, capture Hi-C (CHC) and Capture-C have contributed greatly to our present understanding of the three-dimensional organization of genomes in the context of transcriptional regulation by characterizing the roles of topological associated domains, enhancer promoter loops and other three-dimensional genomic interactions. The analysis [...] Read more.
Hi-C, capture Hi-C (CHC) and Capture-C have contributed greatly to our present understanding of the three-dimensional organization of genomes in the context of transcriptional regulation by characterizing the roles of topological associated domains, enhancer promoter loops and other three-dimensional genomic interactions. The analysis is based on counts of chimeric read pairs that map to interacting regions of the genome. However, the processing and quality control presents a number of unique challenges. We review here the experimental and computational foundations and explain how the characteristics of restriction digests, sonication fragments and read pairs can be exploited to distinguish technical artefacts from valid read pairs originating from true chromatin interactions. Full article
(This article belongs to the Special Issue 3D Genomics)
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