Direct metal mastering (original) (raw)
Direct metal mastering (DMM) is an analog audio disc mastering technique jointly developed by two German companies, Telefunken-Decca (Teldec) and Georg Neumann GmbH, toward the end of the 20th century after having seen the same technology used by RCA Princeton Labs for its SelectaVision videodiscs in the late-1970s.
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| dbo:abstract | Direct metal mastering (DMM) is an analog audio disc mastering technique jointly developed by two German companies, Telefunken-Decca (Teldec) and Georg Neumann GmbH, toward the end of the 20th century after having seen the same technology used by RCA Princeton Labs for its SelectaVision videodiscs in the late-1970s. Records manufactured with this technology are often marked by a "DMM" logo on the outer record sleeve. Many current production high quality pressings, as well as standard production LPs from the 1990s, only indicate its use by inscribing "DMM" in the lead-out groove area of the disc. Neumann was responsible for manufacturing the actual DMM cutting equipment as part of its VMS80 series lathes. Unlike conventional disc mastering, where the mechanical audio modulation is cut onto a lacquer-coated aluminum disc, DMM cuts straight into metal (copper), utilizing a high frequency carrier system and specialized diamond styli, vibrating at 60 kHz to facilitate the cutting. (en) La masterización directa en metal (DMM por las siglas del inglés direct metal mastering) es una técnica de masterización de discos de audio analógica desarrollada conjuntamente por dos empresas alemanas, Telefunken-Decca (Teldec) y GmbH, hacia finales del siglo XX, después de haber conocido la tecnología utilizada por RCA en sus Laboratorios de Princeton para sus videodiscos SelectaVision a finales de la década de 1970. Los discos fabricados con esta tecnología suelen estar marcados con un logotipo «DMM» en la funda exterior del disco. Muchas impresiones de alta calidad de producción actual, así como LPs de producción estándar de la década de 1990, solo indican su uso inscribiendo «DMM» en el área de la ranura de salida del disco. Neumann fue responsable de la fabricación del equipo de corte DMM como parte de sus tornos de la serie VMS80. A diferencia de la convencional, donde la modulación de audio mecánica se graba en un disco de aluminio recubierto de laca, el DMM corta directamente el metal (cobre), utilizando un sistema portador de alta frecuencia y palpadores de diamante especiales, vibrando a más de 40 kHz (habitualmente a 60 kHz) para facilitar el corte. (es) |
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| dbo:wikiPageExternalLink | http://www.avforums.com/forums/hi-fi-systems-separates/1388272-dmm-vinyl.html https://vinyl-pressing-plants.com/all-vinyl-pressing-plants-list/options/Direct-metal-mastering/Yes/ https://web.archive.org/web/20100816161241/http:/www.resolutionmag.com/pdfs/KNOWHOW/VINYLA~1.PDF |
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| rdfs:comment | Direct metal mastering (DMM) is an analog audio disc mastering technique jointly developed by two German companies, Telefunken-Decca (Teldec) and Georg Neumann GmbH, toward the end of the 20th century after having seen the same technology used by RCA Princeton Labs for its SelectaVision videodiscs in the late-1970s. (en) La masterización directa en metal (DMM por las siglas del inglés direct metal mastering) es una técnica de masterización de discos de audio analógica desarrollada conjuntamente por dos empresas alemanas, Telefunken-Decca (Teldec) y GmbH, hacia finales del siglo XX, después de haber conocido la tecnología utilizada por RCA en sus Laboratorios de Princeton para sus videodiscos SelectaVision a finales de la década de 1970. (es) |
| rdfs:label | Masterización directa en metal (es) Direct metal mastering (en) |
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