White papers

Speakers - The story behind the development of our LS1 loudspeaker concept.

Slave to the Rhythm - PLL and clock basics without the math.

PLL and Clocking - A tutorial on PLL's and their influence on jitter.

Grimm Testinstruments - Introducing our homegrown measurement equipment.

DSD faq - Answers to questions about DSD that we were frequently asked.

Grimm's Recipes - Background information about our design philosophy.


AES, IBC and SMPTE publications

Determing an Optimal Gated Loudness for TV Sound Normalization - This AES 128th convention paper reflects a substantial part of the work performed by the EBU p/loud committee. Written by Eelco Grimm, Esben Skovenborg of TC Electronic and Gerhard Spikofsky of the IRT.

Peak and LKFS Loudness Levels, Rev. - An editted reprint of the 2008 IBC paper of Eelco Grimm e.a. for the SMPTE Journal of April 2010.

Peak and LKFS Loudness Levels - Eelco Grimm is a member of the EBU p/loud committee that will set an EU standard for broadcast loudness levels. This 2008 paper for IBC presents the result of research into the current use of dynamic range by EU broadcasters.

Balanced building blocks - In this 2004 AES paper Bruno Putzeys describes a fully differential op amp.

Jitter specification - An AES paper of 2004 by Bruno Putzeys about how to specify clock jitter magnitude.

Discrete AD converter - Bruno's AES paper of 2003 that started the whole company.


 

Other publications

Supply decoupling - An article by Guido Tent on the subject of supply decoupling on pcb's that has been published by Hifi World in 1998.

DSD for consumers - Another first for Peter, writing about DSD for consumer use in 1997.

Jitter discovery - Peter van Willenswaard is quoted as the first person to publish about the influence of jitter in the international audio press: Stereophile 1988.


Third party publications

10 things you need to know about Loudness - A leaflet from EBU p/loud explaining the basic idea behind the new EBU standard for television sound normalization.

SDIF3 standard - The official DSD interfacing standard as described by Sony. Mark the maximum length difference between data and clock cables of 1 m.


© Copyright 2010 Grimm Audio