: ' Hi-Res Audio Logo'

Back In Chicago for AXPONA!

Back In Chicago for AXPONA!

As regular readers know, this post is the first in a very long time. I apologize for being absent for so long. One reader emailed the other day and wanted to know what was going on. [...]

Cable Curiosities

Cable Curiosities

Talking about audio cables is sure fire way to start a comment war. Just this past week, I spent several hours with the top executive of a major audio company in the studio for a chat [...]

All Recordings Are DSD…NOT!

All Recordings Are DSD…NOT!

The discussion over at CA also included a great deal of push back on the DSD vs. PCM debate. One of the writers presented numerous lengthy comments about how modern ADC and DAC converters operate. Recall [...]

Novice Professionals

Novice Professionals

As you all know, I read all of the comments posted on this site prior to approving them for everyone to see (I have never rejected a comment…only the spam goes to the trash). Most of [...]

Making the LFE Channel Go Boom

Making the LFE Channel Go Boom

Getting extremely loud, low frequencies are the meat and potatoes of movie soundtracks. Movie directors and sound supervisors want to deliver the sonic impact of explosions, volcanoes, and earthquakes while you’re sitting in a dark room [...]

LFE: Putting The Low End To Work

LFE: Putting The Low End To Work

The final section of the ITU specification is an Appendix to Annex 7, which we explored a few posts back. The Appendix addresses the practical application of the LFE channel and the differences between a subwoofer [...]

Sample Rate Inflation

Sample Rate Inflation

John Siau, the head designer and principal at Benchmark, writes white papers and posts them to their site. As many of you know, I regard John to be one of the industry’s real experts and I [...]

No Change Equals Better Sound

No Change Equals Better Sound

Gary Leonard Koh is a principal at Genesis Advanced Technologies and a member of the true believers in the analog merits of digital audio. My recent discussion of replicated CDs vs. duplicated Gold CD-Rs resulted in [...]

Getting to the Bottom End of the LFE

Getting to the Bottom End of the LFE

Getting to the Bottom End of the LFE The ITU specification for using the LFE (Low Frequency Effects or Low Frequency Enhancement) is contained in Annex 7 of the document. This is Bible for both equipment [...]

LFE: From the Horses Mouth

LFE: From the Horses Mouth

I finally got a response from my friends at Dolby regarding the boosting of the LFE channel during the playback of movies vs. music. A product manager replied and included a copy of the ITU-R-REC-BS.775 recommendations. [...]