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In the Forum: Audio Discussions
In the Thread: Some thoughts about bass in high-end audio.
Post Subject: A common practice.Posted by Romy the Cat on: 8/22/2021
 rowuk wrote:
The idea of high quality delay makes me wonder if the delay effectively increases the virtual length of the room - allowing longer wavelengths before the room Schroeder frequency is reached. This would be a "softer" bass without the room compression.

This is not a question but a fact. The key here how to understand properly “high quality delay”, In audio generally we understand “high quality” as better sound in terms reverberations there is no better sound (as the reelections with 10-30 ms delay are very much sound quality compromised. The higher quality reflection injection means better mathematical algorithm that synthesizes reflection. This is why the synthesizes of reflections typically happens at 14bit processor and requires very primitive amplifiers and speakers. Yes, it is increases the virtual size of the room but with the typical problems the large rooms come with. It is very easy for you to get evidence. Play any Henry Purcell’s pieces for organ and trumpet in a typical listening room and it will sound line Apollo is blasting engine in shoebox. If you add Church or one of the Concert Halls reverberation mode to back channels then I promise you  that you will laughing for 30 minutes and will be asking yourself  what the hell you were doing in audio for all those years.
 
BTW, in pro would there is long tradition to virtualize size recording avenues by adding multiple reverberation parameters.  I personally learned a lot by reading the manual for Behringer Virtualizer 3D FX2000 and Sony DRE-S777. It is not a revolutionary subject in recording world and I have no idea why this practice never made to High-End

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