Category Archives: Firmware

Introducing a new up-sample filter: NOS-SRx

Posted on May 16, 2021 by Mr Apodizer

Almost 10 years ago I released the Revelation One filter, a serious improvement over Meridian’s apodizing filter (which they are still using today and on which the time correcting aspect of MQA is based). But even my RevOne filter turned … Continue reading →

Posted in Audio Processing, Firmware, Meridian, Soundquality | 4 Comments

Support Revelation One on HD621

Posted on January 9, 2020 by Mr Apodizer

I have added support for Revelation One on the HD621. When I released the Revelation One filter (8 years ago) I have also tried to support the HD621, but I could not find the upsample filter in the firmware. Sometime … Continue reading →

Posted in Audio Processing, Firmware, Meridian | Leave a comment

New software for Simple Audio Roomplayer this summer

Posted on May 16, 2013 by Mr Apodizer

Inside sources say that Simple Audio will release brand new software for its Roomplayer this summer. All feedback from dealers and customers will be taken into account, so hopefully this will solve the pending problems (see my review some posts … Continue reading →

Posted in Firmware, Roomplayer, Simple Audio | Leave a comment

Misconceptions about my work and product

Posted on December 22, 2011 by Mr Apodizer

From reading threads and posts on the Meridian Unplugged forum it is clear there are many misconceptions about my work and product. The main problem is that they do not have the facts straight, so any discussion is meaningless. I … Continue reading →

Posted in Firmware, Meridian | 10 Comments

Reboot your device after uploading any firmware

Posted on December 12, 2011 by Mr Apodizer

This is an important notice to everyone who is doing tests with different firmwares on Meridian devices: reboot your device (turning it off and on again using the power switch) after uploading any firmware. Otherwise it may not sound as … Continue reading →

Posted in Firmware, Meridian | 1 Comment

Evaluation of different revisions of DSP-C

Posted on December 1, 2011 by Mr Apodizer

We have been testing different revisions of DSP-C after we discovered that C00044 sounds so much different from the newer revisions, which are sounding dull by comparison. Not only Trifield is affected, all sound appears to go through DSP-C. In … Continue reading →

Posted in Firmware, Meridian | 4 Comments