Category Archives: Meridian

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

Linear power supply for G68

Posted on November 24, 2019 by Mr Apodizer

A friend of mine exchanged the standard switching power supply in his G68 for a linear power supply. The result was a nice increase in sound quality. He did not use a standard power supply, but made one himself from … Continue reading →

Posted in Meridian, Soundquality | 4 Comments

Using an external DAC on the G68

Posted on September 23, 2019 by Mr Apodizer

Although the DACs in the G68 are pretty good, it is almost 20 year old tech and better ones are available nowadays. Or maybe you just prefer a NOS DAC over an oversampling one. But using the digital output on … Continue reading →

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MQA decoder for Logitech Media Server

Posted on February 21, 2018 by Mr Apodizer

Wow, time is going quickly. It is already 3 years since my last post, and it did definitely not feel that long. Last year MQA finally took off. In the beginning of 2017 Tidal started streaming MQA under their ‘Masters’ … Continue reading →

Posted in Audio Processing, Logitech Media Server, Meridian, MQA | 5 Comments

MQA – Further explained

Posted on February 9, 2015 by Mr Apodizer

Sometimes things are simpler than you think. Also sometimes you have all pieces of the puzzle and you still do not see the big picture. MQA seems to fall into this category.

Posted in Audio Processing, Meridian | 5 Comments

MQA – What is Meridian hiding?

Posted on January 13, 2015 by Mr Apodizer

I have been doing a lot of reading these last few weeks. There is quite some discussion on fora and audio news sites on Meridians latest invention called MQA. But what is MQA exactly and what is Meridian not telling … Continue reading →

Posted in Audio Processing, Meridian | Tagged | 6 Comments

Meridian SqueezeBox

Posted on February 11, 2013 by Mr Apodizer

Meridian would of course never make such a product, but using their latest product, the Meridian Explorer, we can do it ourselves. It is an async USB DAC (combined with SPDIF digital optical output), one of the hundreds of similar … Continue reading →

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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