drmark12pa Posted November 20, 2020 Share Posted November 20, 2020 Is there a better way to fine tune the C4 amplifier sound settings without just experimenting with each of the frequency bands? There used to be the EQ app on the C4 homescreen but that has disappeared. Now I have to go into Composer and try to fine tune each zone which is not easy considering there about 30 bands in the EQ in advanced settings. Add to that the Quality Factor setting which I don't fully understand. I recently went back and updated my media library for my CDs to be all FLAC without compression vs. the previous MP3 at 360 so the quality much better. This has necessitated readjusting my EQ but wow what a task. I miss the EQ app in Composer but can't seem to find it anywhere anymore. Can anyone advise on how the Quality Factor setting affects play? Also, in the advanced settings for EQ it appears that you can select 5 bands to fine tune and I assume C4 just develops an EQ line based on these bands you've selected for Gain and Quality Factor. Quote Link to comment Share on other sites More sharing options...
Köhler Medientechnik Posted November 21, 2020 Share Posted November 21, 2020 What do you want to achieve exactly? Usually, you use an EQ to adjust towards a target curve. This target curve is the outcome of a measurement of the room response. So actually, you know upfront what frequency range you want to adjust to what level and that´s it. No need to run through a lot of settings. Quality factor: In easy words, it´s the width of the filter you´re applying. Quote Link to comment Share on other sites More sharing options...
drmark12pa Posted November 21, 2020 Author Share Posted November 21, 2020 9 hours ago, Köhler Medientechnik said: What do you want to achieve exactly? Usually, you use an EQ to adjust towards a target curve. This target curve is the outcome of a measurement of the room response. So actually, you know upfront what frequency range you want to adjust to what level and that´s it. No need to run through a lot of settings. Quality factor: In easy words, it´s the width of the filter you´re applying. I want to improve the overall sound without the in wall speakers in the rooms clipping which is a fine line between maximizing the best response from in wall speakers and has been a bit tricky with the change from MP3 to FLAC there is definitely a difference for the better. This has necessitated readjusting each room's EQ and is a bit complicated because if you tweak one band it can change dramatically. I listen primarily to hard rock so it's hard to get the mid range so it doesn't sound like you're in a tin can while maximizing the lower end and not having ear splitting highs. Quote Link to comment Share on other sites More sharing options...
drmark12pa Posted November 21, 2020 Author Share Posted November 21, 2020 9 hours ago, Köhler Medientechnik said: What do you want to achieve exactly? Usually, you use an EQ to adjust towards a target curve. This target curve is the outcome of a measurement of the room response. So actually, you know upfront what frequency range you want to adjust to what level and that´s it. No need to run through a lot of settings. Quality factor: In easy words, it´s the width of the filter you´re applying. Also, with the quality factor when selecting a low number it seems a bit more muddy or full vs. a high number seems to tighten things up but I do lose a bit more bass when selecting the higher number it seems. Quote Link to comment Share on other sites More sharing options...
Köhler Medientechnik Posted November 21, 2020 Share Posted November 21, 2020 2 hours ago, drmark12pa said: Also, with the quality factor when selecting a low number it seems a bit more muddy or full vs. a high number seems to tighten things up but I do lose a bit more bass when selecting the higher number it seems. The quality factors works in conjunction with a filter you set. For instance you set a filter around 1000Hz to lower 3db. Filters never work specifically just to the frequency you set, but also on an area around that frequency. With the corresponding q-factor, you adjust how broad around the 1000Hz the filter works. A high number on the q-factor means a narrow filter, a low number means a broader filter. In general, when i try to tackle a sound problem like described, i´d always do a measurement to see where the problem is. Then i set a specific filter exactly to fix the issue. I can image it´s pretty hard to try it the way you described and as it works with C4. We´re always using external DSPs for sound optimization, so unfortunately, i can´t help you on your specific problem... Quote Link to comment Share on other sites More sharing options...
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