I'm on Kangy8 and I don't know if this issue is related to all ICS roms.
So when I adjust the media volume while listening to music I basically get this more or less:
- |..|..|..|..|..|..|......|.........| +
where some of the steps seem to be mapped to more than one volume level.
What the ... I don't even get it.
I want something like this:
- |..|..|..|..|..|..|..|..|..|..|..| +
I also don't understand the Voodoo Control Plus audio settings.
Current amplifier is a negative number. Why? So what I understand is, that it's amplifying the current volume?
I saw that CodenameAndroid comes with a 30 step volume addon but as far as I know this will conflict with voodoo sound.
I don't have that volume issue in the stock ROM on my i9023, possibly a kangy bug.
The amplifier level is simple and useful once you understand it. I'll give you some background first and some general numbers.
dB (decibel) is a unit, in an audio sense, which measures the pressure of sound waves. It is a logarithmic scale and requires a reference level to compare to. Basics with audio decibel values:
1dB : Threshold of noticing a volume change
3dB : A little louder
6dB : Double the sound pressure
10dB : We perceive sound approximately twice as loud
Now that's out of the way; the analog control tells the amplifier inside the phone how much it should amplify the sound. Using 0dB as a reference, which is generally the loudest it goes safely, how much less (in dB) would you like it to amplify. If you want it to halve the perceived volume, you'll drop it down to -10dB (effectively half as loud as full blast). The reason why you would want to do this is generally if there is excessive noise generated by the amp, lowering the amplifying power and raising the software volume will give you the same volume and power, but lower additional noise as the amp is working below it's limit. Higher quality DACs of course can reach their max amp capabilities and add no noticeable noise to the earphones/speakers, of course.
Hope that made sense
Hi all,
Would it be possible to separate the low and high tones, so the low tones are played through the one speaker and the high tones through the other?
I know the maximum volume may be a little bit lower when that's done, but it shouldn't make a huge difference either. 2 speakers doesn't mean the maximum volume doubles, in fact, it doesn't even raise that much.
Also, I don't know for the lower tones, but the speaker that plays the high tones could probably be pushed a bit loader since the driver doesn't come out that far. That way the total volume could maybe almost be as it is now.
After all this said/asked, THE POTENTIAL BENEFITS OF SEPARATING THE SPEAKERS.
When the speakers play the whole frequency of the sound, it may reduce bass or sound less "clear". This comes because the driver has to "trill" fast for the high tones and slow for the low tones at the same time. If we can separate the speakers so one speaker plays only the low and the other only the high frequencies, each speaker would have a smaller frequency range to play. This could give deeper basses and clear sounds.
What do you guys think about this?
Has anybody heard of a mod that would both lower the minimum volume while allowing a sufficiently high max volume. Either having the steps between have a greater effect, or having more steps? I can use Viper to lower the minimum volume sufficiently, but then the max volume is not enough. I've tried the mixer_paths.xml mods, but that just increased the volume all around.
Running Xstrestrolite 2.3, with ViperV4A on a Canadian W8
Thanks
Hpras said:
Has anybody heard of a mod that would both lower the minimum volume while allowing a sufficiently high max volume. Either having the steps between have a greater effect, or having more steps? I can use Viper to lower the minimum volume sufficiently, but then the max volume is not enough. I've tried the mixer_paths.xml mods, but that just increased the volume all around.
Running Xstrestrolite 2.3, with ViperV4A on a Canadian W8
Thanks
Click to expand...
Click to collapse
There is nothing like this, since you are asking for a mod which will dynamically adjust the gain. Current solution is only a fixed value on the volume gain - e.g. if you use higher gain, you'll get louder volume all around, if you use a lower one, you'll get the opposite.
viper4android works on mine
Question about the software on these things. Do they have control for Crossovers for the Front, Rear and Sub? Does the EQ settings stick to the Front, Rear and Sub? Is anyone able to tap into the sound control through a app or something like that?
lowridincrew said:
Question about the software on these things. Do they have control for Crossovers for the Front, Rear and Sub? Does the EQ settings stick to the Front, Rear and Sub? Is anyone able to tap into the sound control through a app or something like that?
Click to expand...
Click to collapse
They have a nice EQ but no crossover setting. You also cant control the sub out put its on at full out put all the time. Had to put in a bass knob to fix that.
Going deeper than the built in audio and I found out some professional audio cards also work and Creative brand hardware. Check this out
http://www.extreamsd.com/index.php/2015-07-22-12-01-14/usb-audio-driver
lowridincrew said:
Going deeper than the built in audio and I found out some professional audio cards also work and Creative brand hardware. Check this out
http://www.extreamsd.com/index.php/2015-07-22-12-01-14/usb-audio-driver
Click to expand...
Click to collapse
Interesting ill have to check it out.. Let me know how you hook your up if you do this.
Something new about able to use some software?
Since the units also have a subwoofer out ?
Please delete
Did someone contact manufacturer and asked for an option to adjust sub separately?
Just buy a decent dsp and you'll be able to adjust all settings that you like. I'm happy they also provide the full range signal on all outputs, if necessary without any adjustments, leaving me to do the tuning myself.
HVB83 said:
Just buy a decent dsp and you'll be able to adjust all settings that you like. I'm happy they also provide the full range signal on all outputs, if necessary without any adjustments, leaving me to do the tuning myself.
Click to expand...
Click to collapse
Got any suggestions?
Something like this: http://mosconi-system.it/product/gladen-dsp-4to6/ or this: https://www.minidsp.com/products/minidsp-in-a-box/c-dsp-6x8
Although I must admit I don't know the Minidsp myself. Between the two I would say Mosconi is the benchmark, costing a lot but delivering almost uncomprimised quality, whereas the Minidsp is the budget choice., but it seems to offer quite a lot value for money.
hans1983 said:
Something like this: http://mosconi-system.it/product/gladen-dsp-4to6/ or this: https://www.minidsp.com/products/minidsp-in-a-box/c-dsp-6x8
Although I must admit I don't know the Minidsp myself. Between the two I would say Mosconi is the benchmark, costing a lot but delivering almost uncomprimised quality, whereas the Minidsp is the budget choice., but it seems to offer quite a lot value for money.
Click to expand...
Click to collapse
Very Very interesting. I've notice over time though that It seems these Head units take too long to start up. I haven't been liking the 5 minute wait for my HU to unfreeze. I may do a Windows Stick to Double Din Touch screen or something
5 minute wait? I know it was a little longer with the factory firmware, and some freezing after a cold boot was indeed observable, but with the Malasyk firmware I don't think a cold boot takes longer than 20 seconds and no freezing is observable after startup. I did notice however that it also depends on the skin that you're using, some of them do indeed cause some lag at startup and when switching apps.
Flat audio with Joying 5.1.1 2-din unit
My Joying unit had pretty flat audio compared to original unit in my car. Joying default equalizer somewhat works, but it starts from 60Hz and even if you crank it up to +15dB you are missing a lot from lower end.
So i installed Viper4Android and it works great! Gives you much more control over audio and fixed my issue.
It's pretty easy to install, you don't need any Kingroots or anything. Go to Settings -> Factory Settings -> Enter password *#hct#root# and after that you should be able to install Viper4Android.
I'm using Joying internal amplifier, i don't know how this works with low-level outputs. I also have latest stock ROM.
Concerning the equalizer: according to my audio measurement, the EQ is a 3-band equalizer with central frequencies of 80 Hz, 1250 Hz and 16 kHz. The adjustment possibility is +/- 12 dB for each band. The 60 Hz, 100 Hz and 200 Hz sliders adjust the 80 Hz-band, the 500 Hz, 1 kHz and 2.5 kHz sliders the 1250 Hz-band, the 10 kHz, 12.5 kHz and the 16 kHz sliders the 16 kHz-band. In order to get + or - 12 dB gain all 3 sliders controlling one band must be set to the maximum/minimum position.
hans1983 said:
5 minute wait? I know it was a little longer with the factory firmware, and some freezing after a cold boot was indeed observable, but with the Malasyk firmware I don't think a cold boot takes longer than 20 seconds and no freezing is observable after startup. I did notice however that it also depends on the skin that you're using, some of them do indeed cause some lag at startup and when switching apps.
Click to expand...
Click to collapse
I have the 2nd version. It boots in 20 seconds but the apps freeze and volume can't be controlled for a while
larppaxyz said:
My Joying unit had pretty flat audio compared to original unit in my car. Joying default equalizer somewhat works, but it starts from 60Hz and even if you crank it up to +15dB you are missing a lot from lower end.
So i installed Viper4Android and it works great! Gives you much more control over audio and fixed my issue.
It's pretty easy to install, you don't need any Kingroots or anything. Go to Settings -> Factory Settings -> Enter password *#hct#root# and after that you should be able to install Viper4Android.
I'm using Joying internal amplifier, i don't know how this works with low-level outputs. I also have latest stock ROM.
Click to expand...
Click to collapse
I installed it to. It's Ok but don't have as much higher control like the headphones and Bluetooth settings. I have the crossover clearing up everything for the most part
valtam17 said:
Concerning the equalizer: according to my audio measurement, the EQ is a 3-band equalizer with central frequencies of 80 Hz, 1250 Hz and 16 kHz. The adjustment possibility is +/- 12 dB for each band. The 60 Hz, 100 Hz and 200 Hz sliders adjust the 80 Hz-band, the 500 Hz, 1 kHz and 2.5 kHz sliders the 1250 Hz-band, the 10 kHz, 12.5 kHz and the 16 kHz sliders the 16 kHz-band. In order to get + or - 12 dB gain all 3 sliders controlling one band must be set to the maximum/minimum position.
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Click to collapse
Are you telling me that MTCD units also have this issue? I was thinking that it's problem with older MTCB units. I do have oscilloscope to do some measuring myself, but right now i don't have time for that. Do you thinkg same hardware mod would work for MTCD units too? Do you have measurements for amp output? I think it starts to fade out badly below <60Hz, maybe they used wrong components for filtering in actual preamp circuit.
Luckily Viper4Android is software solution...
Just an idea.
Wouldn't it be nice to have a DSP app in place of the standard Amplifier app, with possibility to use the internal 4 ch out as active crossover system with optional bi-amplification from the internal ampl?
Think of it
Case A: 2ch (front) with high pass for the tweeters and 2ch (rear) with low pass for the woofers + sub-woofer out. Saves the cost of an active crossover!
Case B: Direct speaker out for tweeters and woofers (front only) would do a great job since the internal amp is quite decent and could save us a lot of money. You only need a pair of woofers and tweeters, no crossover or amps! Just add an active sub if you need more punch
I have mild to mod hearing loss. I have hearing aids but there are cases where wearing them is not possible or desirable, a key one being when using NC headphones. So to compensate I have searched high & low for an Equalizer app or any other audio amplification category type app that can boost on-board/streaming volume by frequency. Basically it "should" be as simple as an Equalizer app that has the abiity to boost up to say 30-40dB (or more) but the highest I've ever seen is 18dB. Most apps only run 6-10 band to max 10 or 15dB. Even Neutralizer that appears to sort of fit this need can only boost to 10!
There seems to be an abundance of apps that target hearing impaired but they are either hearing aid paired apps & just control the aides or they try to substitute for aides & amplify ambient sound - ie amplify microphone input. One of these Petralex goes to 30dB, which makes me think it is technically possible.
So bottom line is I have to wonder if it is technically just not possible; Android doesn't allow that level/power of amplification or is that there is just not enough perceived need for something along these lines. I could see it as an add for the headphone makes but again - eg: Sony MX headphones companion app has an Eq but only boost to 10dB - meant for taste not hearing loss.
I have a DEV background but have worked in sys admin for 10+ years now - IF it is possible I may entertain the idea of giving it a shot myself even if only for my own use.