[APP] Official ViPER4Android Audio Effects (FX v2.5.0.5) - New Features & 7.0 Support

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Mr_White_214

Senior Member
Nov 3, 2015
111
55
Nijmegen
ultradj83 said:
Well I see in the apk many directories seems to contain the same files in a twentieth of languages...
Click to expand...
Click to collapse
Yeah you are right, but those files are incomplete. You can also see it when comparing these file sizes to the English file, the English file size contains way more text. Maybe good to know is that this app automatically selects the language according to the system language. So if my system language is Spanish, v4a should be Spanish. But is actually English because the file is incomplete.

Edit: you can also make the language file complete yourself and put it in the correct values folder.
 
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holozis_HUN

holozis_HUN

Senior Member
Sep 19, 2015
207
15
Tompa
OnePlus Nord
Brasscat82 said:
It no longer seems to be in the OP, but your selinux needs to be set to Permissive.

If you have already done this, make sure you are installing the latest version for nougat with the I/O fix.
Click to expand...
Click to collapse

Thanks! But... WHere can I set the SELinux to permissive? WHen I used custom roms, the SELinux was originally Permissive, but now at Stock rom don't really find it. Where can I set it to permissive?
 
B

Brasscat82

Senior Member
Jul 16, 2014
555
372
holozis_HUN said:
Tried with set to permissive and to enforcing + installed the i/O fixed version but the driver status still write "no no, unsopported, sampling rate:0 etc" ...... WHen I got time try to test more, but it seems not working...
Click to expand...
Click to collapse
Is the master power on? This has thwarted several people.
It is also possible that your kernel.doesnt support permissive toggling.
 
holozis_HUN

holozis_HUN

Senior Member
Sep 19, 2015
207
15
Tompa
OnePlus Nord
Brasscat82 said:
Is the master power on? This has thwarted several people.
It is also possible that your kernel.doesnt support permissive toggling.
Click to expand...
Click to collapse

master power is on.

my kernel version is: 3.18.31-velvet-r3.1. This is a custom kernel. I don't really know if it supports SELinux or not, im not able to write anything to it's topic (i haven't enough permission or what...) so i can't ask if it supports or not.

I really love Viper 4 Android, and want to use this, and im sad that i can't :crying::crying::crying::crying:
 
boofman

boofman

Senior Member
Oct 31, 2010
696
253
Samsung Galaxy Note 20 Ultra
Samsung Galaxy Tab S7 / S7 Plus
holozis_HUN said:
master power is on.

my kernel version is: 3.18.31-velvet-r3.1. This is a custom kernel. I don't really know if it supports SELinux or not, im not able to write anything to it's topic (i haven't enough permission or what...) so i can't ask if it supports or not.

I really love Viper 4 Android, and want to use this, and im sad that i can't :crying::crying::crying::crying:
Click to expand...
Click to collapse

Does your Viper come with a Disable SELinux at the Settings>Developer Options? It worked for me.
 
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cpnfantstk

Senior Member
Jun 19, 2012
168
42
Two issues. Viper crashed while using convolver and trying out different ir samples. Never happened before. Could it be a bad IRS file? I just added more so not sure if one of those samples did it.
For loading and switching between profiles. I'd have to toggle power on and off to get the effect to work. Any input on this? Thanks.
 
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rooternewbie

Senior Member
Nov 9, 2016
57
2
Can't install the driver. Rooted, Lineage OS 14.1 Samsung SIII GT-I9300. SELinux to permissive. Root access to apps and ADB. Still can't install it. Please help thanks.
 
Logan

Logan

Retired Forum Moderator
Jul 22, 2015
1,264
1,878
Limbo
Samsung Galaxy S III I9300
Samsung Galaxy S7 Edge
P

paffo

Senior Member
Mar 16, 2010
196
64
ForgottenDude said:
The Magisk module isn't available on XDA or anywhere else. It is available inside the Magisk Manager itself. Open Magisk Manager and then head over to "Downloads" section.
Click to expand...
Click to collapse

Hi, I am familiar with this module ViPER4Android FX
I had this one and it worked with V4A v2.5.0.5, but stopped after magisk update to 13,2.
@ForgottenDude: Can you please explain which package you have installed, from the beginning ?
 
Last edited:
ForgottenDude

ForgottenDude

Senior Member
Jan 22, 2016
806
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Mumbai

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Huskied

Huskied

Senior Member
Jun 10, 2015
335
106
Round Rock
OnePlus 6T
OnePlus 8T
After a while of playing, V4A just stops. And just after pulling logcat Headphones seems to not work at all. I thought it was the Magisk module that made it not work but it so happened to be the V4A driver..

View attachment v4aerrorlog.txt

EDIT: Might be a idea, But it might have something to do with YT. Because trying to use that will kill V4A, But having to play a video and then close it seems to keep V4A afloat. Don't know how that came to be but I've only used YouTube and n7player. After a reboot and only using n7 I know that player has nothing. Also changing from Speaker to Headset acts funny when YT is up and running. Also stops videos and glitches the times too lol. Just a idea.

Running AOKP 7.1.2 Magisk rooted. And no, This isn't the module I'm talking about. Installed through the app. Apologize for not explaining further.
 
Last edited:
B

Bright09

Senior Member
Mar 7, 2013
553
39
Nexus 7 (2013)
OnePlus One
mwahahaa said:
I have the same problem on a rooted, stock LG G4, no Majisk. App with SELinux permissive. Viper randomly turns off and on, and doesn't work with headphones.
Click to expand...
Click to collapse
Having this issue as well with magisk. it works when I'm using Bluetooth file when casting to my Chromecast audio but not headset :/ would love for it work again I also have set to permissive module & magisk

Sent from my Nexus 7 using Tapatalk
 
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    [APP] Official ViPER4Android Audio Effects (FX v2.5.0.5) - New Features & 7.0 Support

    If you want to share at another forum, do not include download links, redirect them to download here.

    To ROM Makers who already included or wish to include V4A in your ROM. Click HERE.

    Donations intended for V4A Development, please DO NOT send to zhuhang.jasper@gmail.com
    V4A Project Donation account not available yet.
    ​

    Sticky News
    Development Progress: Inactive
    Remarks:-
    Past events:
    21 Jan 2013 (Alert - Illegal V4A Theft / V4A Clone)
    Recently, we found an android PAID app very similar to ViPER4Android.
    Judging by the screenshots, its definitely a copy of our app.
    We will do an investigation on this following paid app.


    Please do not mistaken this above app as V4A. ViPER4Android is always free. Do not fall for this and do not buy it.

    Help to share this post to alert others.

    16 October 2013
    Hello everyone!

    Now, our website is ready! You can now register as a subscriber here.

    Celebrating the launch of our website, ViPER4Windows also officially released.
    Head over to ViPER4Windows page for description and instructions.

    You can download all ViPER related contents at downloads page. This includes the V4A, V4W and IRS at the moment.

    12 October 2013
    Our English website is in progress. Its a wordpress based website. Its up, but not ready with posts. We'd be very busy lately so we do not have time to write pages and posts.
    Here's the link: http://www.vipersaudio.com/blog

    You can register an account at our website and make comments on our news and posts there. Right now, registration is disabled. We will make announcement when its ready. Cheers.

    6 October 2013
    - Added v2.3.0.1 FAQ (OP#3)
    - Added proper bug report instructions (OP#3)
    - Updated bug list (OP#3)
    - Updated troubleshooting for v2.3.0.1 (OP#3)
    - Updated General FAQ (OP#3)
    - Updated requirement for Rom makers (OP#5)
    - Updated OP index (OP#1)

    30 September 2013
    Whole OP Updated from 1st post to 4th post.
    Instructions, Change logs, Downloads, Bugs, FAQ, Troubleshoot, Settings explained, default settings (replace recommended settings)

    20 September 2013
    This time, we are on XDA Developer TV!
    A very nice quick review right here by Jimmy McGee's Android App Review.
    http://www.xda-developers.com/andro...-deserve-with-viper4android-xda-developer-tv/

    4 September 2013
    We finally made our way to the XDA-Developers Portal!!
    Hoooray!! Million thanks to the news writer. ;)
    http://www.xda-developers.com/android/tweak-your-mobile-audio-with-viper4android-audio-effects/

    Official Website
    ViPER's Audio Official Website: http://www.vipersaudio.com/blog
    ViPER's Audio Official Chinese Forum: http://forum.vipersaudio.com/

    Social
    Like our Facebook Page here! >>> https://www.facebook.com/vipersaudio
    Join ViPER's Audio Facebook Group here! >>> https://facebook.com/groups/vipersaudio.en/
    ViPER's Audio Global QQ Group: http://xdaforums.com/showpost.php?p=44506830&postcount=4586

    UNOFFICIAL V4A available in Google Play Store. (Not maintained by us)
    http://xdaforums.com/showpost.php?p=45217407&postcount=5689

    OP Index:
    1. About Us // Description // Key Features // Development Progress // Donations // Open source
    2. Instructions // CPU Driver List // Change Logs // Downloads
    3. Bug list // Proper Bug report // Troubleshooting // FAQs
    4. V4A Profiles // Popular effect simulation profiles // FX and XHiFi Settings Explained // Default V4A settings
    5. For ROM makers
    6. Signatures // Userbar // Banners
    va-official3.png

    About ViPER's Audio
    See here: http://vipersaudio.com/blog/?page_id=11

    Software Descriptions
    Version: FX version 2.5.0.5 (active) / XHiFi version 2.1.0.2-1 (discontinued)
    Codename: (FX version) Beautiful / (XHiFi version) X-Factor
    Compiled date: September 1,2016 / September 4,2013 - Official Release
    Operating environment: Android 2.3 / 4.0 / 4.1 / 4.2 / 4.3 / 4.4 / 5.0 / 6.0 / 7.0
    CPU platforms: ARM (ARM CortexA8 or higher), x86(Atom/i3/i5/i7)
    Language: English (US) / Simplified Chinese / Traditional Chinese / more

    ViPER4Android FX
    FX is the main control panel of ViPER’s Audio with all popular ViPER’s Audio settings.

    ViPER4Android XHiFi (Stopped)
    XHiFi has less settings compare to FX. It has superior audio reconstruction which mainly used for restoring lossy audio quality.

    FX Key Features
    ★ NEW: FET Compressor ★
    New compressor / limiter simulating operation of FET circuits.

    ★ NEW: Quad-Channel Convolver ★
    IRS support extends to 4-channels. *Requires special IRS files*

    ★ AnalogX ★
    Richer and warmer sound by simulating the sound signature of pure class A amplifier. *v2.4.x and above+*

    ★ ViPER-DDC (Now Cuztomizable!) ★
    Enjoy near HIFI sound on your headphones. *Not all models supported*

    ★ Spectrum Extension ★
    Make your music sound lossless with enhanced high frequencies.

    ★ x86 Platform Support ★
    Viper4Android supports x86 (Atom/Core i3/i5/i7) platforms.

    ★ USB/Dock effect Support ★
    ViPER4Android supports USB/Dock audio output.

    ★ Speaker Optimization ★
    First effect for speakers. Try it yourself.

    ★ Channel Pan ★
    Controls left/right channel output. Its not very useful unless your headphone is imbalance or faulty one side. It will be a cure for you.

    ★ Differential Surround / Haas Effect ★
    This is an old feature which ViPER520 had removed from FX in early days.
    But after many users requesting it, ViPER520 bring it back to FX
    More info on Haas Effect: http://www.mixcoach.com/creating-depth-the-haas-effect-2/

    ★ ViPER Fidelity Control ★
    ★ ViPER Bass ★
    With different bass modes, you can have greater bass experience than before!
    ★ ViPER Clarity ★
    With the latest Clarity mode selection, you can balance up heavy bass with high clarity audio that you can never imagine before!

    ★ Headphone Surround+ (VHS+) ★
    With this VHS+, V4A made its way to achieve great surround technologies for Android.

    ★ Auditory System Protection (Cure Tech+) ★
    With normal audio system, listening for more than three hours will feel fatigue, dizzy, tinnitus, irritated and other symptoms.
    This is a normal reaction, heavy bass and high volume could cause permanent damage to the human auditory system, but other phenomena can restore through resting.
    Viper as a listening experience professional will not ignore this problem. Therefore put a lot of effort to study how to make a "Healing" sound technology, just a small success. But thinking on how to let users experience it.

    ★ Convolver ★
    When an Impulse Response Sample(IRS) is loaded, V4A will process the sound to show the same characteristics of the loaded sample. Through Convolution, samples with effects such as equalizer, surround, reverberation, tube etc can be loaded.
    Download and extract IRS files to <storage>/ViPER4Android/Kernel/<paste files here>

    ★ FX Compatible Mode (Only in 4.x) ★
    Compatible Mode supports large variety of music players and the players' own EQ/sound effects (system-provided/third party)
    Therefore, you don't have to select V4A in Sound Settings > Music Effects, choose anything other than V4A. Just run V4A app and the effects will be working with anything else.
    1. In option, switch to Compatible Mode. Reboot, done.
    2. In Sound Settings > Music Effects, choose other than V4A.
    3. Run V4A app and configure the settings then the effects will work together with the one you chose in Sound Settings.​

    ----------------------------------------------
    Last Update Log
    Note: FX v2.3.2.5 onwards:
    1. Fully support x86 platform, but not fully optimised yet. (Using VHS+/Convolver may increase battery usage)
    2. Fully support true octa-core devices.
    3. Correctly-installed Busybox is required before installing V4A.

    If you see V4A installation pop-up loop, its probably due to incomplete root OR htc_audio_effects.conf    ​

    FX version: v2.5.0.5 (New package name! Please uninstall any previous version)
    Android 7.0 Nougat users >>>> Try this fix apk: here.
    !! Detailed update info >>> Read Joe's post: here.
    0. Emergency fix v2504 - repair load file incompatibility issues.
    1. New UI.
    2.Add quad-ch convolver support (stereo convolver).
    3.Add FET compressor.
    4.Support change storage path.
    5.Fix bugs.
    ----------------------------------
    XHiFi version: Final v2.1.0.2-1 (discontinued)
    1.Support for Android 4.3 (v2102-1)
    2.No changes for Android 2.3 (2102)​

    Downloads
    Full download list at Official Website: http://vipersaudio.com/blog/?page_id=48
    Note: Please connect to the internet when installing V4A. So we can count our users.
    ViPER4Android FX
    v2.5.0.5 (Android 4.0~7.0): Mediafire *ZIP Contains v2505 standard & v2505 nougat IO fix apk*
    v2.4.0.1 (Android 4.0~6.0): Mediafire *Does't support below Android 4.0*
    v2.3.4.0 (Android 2.3~5.0): Mediafire

    ViPERsToolBox(For making custom DDC))
    v2.0: Mediafire
    v0.1: Dropbox (Joe)

    ViPER4Android XHiFi
    XHiFi version Final v2.1.0.2-1 (Android 2.3~4.3): Mediafire​

    IRS Impulse Response Sample
    Official Website: http://vipersaudio.com/blog/?page_id=91

    XDA:
    IRS Index: here
    Zhuhang's IRS XDA: here
    Joe0Bloggs Headset Correction Filter IRS: here​

    Donations
    V4A Project Donation account not available yet.
    Visit here: http://vipersaudio.com/blog/?page_id=180​

    Open Source at GitHub

    ------------------------------------------
    ViPER's Audio founded by ViPER520.
    Co-founded by ZhuHang.
    CN. vipersaudio.com / EN. facebook.com/vipersaudio
    Copyright (C) 2006-2017 vipercn.com / vipersaudio.com
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    Installation / Downloads

    Check this post for complete tips, instructions, notes and warnings.

    v2.2.x to v2.3.x Special Update Instructions
    Important: New v2.3.x V4A has new package name, therefore follow this installation steps carefully.
    1. Open old v2.2.x V4A, save the effect profile.
    2. Uninstall old v2.2.x V4A. Complete uninstall, including both driver and app. Reboot.
    3. Install new v2.3.x V4A, choose Yes to "Install/Update". (V4A auto detects and installs correct driver.)
    4. Reboot, open new v2.3.x V4A and load effect profile saved in step 1.​

    Setup your Device
    For Samsung devices,
    1. Try install V4A as user app instead of system app if the latter failed doesn't work.
    2. Use Normal Mode and select V4A FX in Settings>Sound>Music Effects.
    3. If don't work, use another player rather than Samsung stock Music.
    ------------
    1. ROOT your device.
    2. Install busybox if doesn’t come with root.
    3. Modify build.prop (Thanks Bradl79@xda)
    a. Open up /system/build.prop in text editor using any file explorer with root access.
    b. Change the line (If you can’t find these lines, skip this step.)
    Ipa.decode=true to lpa.decode=false
    tunnel.decode=true to tunnel.decode=false
    lpa.use-stagefright=true to lpa.use-stagefright=false​

    Installation
    1. Download, extract and copy ViPER4Android_FX/XHiFi.apk to your device.
    2. Install the apk as USER app or SYSTEM app is up to you. (v2.3.1.0 onwards)
    3. Run FX/XHiFi app from app drawer, allow root access if asked.
    4. When driver installation prompted, choose Yes.
    5. V4A auto detects your CPU and show available driver modes below :
    No modes: For processors with or without VFP .
    Battery Saving: Available for all processors with NEON.
    High Quality Mode: Available for processors with NEON.
    Super Audio Quality: Available for processors with NEON.    ​
    6. Choose your desired selection.
    7. After installation done, Reboot device.
    8. If you want to use only V4A as audio effect, follow normal mode. If you want existing audio effects to work, follow compatible mode.
    Normal Mode:
    9. In Sound settings > Music effects, always choose V4A FX unless FX is not installed.
    10. Open up V4A FX (and xhifi), in menu, FX Compatible Mode set to Normal Mode.
    11. If not working, try Compatible mode before trying Force-Enable.
    Compatible Mode:
    9. Do not change anything under Sound settings/
    10. Open up V4A FX (and xhifi), in menu, FX Compatible Mode set to Compatible Mode.
    11. If not working, use Normal mode and disable other effects.​
    12. How to use IRS in Convolver? See IRS page: here.    ​

    Future Updates
    Option 1: Use the “Check for update” function in V4A app itself.
    1. In V4A app, go to menu and select Check Update. It will redirect you to a page.
    2. Download latest apk from the page.
    3. Install apk and overwrite. (Replace in system/app/ if its SYSTEM app)
    4. Open up FX (and XHIFI), Choose “Yes”. Reboot, done.

    Option 2: Download from Website/XDA
    1. Download latest FX and XHIFI apks from Website’s Downloads section or XDA.
    2. Install apk and overwrite. (Replace in system/app/ if its SYSTEM app)
    3. Open up FX (and XHIFI), Choose “Yes”. Reboot, done.

    Uninstallation
    1. Open up V4A FX (and xhifi), go to menu and choose “Uninstall driver”.
    2. After that, uninstall V4A FX (and xhifi) app itself.
    3. Reboot. Done. Bye-bye V4A.

    -----------------------------
    ViPER's Audio founded by ViPER520.
    Co-founded by ZhuHang.
    CN. vipersaudio.com / EN. facebook.com/vipersaudio
    Copyright (C) 2006-2016 vipercn.com / vipersaudio.com
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    Troubleshoot / Bugs / F.A.Q

    Check previous post for complete tips, instructions, notes and warnings.

    Bug Report
    http://vipersaudio.com/blog/?page_id=120

    Troubleshooting (Updated 20/10/2013)
    Make sure your device is rooted and install latest SuperSU or SuperUser.
    Make sure you install correct apk for your android version.
    1. Complete Uninstall V4A (driver + app) and reboot.
    2. Install V4A as USER app, begin with battery saving mode.
    3. Use Normal mode, go to Sound settings>Music effects> and choose V4A(either fx or xhifi).
    >>>Test.
    4. If not working, switch to Compatible mode, go to sound settings>music effects> and select something else besides V4A.
    >>>Test again.
    5. If not working, return to Normal mode, change sound settings, enable Force-Enable.
    >>>Test again.
    6. If not working, repeat step 1 to step 5 but as SYSTEM app.
    >>>Test again.
    7. If nothing works. Disable or remove the default sound effect under MusicFX, then return to Normal Mode.
    >>>Last Test.
    8. If no help, submit a bug report.​

    F.A.Q
    Updated on October 22, 2013
    HOT: Why some settings are missing?
    A: Because you didn't read update log.

    HOT: Why cannot switch driver mode? (battery saving or high quality)
    A: Only CPU with NEON have choices. To change, uninstall and reinstall.

    HOT: Why no effect?
    A: See Troubleshoot.

    1. Which to install? FX or XHiFi or Both?
    A: The difference is explained in V4A main page. Install FX first. XHiFi is optional.

    2. Where is the build.prop lines in instructions?
    A: This step is optional. Those lines are not in every device. You can skip this.

    3. Can I still install V4A if I already using other sound mods?
    A: Yes, after installation, open V4A app and switch to Compatible Mode.

    4. Why installation fail?
    A: Root or SU binary issues. Use latest SuperSU.

    5. Why is superuser not supported?
    A: V4A does support superuser. Some superuser version have bugs, please use a stable version of it.

    See more:
    6. Why music lag after display off?
    A: This is due to CPU speed too low when screen if off. Make sure you are not using some battery saving CPU governor.
    Switch CPU governor to ondemand/interactive to increase CPU speed or increase minimum clock speed.

    7. Where is minimal phase equalizer?
    A: FIR Equalizer is the name of our EQ, minimal phase is a type of EQ. Its activated for High Quality Mode and Super Audio Quality drivers.

    8. Why does the effect keeps on skipping/cutting (on off on off spontaneously)?
    A: Submit bug report.

    9. Why no effect on Third-party players such as Poweramp and TTPOD?
    A: Disable their own sound effects.

    10. Why no effect in MIUI player?
    A: Try turn off MIUI default equalizer.

    11. Im using Meizu, Flyme system, why effect gone after i display lyrics?
    A: Flyme modified Android's Audio principle, so lyrics will be treated as music effect by the music player, so V4A cant be used.

    12. V4A FX/XHiFi effects suddenly disappeared?
    A: Android system kills certain processes due to memory limits. Install V4A app as system app (Put in /system/app/ and restart)

    13. Why there is background noise when using V4A effects?
    A: This is Android's MusicFX bug, this will happen on all other sound mods.
    Suggestion: Backup and Delete /system/lib/soundfx/libbundlewrapper.so

    14. Why bass reduced in v2.3.x?
    A: Due to sound improvement, audio effects are more precise than before. Therefore, re-adjust your settings.

    15. Why is volume reduced in v2.3.x?
    A: Volume controlled to reduce noise level. (THIS does not mean you can reduce noise by lowering volume xD)

    16. Why is there more CPU/Battery load in v2.3.x?
    A: Quality improved for NEON devices. For now you cannot change to battery saving priority.

    17. Why ViPER4Android FX/XHiFi always FC?
    A: Uninstall and Reinstall V4A. If not submit bug.

    18. Why ViPER4Android FX/XHiFi creates unexpected effects and different from other users?
    A: Use Normal Mode and disable other sound mods such as Noozxoide. If not, reinstall.

    19. ViPER4Android FX/XHiFi doesnt run after reboot?
    A: Check anti-virus or any startup manager whether V4A is disabled on startup.

    20. V4A FX/XHiFi effect gone after using data-killer?
    A: Please add ViPER4Android FX/XHiFi to data-killer whitelist or exception.

    21. V4A XHiFi effects gone after reaching certain volume? (~70%)
    A: This is due to Sony Xperia hearing protection library.
    Suggestion: Backup and Delete /system/lib/soundfx/libhearingprotection.so

    22. Why volume reduces after 10 seconds?
    A: This is not caused by V4A. Most probably you installed a bad and faulty xLOUD, ClearPhase or S-Force Front Surround port.

    23. In-call volume reduced?
    A: V4A will not affect call volume.

    24. What if my phone/tablet cannot detect headset plugin?
    A: Use lock effect mode and choose headset.

    25. V4A effects will spoil internal speaker/headset?
    A: Firstly, there's an audiophile limit in your phone, even if you max every single settings in V4A, u will never achive that limit.
    If the limit is achieved, your ears will blown off before the headset.
    If your earphone is not used to high volume/bass, with long period of high volume/bass will cause your headset to spoil (without V4A it will also spoil)
    For speaker, if a new phone straight away max the volume, within few days there will be distortion. Start off with 50~70% volume and after some time only max the volume.

    -----------------------------
    ViPER's Audio founded by ViPER520.
    Co-founded by ZhuHang.
    CN. vipersaudio.com / EN. facebook.com/vipersaudio
    Copyright (C) 2006-2016 vipercn.com / vipersaudio.com
    View
    557
    zhuhang
    zhuhang
    FX & XHiFi Settings Explained & Default Settings

    V4A Profiles
    http://xdaforums.com/showpost.php?p=44577409&postcount=4642

    Popular Effect Simulation Profiles (Updated 1/10/2013)
    These setup will sound almost the same compare to original effect.
    ​
    ​
    1. Dolby System 2.0 (DS2.0) (FX v2.3.0.1)
    - AGC, slight, 4x, 0db
    - VHS+, level 3
    - field surround, strength level 7, mid level 5
    - viperclarity, xhifi mode, default​

    V4A Settings Explained
    http://vipersaudio.com/blog/?page_id=43

    -----------------------------
    ViPER's Audio founded by ViPER520.
    Co-founded by ZhuHang.
    CN. vipersaudio.com / EN. facebook.com/vipersaudio
    Copyright (C) 2006-2016 vipercn.com / vipersaudio.com
    View
    423
    zhuhang
    zhuhang
    For ROM Makers

    V4A Rom Inclusion
    Website(Down): http://vipersaudio.com/blog/?page_id=127


    Things you need to do
    1. Proper credits to ViPER520.
    2. Add a link to ViPER’s Audio Website. (Its obvious because users need so many info here)
    3. Please remind users to use “Compatible Mode” if you inserted other sound mods.
    4. [OPTIONAL] Attach latest IRS Starter Pack as add-on/optional material for users to start with.


    Extra Tips
    1. Make it a system app.
    2. Copy assets/libv4a_fx/xhifi_xxx.so to /system/lib/soundfx/
    Note: xxx can be gb for 2.3.x, ics for 4.0~4.2 or jb for 4.3
    3. For android 2.3, done. For android 4.x, continue step 4.
    4. Make modification in audio_effect.conf
    (1). Under “libraries {“, add:
    Code: 
     v4a_fx {
          path /system/lib/soundfx/libv4a_fx_xxx.so
        }
#NECESSARY FOR XHIFI
        v4a_xhifi {
          path /system/lib/soundfx/libv4a_xhifi_xxx.so
        }

    (2). Under “effects {“ add:
    Code: 
            v4a_standard_fx {
          library v4a_fx
          uuid 41d3c987-e6cf-11e3-a88a-11aba5d5c51b
        }
#NECESSARY FOR XHIFI
        v4a_standard_xhifi {
          library v4a_xhifi
          uuid d92c3a90-3e26-11e2-a25f-0800200c9a66
        }

    Thanks for promoting ViPER4Android!
    -----------------------------
    ViPER's Audio founded by ViPER520.
    Co-founded by ZhuHang.
    CN. vipersaudio.com / EN. facebook.com/vipersaudio
    Copyright (C) 2006-2016 vipercn.com / vipersaudio.com
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