[One (M7) Android Development] dragonesdenano:
How To Set up and use VIPER4Android APPS for a better sound!!!

1. Extract and copy ViPER4Android_FX/XHiFi.apk to /system/app/*here* INCLUDED IN ROM*

2. Change apk permission to rw-r-r (644). Reboot.choose INCLUDED IN ROM*

3. Run FX/XHiFi app from drawer, allow root access.

4. When driver installation prompt, choose Yes to "Install/Update".

5. Choose correct CPU Type. (For ONE choose "CortexA9/15 with NEON") For XHIFI "CortexAx with NEON"

6. After installation done, Reboot device.

7. If you want use only V4A, follow option1. If you want other existing effects to work, follow option2.

--->>Option1.

-----------8. In sound settings > music effects, Choose V4A FX (and xhifi) (Don't worry, both fx and xhifi will run together.)

-----------9. Make sure in V4A FX (and xhifi), in menu option, FX Compatible Mode is set to Normal Mode.

-----------10. Extract IRS Starter Pack and copy all irs files from inside the folders to /ViPER4Android/Kernel/xxxx.irs Download IRS Starter Pack Click Me

-----------11. If folder not exist, just create them. Folder names are case sensitive. Then enjoy.

--->>Option2.

-----------8. Open up V4A FX (and xhifi), in menu option, FX Compatible Mode set to Compatible Mode.

-----------9. Extract IRS Starter Pack and copy all irs files from inside the folders to /ViPER4Android/Kernel/xxxx.irs

-----------10. If folder not exist, just create them. Folder names are case sensitive. Then enjoy.

Audio Profiles

Recommended FX:

1. Master Power: ✔

2. Playback Gain Control

(1) Enable checkbox: ✔

(2) Select Effect Strength: Slight//Moderate

(3) Max Gain: 4x//8x

(4) Max Output: -1.9dB

3. FIR Equalizer

(1) Enable checkbox: ✘

(2) Select Preset: Acoustic

(3) Linear Equalizer graphic: default

4. Convolver

(1) Enable checkbox: ✔

(2) Impulse Response: PopEQ // DBX 160SL Blue - Medium Ratio // JoeMeek SC2 Impulse

5. Field Surround

(1) Enable checkbox: ✘

(2) Select Field Surround Strength: Extreme

(3) Select Mid Image Strength: Extreme

6. Headphone Surround +

(1) Enable checkbox: ✘

(2) Select Effect Quality: Normal

7. Reverberation

(1) Enable checkbox: ✘

(2) Room Size: 25m2

(3) Sound Field: 5m

(4) Damping Factor: 0 Percent

(5) Wet Signal: 0 Percent

(6) Dry Signal: 50 Percent

8. Dynamic System

(1) Enable checkbox: ✘

(2) Select Listening Device: Common Earphone(v2)

(3) Select Dynamic Bass: 0 Percent

(4) Tube Simulator(6N1J): ✘

9. Fidelity Control

(1) ViPER Bass checkbox: ✔

(2) Bass Mode: Natural (For headphones) // Pure Bass+ (For earphones)

(3) Bass Frequency: >=60Hz

(4) Select Bass Boost: >=6.0 dB // >=8.0 dB

(5) ViPER Clarity checkbox: ✔

(6) Clarity Mode: XHiFi+

(7) Select Clarity: 3.5 dB

10. Auditory System Protection

(i) Enable Cure Tech+ checkbox: ✔

(ii) Select Binaural Level: Moderate

10. Master Gate(Limiter)

(1) Ouput Gain: 0dB

(2) Limit Threshold: 0dB

1. Master Power: ✔

2. FIR Equalizer

(1) Enable checkbox: ✘

(2) Select Preset: Acoustic

(3) Linear Equalizer graphic: default

3. Convolver

(1) Enable checkbox: ✔

(2) Impulse Response: -

4. Reverberation

(1) Enable checkbox: ✘

(2) Room Size: 25m2

(3) Sound Field: 5m

(4) Damping Factor: 0 Percent

(5) Wet Signal: 0 Percent

(6) Dry Signal: 50 Percent

5. Extra Loud

(1) Enable checkbox: ✔

(2) Select Effect Strength: Slight

(3) Max Gain: 4x

(4) Max Output: -1.9dB

6. Master Gate(Limiter)

(1) Output Gain: 0dB

(2) Limit Threshold: 0dB

Recommended XHIFI:

1. Master Power: ✔

2. Playback Gain Control

(1) Enable checkbox: ✘

(2) Select Effect Strength: Slight

(3) Max Gain: 4x

(4) Max Output: -1.9dB

3. FIR Equalizer

(1) Enable checkbox: ✘

(2) Select Preset: Acoustic

(3) Linear Equalizer graphic: default

4. Audio Reconstruction

(1) Enable checkbox: ✔

(2) Hi Clarity: 20

(3) Lo Contour: 70

5. Master Gate(Limiter)

(1) Output Gain: 0dB

(2) Limit Threshold: 0dB

More About IRS and files

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Official ViPER4Android Audio Profiles

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