[App][9.0+] Wavelet: Headphone specific equalization

pittvandewitt · May 11, 2020

Wavelet
Headphone specific equalization

Introduction
Wavelet may be the most powerful equalizer for Android to date that doesn't require root or an unlocked bootloader. It is capable of processing audio system wide and supports optimal equalization settings for over 3300 headphones. That's way more headphones to choose from than the Sonarworks and Dirac android apps combined have to offer.
Supporting this many headphones has been made possible by Jaakko for letting me use his awesome AutoEq project.

Features
The app features a minimal UI with plenty of options for customization:
You can use AutoEq to equalize your headphones to the Harman standard. The graph visualizes the compensation applied.
There's a 9 band graphical equalizer you can use fine tune the result or set up when your headphones don't appear to be available in the database.
The effects section offers effects such as bass boost, virtualization and reverberation. There's a bass tuner option too to give your beats that little extra thump, or reduce bass if you're not a basshead.
At the bottom you can find the gain controls. There's a limiter allowing you to reduce dynamic range and a channel balance feature for when you find one channel playing too loud or if you just want to reduce the overall output volume.

Installation
Wavelet can be downloaded here from Google Play.
Features displayed vary on the mode you're using and what output device is connected.
I strongly recommend checking out the README and read up on legacy mode to help you get the best experience

XDA:DevDB Information
Wavelet, App for all devices (see above for details)

Contributors
pittvandewitt

Version Information
Status: Stable
Current Stable Version: 23.09
Stable Release Date: 2023-09-27

Created 2020-05-11
Last Updated 2023-09-27

s8m · May 11, 2020

Google Play link isn't working...

EDIT: Now it is!

s8m · May 11, 2020

s8m said:
Google Play link isn't working...

EDIT: Now it is!

First impressions - awesome work! Nice UI and my headphones were recognized. I could only get legacy mode working but the graphical EQ is nice to have if the headphone correction isn't quite tuned for your ears. I think this is going to be a popular audio mod/app...looking forward to further development. :good:

MishaalRahman · May 12, 2020

Can you explain how this app is able to apply EQ effects without having root access or being a system app? What kind of APIs are you using? Thanks!

edit: actually, would love if we could chat more about this project. Giving this a shot right now with my Sony WH-1000XM3 headphones and it seems pretty nice. Feel free to email me at mishaal@xda-developers.com

pittvandewitt · May 12, 2020

s8m said:
First impressions - awesome work! Nice UI and my headphones were recognized. I could only get legacy mode working but the graphical EQ is nice to have if the headphone correction isn't quite tuned for your ears. I think this is going to be a popular audio mod/app...looking forward to further development. :good:

Thank you! I put a lot of thought in the design.
Legacy/regular mode is the best solution I could come up with to cope with the finicky audio sessions design Android has implemented. If it works or not depends on the music player you use and if your device manufacturer allows processing the global audio session or not. Sometimes both modes work and in the worst case nothing might work

MishaalRahman said:
Can you explain how this app is able to apply EQ effects without having root access or being a system app? What kind of APIs are you using? Thanks!

The app makes use of standard libraries Android provides. Most of them are available since Android 2.3, but the DynamicsProcessing library is relatively new and allows for much more customizability. It allowed me to build the equalization and gain control features.
Default mode listens for audio sessions started by music players and applies these effects to them. Legacy mode applies them system-wide (session 0), but this may not work on all devices.

xhacker · May 13, 2020

Hey man I'm downloading your app and wanted to try out the pro features. Possible to sent me a redeem code?

s8m · May 13, 2020

xhacker said:
Hey man I'm downloading your app and wanted to try out the pro features. Possible to sent me a redeem code?

There is no mention of pro features.. according to the OP, the features available depend on device capabilities.

midnitefreakin · May 14, 2020

Here it is by what he means of pro features

s8m said:
There is no mention of pro features.. according to the OP, the features available depend on device capabilities.

It is asking to pay and unlock remaining features.

s8m · May 14, 2020

midnitefreakin said:
It is asking to pay and unlock remaining features.

Interesting, I haven't seen that in the app myself.

coilbio · May 17, 2020

Bought the app for developer support, awesome job! I was waiting to see when someone would pick up the audio development.
One less reason for root.

The only thing is clipping when adding bast boost. Bass tuning helps but volume clipping still happens.
Still awesome though.

Medfordite · May 17, 2020

I can confirm. my device also requires unlocking to even test the effects. I have a Galaxy A20 stock phone and quite frankly, it lacks severely with the sound quality on my headphones (Sony MDR-XB50AP/R). I have been looking for an alternative to Viper4Android which has really shown the power of the earbuds, but that requires rooting the phone and a supported ROM. I can understand the monetization of an app to help support the development and do not have an issue with that, but I gave this app a hard pass for two reasons:

1) You can't try the effects mode without paying the fee.
2) The fee for me was $5.49 to take a chance on it, yes I can get a refund on an IAP through Google, but that's not what I'd really like to do.

Why not set the app up to allow people to try the effects for say 20-30 minutes to allow them to see if it works for their needs and then charge the fee if they want to continue using it ?

aillez · May 17, 2020

pittvandewitt said:
Thank you! I put a lot of thought in the design.

Legacy/regular mode is the best solution I could come up with to cope with the finicky audio sessions design Android has implemented. If it works or not depends on the music player you use and if your device manufacturer allows processing the global audio session or not. Sometimes both modes work and in the worst case nothing might work

The app makes use of standard libraries Android provides. Most of them are available since Android 2.3, but the DynamicsProcessing library is relatively new and allows for much more customizability. It allowed me to build the equalization and gain control features.

Default mode listens for audio sessions started by music players and applies these effects to them. Legacy mode applies them system-wide (session 0), but this may not work on all devices.

Thank you for the app. I've tried work fine with Spotify but not with PowerAmp (i've tried legacy mode with PowerAmp but not working) but as it a first version I hope this can solved in the future update.

So I guess I'll stick with Viper4Android from your release for now.

Sent from my beloved Oneplus 5T

pittvandewitt · May 17, 2020

coilbio said:
Bought the app for developer support, awesome job! I was waiting to see when someone would pick up the audio development.
One less reason for root.

The only thing is clipping when adding bast boost. Bass tuning helps but volume clipping still happens.
Still awesome though.

Thank you!
There is a build in closed testing with a new function that reduces clipping at cost of increased latency. If I'm satisfied I'll release it publicly.

Medfordite said:
I can confirm. my device also requires unlocking to even test the effects. I have a Galaxy A20 stock phone and quite frankly, it lacks severely with the sound quality on my headphones (Sony MDR-XB50AP/R). I have been looking for an alternative to Viper4Android which has really shown the power of the earbuds, but that requires rooting the phone and a supported ROM. I can understand the monetization of an app to help support the development and do not have an issue with that, but I gave this app a hard pass for two reasons:

1) You can't try the effects mode without paying the fee.
2) The fee for me was $5.49 to take a chance on it, yes I can get a refund on an IAP through Google, but that's not what I'd really like to do.

Why not set the app up to allow people to try the effects for say 20-30 minutes to allow them to see if it works for their needs and then charge the fee if they want to continue using it ?

Thanks for the input and the support. I will think of a way to cleanly implement a short trail. It's easier said than done

aillez said:
Thank you for the app. I've tried work fine with Spotify but not with PowerAmp (i've tried legacy mode with PowerAmp but not working) but as it a first version I hope this can solved in the future update.

So I guess I'll stick with Viper4Android from your release for now.

Sent from my beloved Oneplus 5T

PowerAmp might work if you disable direct volume control in PA and enable legacy mode in Wavelet. The result differs depending on your phone. Else you may be able to get it to work using https://zackptg5.com/android.php#acp (requires root).
Current implementation is the best I can come up with. Android audio sessions are mess..

Dante897 · May 17, 2020

Works pretty well with my S9+ (Exynos) and Sony 1000XM3, I tried Spotify and Spotify Stations, for Stations the app doesn't realize that music is playing, can you do something for this or is it up to Spotify?

Pavamarea · May 17, 2020

Working fine in legacy mode on my Pocophone, MIUI 11. I bought the pro version but i couldn't see the limiter option.
Could someone share some phone models for me to search in the autoeq list?

scowley7 · May 17, 2020

Very, very nice. Have it on my Pixel 3a and bought the pro key. Using my Sennheiser HD 120 and sounds fantastic. I like the Legacy mode as I use Google Podcasts most of the time and Wavelet doesn't detect it as a session but I believe this is correct. Could it detect GP so I could use the non Legacy features? Anyway, well done on a great app and slick UI.

thepersona · May 17, 2020

I needed to use legacy mode with Poweramp on my Samsung note 10 plus. I have yet to test this on my pixel 4 XL but I think it'll be the same thing I'll need to enable legacy mode in order to run this app through Poweramp. Sadly I'm missing the limiter option and all the audio effect features like bass boost virtualizer and stuff like that I'd have to pay for I thought the application is free. Is there some kind of code being passed around? If not let me know

Also, are there plans to update the application in order to fix some of the notable errors or issues that have been mentioned, particularly with audio static? Beyond that this is an exciting application and I'm excited to see where it goes. I've been looking for a viper4android alternative that didn't need root and this seems to be the gym that potentially can match that app. Keep up the good work!

Tordenflesk · May 17, 2020

"Wavelet was unable to initiate Dynamics processing effects"

XT1685, Android 9 RR 7.0.2

sjamie · May 17, 2020

How does Wavelet sound compared to Viper?

xUmaRix · May 17, 2020

No AutoEQ for me

[App][9.0+] Wavelet: Headphone specific equalization

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