audio equalizer in app #312

New Issue

2026-04-24T23:16:08+02:00

adam commented

2026-04-24 23:16:08 +02:00

Originally created by @yegods on GitHub (Oct 8, 2022).

Is your feature request related to a problem? Please describe.

Audio levels on all books are not consistent. It is a nice feature on some other book players to have an equalizer. I use it to reduce the high end and increase the low end in loud environments.

Describe the solution you'd like

A simple 5 band equalizer. I will attach an example pic from Smart Audiobook Player on android.

Describe alternatives you've considered

Don't really have any, but raising the volume, which can hurt the ears especially in the high end.

Additional context

Add any other context or screenshots about the feature request here.

Originally created by @yegods on GitHub (Oct 8, 2022). ### Is your feature request related to a problem? Please describe. Audio levels on all books are not consistent. It is a nice feature on some other book players to have an equalizer. I use it to reduce the high end and increase the low end in loud environments. ### Describe the solution you'd like A simple 5 band equalizer. I will attach an example pic from Smart Audiobook Player on android. ### Describe alternatives you've considered Don't really have any, but raising the volume, which can hurt the ears especially in the high end. ### Additional context Add any other context or screenshots about the feature request here. ![equalizer](https://user-images.githubusercontent.com/114703516/194728235-3fd7a668-4386-4384-afe4-926abcf4b0da.jpg)

adam added the enhancement label 2026-04-24 23:16:08 +02:00

adam commented

2026-04-24 23:16:09 +02:00

@iconoclasthero commented on GitHub (Sep 18, 2023):

+1 I've also found this to be a useful feature of SABP because I use very small .opus files (17 kb/s) with an additional ffmpeg filter that strips out things that are supposed to be inaudible. As a result the files tend to be a bit flat and I've been using the eq in SABP to make it sound a bit better. I don't use the loudness feature.

EDIT: Removed redundant screenshot.

@iconoclasthero commented on GitHub (Sep 18, 2023): +1 I've also found this to be a useful feature of SABP because I use very small .opus files (17 kb/s) with an additional ffmpeg filter that strips out things that are supposed to be inaudible. As a result the files tend to be a bit flat and I've been using the eq in SABP to make it sound a bit better. I don't use the loudness feature. EDIT: Removed redundant screenshot.

adam commented

2026-04-24 23:16:10 +02:00

@robdennehy commented on GitHub (Jul 7, 2024):

+1 for this as well. Sometimes a narrator's voice is just too bassy and I need to play with my car's EQ or the headphone's to stop it booming so much but then I have to fix both when I want to listen to anything else. Would be great to have this apply just to the audiobooks, or even better, a specific book.

@robdennehy commented on GitHub (Jul 7, 2024): +1 for this as well. Sometimes a narrator's voice is just too bassy and I need to play with my car's EQ or the headphone's to stop it booming so much but then I have to fix both when I want to listen to anything else. Would be great to have this apply just to the audiobooks, or even better, a specific book.

adam commented

2026-04-24 23:16:10 +02:00

@linuxcommander commented on GitHub (Jul 22, 2024):

Equalizer. Remove silence. At least five band equalizer. Bonus features, each audiobook can have its own EQ settings.

@linuxcommander commented on GitHub (Jul 22, 2024): Equalizer. Remove silence. At least five band equalizer. Bonus features, each audiobook can have its own EQ settings.

adam commented

2026-04-24 23:16:11 +02:00

@iconoclasthero commented on GitHub (Aug 8, 2024):

Hi. I was trying to listen to All the Pretty Horses and the narration has too much low end and I needed to play it through SABP to use the eq so it would be comprehensible with my headphones. The offline copy into a shared folder makes this easy, but it's a poor work around. This isn't something I do often and it wasn't a feature I used a lot in SABP, but it is sometimes necessary.

Alternatives include system-wide DSP like JamesDSP for Android and ViperDSP.

https://play.google.com/store/apps/details?id=me.timschneeberger.rootlessjamesdsp&hl=en_US
https://xdaforums.com/t/jamesdsp-a-working-alternative-to-viper-on-android-11.4179957/

I don't know what it would take to get something like this integrated into the android app, but I imagine there should be some off-the-shelf android equalizers that could be put into ABS/Android. I'm interested in finding a like-minded person or two to work on this aspect of the mobile app.

@iconoclasthero commented on GitHub (Aug 8, 2024): Hi. I was trying to listen to _All the Pretty Horses_ and the narration has too much low end and I needed to play it through SABP to use the eq so it would be comprehensible with my headphones. The offline copy into a shared folder makes this easy, but it's a poor work around. This isn't something I do often and it wasn't a feature I used _a lot_ in SABP, but it is sometimes _necessary._ Alternatives include system-wide DSP like JamesDSP for Android and ViperDSP. https://play.google.com/store/apps/details?id=me.timschneeberger.rootlessjamesdsp&hl=en_US https://xdaforums.com/t/jamesdsp-a-working-alternative-to-viper-on-android-11.4179957/ I don't know what it would take to get something like this integrated into the android app, but I imagine there should be some off-the-shelf android equalizers that could be put into ABS/Android. I'm interested in finding a like-minded person or two to work on this aspect of the mobile app.

adam commented

2026-04-24 23:16:12 +02:00

@KiwiHour commented on GitHub (Jan 6, 2026):

I'm gonna have a go at making a simple equalizer with 5 bands, and hopefully have each item save the equalizer settings made so it persists

@KiwiHour commented on GitHub (Jan 6, 2026): I'm gonna have a go at making a simple equalizer with 5 bands, and hopefully have each item save the equalizer settings made so it persists

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Reference: starred/audiobookshelf-app#312