Enabling Equalizer on Raspberry Pi using ALSA equal Plugin

This post shows how to setup a system wide equalizer on Raspberry Pi using ALSA equal plugin. Below are my setup. Raspberry Pi3 B+ with Raspbian Stretch (2018 April version) 3.5 mm plug Speaker   Contents – Assumptions – Steps 1. Equalizer Plugin Installation 2. ALSA Configuration 3. Play audio 4. Verify Equalizer – Notes – Reference  … Continue reading “Enabling Equalizer on Raspberry Pi using ALSA equal Plugin”

Enabling Equalizer on Handsfree Sending Audio with ALSA equal plugin

This post shows steps to enable equalizer on Bluetooth handsfree (HFP) sending audio by using ALSA equal plugin.   Contents – Prerequisites – Steps 1. Equalizer Plugin Installation 2. ALSA Configuration 3. PulseAudio Configuration 4. Connect your phone and make a call 5. Adjust equalizer – Reference   Prerequisites Bluetooth Handsfree profile needs to be… Continue reading “Enabling Equalizer on Handsfree Sending Audio with ALSA equal plugin”