PulseAudio

Enabling Equalizer on Handsfree Sending Audio with ALSA equal plugin

Posted on May 2, 2018 by max

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” →

Enabling Hands-Free Profile on Raspberry Pi (Raspbian Stretch) by using PulseAudio

Posted on September 7, 2017 by max

The purpose of this post is to enable Bluetooth Handsfree Profile (HFP) with PulseAudio on Raspbian Stretch so that Raspberry Pi can act like as a handsfree speaker phone or a handsfree car kit. This is an updated version of this post. When I wrote the previous post, I was using Raspbian Jessie and some… Continue reading “Enabling Hands-Free Profile on Raspberry Pi (Raspbian Stretch) by using PulseAudio” →

Voice Recording on Raspberry Pi

Posted on June 9, 2017 by max

The purpose of this post is to record audio (e.g. voice) on Raspberry Pi with a microphone. Raspberry Pi doesn’t have mic input by default, so USB microphone or USB soundcard + 3.5 mm jack mic is required. Example Setup Raspberry Pi (e.g. Raspberry Pi 3 B+/Raspberry Pi 4B) Microphone (e.g. SunFounder USB… Continue reading “Voice Recording on Raspberry Pi” →

HFP on Raspberry Pi

Posted on June 7, 2017 by max

Update (Sep 7, 2017): If you are using Raspbian Stretch, please refer here instead of steps below. This post below is for Raspbian Jessie. The purpose of this post is to enable Bluetooth Handsfree Profile (HFP) on Raspberry Pi so that Raspberry Pi can act like as a handsfree speaker phone or a handsfree car… Continue reading “HFP on Raspberry Pi” →