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”
Update (Jan 8, 2020): Step 1 has been updated to fix codebay and elba’s problems based on peacekunov’s feedback (Thanks!). Please see the comments for details. Update (May 22, 2019): Steps to manually enable A2DP sink role has been added based on Wolfgang and John’s feedback. (Step 1). This post shows steps to setup Bluetooth audio… Continue reading “Streaming Bluetooth Audio from Phone to Raspberry Pi using ALSA”
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”
This post shows steps to enable SD card access from Linux VirtualBox guest on Windows host. In this post, I use Windows 10 as the host and Ubuntu 18.04 as the guest. Steps 1. Check Device ID for SD Card 1-1. Open Command Prompt (or Windows PowerShell) as administrator (e.g. “Windows” key + “x”… Continue reading “Accessing SD Card from Linux VirtualBox Guest on Windows Host”
Got a Raspberry Pi but don’t have a display, keyboard, or mouse? You can go with headless setup, or use your phone as a touch screen display (with onscreen keyboard). This post shows steps to connect Raspberry Pi with your phone wirelessly and use it as a touch screen display by using Remote Desktop Protocol [1]. Here is… Continue reading “Using Your Phone as Touch Screen Display for Raspberry Pi”
