How to install Goldwave audio editor on Linux using WINE. Goldwave 5 works better than Goldwave 6.
How to record or monitor what’s playing through your speakers via Pulseaudio and pavucontrol.
I consider having an FM radio in a Bluetooth speaker essential, as well as having SD card and 3.5mm input. The Simpowel V8 fulfills these needs for under $40.
Quick setup Bluetooth sound (speaker) on Linux PCs and embedded single-board computers, including the Intel Edison.
Setup and enable/disable Bluetooth on Linux devices
Instead of compiler-dependent and OS-dependent proprietary, fragile sound playback from Fortran, consider system call to external player–such as ffplay.
How to play, record, process live audio from Python using Numpy in cross-platform fashion.
How to install PyGame for easy sound playback and live keyboard callbacks in Python.
GNU Radio (and Companion GUI) install/run via Windows Subsystem for Linux for network-connected SDR and simulations.
Beautiful cross-platform (Windows/Linux) visualization of sound spectrum is enabled via Python, PyAudio and VisPy using QT. Check it out!
Detailed review of Soundbot SB240 and SB220 Bluetooth headphones–noting some problems with modern Bluetooth source devices.
Soundblaster Roar 2 FCC ID IBAMF8190 technical includes details of operation including apt-X.
Even $2 Bluetooth speakers can work OK. Better to get multipoint speaker for real investment.
Repairing a Dell speaker bar that had no audio.
How to force Bluetooth headphones to be recognized on Linux. Force Linux Bluetooth A2DP/HSP audio modes via pavucontrol.
Suggested engineering college / high-school / maker projects
Numerous beneficial modifications to improve Yaesu VX-7 performance.
How to fix a radio system with poor performance due to problems with initial deployment or degradations.
Block diagram of NASA Space Shuttle audio rebroadcast for Amateur Radio.
How to use relative level measurements for precise calculation of radio passband, vital for data transmission.
Easy to build interface between PC and radio for Echolink, PSK31, WSPR, etc.
Why are so many EF Johnson 800 MHz designs from 1980s-2000s microphonic?
The streaming internet audio provided by forward-thinking AM stations allows quality license-free rebroadcasts.
As CD-R writers become commoditized, some people don’t realize CD-R have a short lifetime, and even standard CD’s don’t live forever.
How to make high-quality Internet broadcasts using RealAudio or TrueSpeech, while providing downloadable content.