The normal interface to the PHL is through a WiFi connection using the TCP/IP protocol. The PHL also has a BLE interface with an corresponding PC program that functions as an example of how a BLE i...

The PHL has the capability to serve as an Ecological Momentary Assesment system that can capture real-time data from subjects as they go about their daily lives. The very basic system described her...

It’s possible to connect an Apple watch to the PHL and then control parameters using the watch screen. The connection is via WiFi and it takes a few slightly inconvenient work arounds, but it is po...

By using the Connection Square with the PHL it’s possible to create systems with experimental mic and speaker configuratons for the PHL. Connection Square Basics When connected to the PHL, the C...

This guide to controlling the LED on the PHL is courtesy of Hendrik Kayser, who knows the PHL inside and out. The push button is also used here to switch things on and off. The basic ideas are as f...

When the standard BTE headset is connected to the PHL, there are 4 microphones and 2 receivers available to use, along with 2 line inputs and 2 line outputs. The ‘route’ plugin, which is documented...

Mahalia Jackson was an American gospel singer. It’s her birthday today, October 26. The PHL’s main software package is called ‘Mahalia’, after her. Mahalia Jackson in Berlin

The latency, or delay, through the PHL depends on several interrelated parameters. This post shows how latency is affected by changing the configuration of a typical multiband compressor based on S...

The PHL comes installed with a default hearing aid program that runs when the device is powered up. It’s also possible to write a your own default program and this post outlines the steps involved ...

The default program that comes installed on the PHL can be overwhelming for new users trying to understand the openMHA framework. A less complex program is presented here that implements a compress...