While broadcasting is the transmission of information to a large group of people and geographic area for instance through radio or television, narrow-casting targets a much more select, defined group and can be done fully offline through devices such as solar audio players or loudspeakers. 

This cheat sheet aims to define key phrases and concepts used to describe open source. It further provides a brief explanation of the words' meanings along with a link to a website where you may get further details.

Unlike commercial radio, community radio works with local communities and helps in catering their specific needs and necessities and works as an innovative tool in bringing social change. Community radios can cover a wide range of topics, including literacy, numeracy, health, farm production, housing improvements, family and personal relationships, sport and leisure. 

If you have created educational audio content for your community, you will most likely want to disseminate it among your beneficiaries. Ideally, you do this through communication channels such as WhatsApp. However, in some cases it is useful to use printed materials such as posters or stickers to distribute a specific internet address where people can access the audio information you created.

Education has always been entwined with class, gender, and ethnicity. Nowhere is this relationship more prominent than Sub-Saharan Africa. According to a UNICEF study, Guinea, the Central African Republic, Senegal, Cameroon, Benin, Niger, and Rwanda are the countries that spend the smallest percentage of public education spending on the poorest households. All of these countries spend 10% or less on educating the poorest households while dedicating 30% to 50% of their public education funds to the wealthiest households.

Leprosy is still a thing. The number of new cases reported globally to the World Health Organization in 2019 was more than 200,000. An estimated 2 to 3 million people are living with leprosy-related disabilities globally. In 2019, the countries with the highest number of new diagnoses were India, Brazil, and Indonesia. Over half of all new cases of leprosy are diagnosed in India, which remains home to a third of the world’s poor, a group disproportionately affected by the disease.

Using your own audio messages in combination with Audiopedia's content can be a good idea if you want to build a digital community outreach for your NGO. In combination with WhatsApp, it can become quite a powerful tool.

Augmented audio (auma.js) is an open source framework that provides illustrated and interactive audio content.

Qwifi streams audio to local mobile phones using Wifi and an accessible UI.

The Audiopedia Web App provides an accessible user interface to publish and share audible content.