The phrase "audio course" is correct and usable in written English.
It can be used to refer to a course or educational program that is delivered in audio format, often for learning purposes.
Example: "I enrolled in an audio course on digital marketing to learn while I commute."
Alternatives: "audio program" or "audio lesson".
The programs will be supported by print, online and audio course materials published by Pearson units, including Simon & Schuster and Addison Wesley Longman.
It promises games, more than 300 vocabulary flashcards, a grammar summary, culture notes and a "conversational dialogue" to complement the publisher's Living Language Dothraki book and audio course, which goes on sale in the UK later this month.
He has written nearly 450 research publications, holds 47 U.S. patents and has produced both a 24-hour film course and an audio course on heterocyclic chemistry, distributed by the American Chemical Society.
According to the press release, the newest edition to the Night Vale Presents family will be a 10-part story presented in the "form of an audio course on full-body relaxation issued by the Institute to you, (the listener) a nameless medical inmate".
Hindi Program at Penn, by Surendra Gambhir An audio course.
He bought my blogging audio course.
On Sunday, Virgin added audio courses in English-to-Spanish and Spanish-to-English on its fleet's in-flight entertainment systems in every seat.
The group has also organised visits to the Portuguese Settlement in Malacca, started work on a dictionary and textbook, created free online audio courses, and even done YouTube covers of pop songs in Kristang.
To my understanding, the definition of podcast here may be broader than the scope in the U.S. — by including audio courses — but the Chinese government estimated the market for paid podcasts alone as $7.3 billion in 2017.
Many of these clubs have lending libraries with books, video and audio courses as well.
That audio, of course, after appropriate amplification drives a speaker.
