Page 69 - SREENARAYANAGURU OPEN UNIVERSITY

f AAC- advanced audio coding ble of encoding or decoding signals; an exam-
f Vorbis - a free open software ple of the same is LAME, which converts a
f FLAC digitalised WAV audio file into a MP3 format.
f Opus
f LDAC
There are also audio codecs which are capa-

Recap

f Significance of practicing ‘listening skills’ using media
f Includes audio and audio-visual contents
f Media resources include radio, tv, computer, smart phones, internet etc.
f Asynchronous learning is possible
f Material prepared in one location and time can be accessed from another
location and time
f Importance of digital technology in facilitating the development of lis-
tening and English language learning
f Digital Platforms contain learning resources for practicing and self-test-
ing listening skills
f Such platforms include YouTube, Vimeo, TED, and NPTEL
f Subtitled videos are also vital learning tools- allows learners to self-prac-
tice, evaluate, and correct their listening skills
f The storage and transfer of audio resources for listening practice is pos-
sible through gadgets
f Audio file formats such as MP3, AAC, Vorbis, FLAC, Opus, and LDAC
are used
f Audio codecs capable of encoding/decoding signals
f Eg: LAME which converts WAV audio format to MP3

Objective Questions

1. What are the five steps involved in the listening process?
2. Why was the radio useful for the illiterate and the visually-challenged sections
of society?
3. Which senses are engaged by audio-visual media such as television?
4. What is asynchronous communication?
5. What is the internet referred to as?
6. What kind of resources are available in YouTube?
7. Which institutions jointly run NPTEL?

SGOU - FYUGP - SLM - English for Communication 63