AUDIO INFORMATION and Media

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Audio

Is a sound within the range of human hearing.

Audio

This relates to or employed in the transmission, reception or reproduction of sound.

Sound effects, music, songs, newscasts, public service announcements, speeches

Example of audio

1\.) Amplitude

2\.) Frequencies

3\.) Wave Form

4\.) Speed of Propagation

The Four Fundamental Attributes of Sound

Amplitude

Refers to how sound particles are displaced or scattered that produces a certain level or intensity of loudness.

Frequency

It is measured by counting the number of vibrations of sound particles in the path of wave in a span of a second.

Wave Form

The actual shape of the sound waves. This is commonly associated to the timbre or quality of sound.

Speed of Propagation

It pertains to how quickly sound travels.

Music

Vocal or instrumental sounds (or both) combined in such a way as to produce beauty of form, harmony, and expression of emotion.

Radio Newscasts

News clips or articles delivered by radio journalists

Public Service Announcements

Message in the public interest disseminated by the media without to raise public awareness

Radio commercials

paid advertisements that intend to promote a service or product

Radio dramas

similar to a television soap opera, these are purely acoustic programs broadcasted on radio

Podcasts

Digital audio programs that can be streamed or downloaded through the internet

1. M4A
2. FLAC (Free Lossless Audio Codec)
3. MP3 (Media Player 3)
4. MP4 (Media Player 4)
5. WAV (Waveform Audio File)
6. WMA (Windows Media Audio)
7. AAC (Advanced Auto Coding)

7 Popular Audio File Types to Consider (Casey Schmidt, 2020)