Consumer Technology Formats: Compressed Digital Formats

Question 1

Since the late 1990s, there’s been a development of compressed audio formats small enough to be transferred across the internet (? - Moving Picture Experts Group).

Answer 1

MP3.

Question 2

Some audio data in MP3 files’ lost when encoded. MP3 encoders compress audio data ?, reducing file size when compared to an uncompressed audio file. Yet, ? associated with frequency and dynamics’ lost through this process, audible when listening to MP3s through high ? speaker systems.

Answer 2

Effectively.
Detail.
Quality.

Question 3

The bit rate of an MP3 file’s the sample rate multiplied by the ? per ?, ranging from 96kbps to 320kbps, showing the amount of compression taking place compared to CD ?

Answer 3

Bits.
Channel.
Audio.

Question 4

In the early 2000s, many companies developed better file compression formats reducing the size of audio files without affecting the quality (Apple’s iPod in ?).

Answer 4

MP4.

Question 5

iTunes became the dominant sales format in the early 2010s. The consumer pays a monthly subscription to companies (?) and can listen to as much music as they wish. Yet, artists receive less money for ? music.

Answer 5

Spotify.

Streaming.

Question 6

Many online streaming services add a variety of extra processing to music (volume ? and ?).

Answer 6

Normalisation.

Limiting.