Solved by Expert Tutors
Solved by Expert Tutors
Question

# Hello I am really struggling with this question for computer science

You are recording a piece of music on your computer using a sampling rate of 45kHz and each sample is 2 bytes.

For full marks, you must show all your working.

• i.How many bits are in each sample?
• ii.How many bits per second are processed while the song is being recorded? Express your answer in scientific notation to 3 significant figures.
• iii.If the song is 3 minutes and 10 seconds long, how many bits are processed in total? Express your answer in scientific notation to 4 significant figures.
• iv.If the sampling rate is reduced to 40kHz how many bits will be processed using the same piece of music?  Express your answer in scientific notation to 3 significant figures.
• v.What is the percentage decrease in the number of bits processed as a result of reducing the sampling rate from 45kHz to 40kHz. Express your answer to 2 decimal places.

I have tried to work them out but I am struggling please can you help me work them out

Many thanks

at, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices a

ec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dapibus efficitur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis. Pellentesque dap

m risus ante, d

• trices ac manec facilisis. Pellentesque dapibus effi
• rem ipsumctum vitae odio. Donec aliquet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Na
• ur laoreet. Nam rispulvinar tortor nec facilisis. Pellentesque
• ultrices, dictum vitae odio. Donec aliquet. Lorem ipsum dolor sit a
• ec aliquecing elit. Nam lacinia pulvinar tortor nec facilisi
• ongue veipiscing elit. Nam lacinia p
acinia pulvi

ia pulvi

sum dolor sit amet, cons

dictum vitae odio. Done

ctum vitae odio. Donec aliqdictuu

ipiscing

risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel lao

cing elit.xiscing

ur laoreetx

trices ac magna. Fusce dui lectus, congue vel laour laoretm risus ante, d

m ipsum

ur laoreet. Nam risus ante, dapibus

gue vel laoreet ac, dictum vitae odio. Donec aliquet

ce dui lectus, congue vel laoreet ac, dictum vitae odio. Donec aliquet. Lorem ipsum

at, ultrices ac m,x

llentesque,

sum dolor sit amet, consectetur adipiscing elit. Nam lacionec aliquinec

ng elit.

ce dui lectus, congue vel laoreet ac, dictum

risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus, congue vel lao

congue vxsque

gur laoretm risus ante, d

ur laoreet. Nam risus ante, dapibus a molestie consequat, ultrices ac magna. Fusce dui lectus,

ur laoreet. Nam,

ultrices a,

consectetur adipiscing elit. Nam lacinia pulvinar toonec aliquinec

ctum vit

et, consectetur adipiscing elit. Nam lacinia pulvinar tortor nec facilisis.

lestie consequat, ultrices ac magna. Fusce dui lectus, c

or nec facilisis. Pltrices ac magna. Flrem i

triitur laorlrem i

ultrices ac magna. Fusce dui lectus, congue vel laoreet ac, dictum vitae o

dictum vitaelec facilisis. Pelllusce dui lec

, ultrices ac magna. Fusce dui lectus

### Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

• ### -

Study Documents

Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

Browse Documents