3736308
Beschreibung
Karteikarten von Laura Ridley, aktualisiert more than 1 year ago
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Erstellt von Laura Ridley
vor etwa 9 Jahre
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| Frage | Antworten |
| The process of converting analogue sound into a digital file containing binary is called...? | Sampling |
| How will a large interval affect the quality of the audio and file size? | The larger the interval the smaller the file size and the worse the audio quality. |
| What is an Interval | The amount of time between two samples. |
| How will a smaller interval between samples affect the quality of the audio and file size? | The smaller the interval the larger the file size and the better the audio quality. |
| Sampling is.... | The process of converting an analogue signal into a digital file containing binary values |
| The height of a wave or its loudness is referred to as its.....? | Amplitude |
| Amplitude is...? | The height of a wave, this represents its loudness. |
| What is sampling measured in? | Hertz (Hz) Music files have a typical sample rate of 44,100 hz that means 44,100 samples are taken per second. |
| How does sampling work? | 1. Samples are taken at regular intervals 2. The amplitude of the track is measured at each interval 3. The samples are converted from analogue sound into a digital file containing binary values. |
| What are the two main types of sound compression? | Lossy and Lossless |
| What is compression? | The process of removing data to reduce the file size |
| How will using lossless compression affect the quality of sound? | Sound quality remains the same and the file can be returned to its original state |
| How will using lossy compression affect the quality of sound? | Some of the audio data is permanently deleted so it is no longer like the original. The part that is deleted is the less noticeable part |
| One advantage of using lossy compression is? | File size is reduced |
| One disadvantage of using lossy compression is? | File can not be returned to its original sate and quality will be lower |
| One advantage of using lossless compression is? | The sound file can be returned to its original state |
| One disadvantage of using lossless compression is? | The file size is not reduced as much as with lossy compression |
| What is Bit depth? | The amount of data or bits received per sample |
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