 |
1 | |
Which of these statements regarding the MIDI audio format is true? |
| | A) | It is difficult to change instruments. |
| | B) | Spoken audio is difficult to include. |
| | C) | Sound tracks can be edited using waveform editors. |
| | D) | Files are generally larger than the same digital audio sound. |
| | E) | Stretching and changing the sound distorts the quality. |
|
|
2 | |
Clipping is: |
| | A) | when the level of a signal exceeds the recorder’s maximum recording level |
| | B) | when an editor cuts the ends of an audio track |
| | C) | when audio clips are downsampled to a lower frequency or sample rate |
| | D) | when an audio clip is converted to a lossy file format |
| | E) | when a longer audio recording is split into smaller clips |
|
|
3 | |
When sound is digitized, the frequency with which a section of sound is taken and stored is known as the: |
| | A) | resolution |
| | B) | bit depth |
| | C) | sample size |
| | D) | sampling rate |
| | E) | dynamic range |
|
|
4 | |
Processing an audio signal to modify its frequency content so that it sounds “brighter” or “darker” is called: |
| | A) | quantization |
| | B) | interpolation |
| | C) | dynamic range |
| | D) | equalization |
| | E) | downsampling |
|
|
5 | |
The default format for iPod, iPhone, PlayStation, Wii, Dsi, and many mobile phones is: |
| | A) | AAC |
| | B) | AIFF |
| | C) | MP4 |
| | D) | OGG |
| | E) | WAV |
|
|
6 | |
Adobe Flash can read and save files in which compressed audio format? |
| | A) | AAC |
| | B) | MP3 |
| | C) | MP4 |
| | D) | OGG |
| | E) | WAV |
|
|
7 | |
Because the quality of audio is based on the quality of recording and not the device on which the end user will play the audio, digital audio is: |
| | A) | lossy |
| | B) | device independent |
| | C) | streaming |
| | D) | latent |
| | E) | compressed |
|
|
8 | |
Why is normally appropriate to record the human voice in mono? |
| | A) | The sound comes from just one point. |
| | B) | The voice has a limited frequency range. |
| | C) | When recorded in stereo, the recording results in a strange “flange” effect. |
| | D) | It is easier to mix two mono dialog tracks to left and right channels. |
| | E) | It has a limited dynamic range. |
|
|
9 | |
The file size of a 20-second recording, sampled at 11 kHz, 16-bit stereo (two tracks) would be about: |
| | A) | 110,000 bytes |
| | B) | 220,000 bytes |
| | C) | 440,000 bytes |
| | D) | 880,000 bytes |
| | E) | 1,764,000 bytes |
|
|
10 | |
The process of adjusting the volume of a sound to bring it to a standard level is called: |
| | A) | downsampling |
| | B) | quantization |
| | C) | digitization |
| | D) | sequencing |
| | E) | normalization |
|