| A | B |
| Decibels (dB) | Measurement of the loudness or intensity of a sound. |
| Hertz (Hz) | Measurement of the frequency of a sound. |
| Bit Rate | The number of computer bits per unit of time, measured in kbps (kilobits per second). |
| Audacity | The name of a free, open source audio recording and edition software application |
| Waveform | A visual representation of an audio signal. |
| What increases as the amplitude of a sound wave increases? | The sound becomes louder. |
| Wavelength | Distance from crest to crest. |
| Amplitude | Distance from rest to crest |
| Frequency | The number of waves to pass a point in one second. |
| Crest | Point at maximum amount of upward displacement |
| Trough | Point at maximum amount of downward displacement. |
| AIFF | High quality for Mac platform |
| OGG | Open source, patent free |
| MP3 | Proprietary compressed format |
| AIFF | Developed by Apple |
| AUP | Only Audacity will allow you to open |
| MP3 | Widely used on portable music players |
| WAV | Native format for Windows |
| OGG | Popular with the gaming industry |
| AUP | Will allow you to edit original clips and effects |
| WAV | Developed by IBM and Microsoft |
| Sample Size | the number of bits used to save one sample |
| Mono | Audio that is a single channel |
| Stereo | Two channels of audio, as in human hearing |
| Pitch | The quality of the sound determined by the rate of vibration |
| Sampling | Process used to convert analog sound waves into digital data to be used by computers |
| Sample Rate | The number of samples taken per second, often measured in Kilohertz (kHz) |
| Audio File Size | Determined by the sample rate, sample size and number of channels used |