Glossary of Terms
Term | Meaning | Page |
AAC | An abbreviation for “Advanced Audio Coding”. This is | 21 |
| a compression standard that applies only to the audio |
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| component in image compression methods used for |
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| digital broadcasting, etc. |
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Bit rate | A value indicating the amount of information | 21 |
| processed per second. The higher the bit rate, the |
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| better the sound quality. |
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Refers to music CDs. Almost all discs normally referred | 20 | |
| to as “CDs” are actually |
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CONEQ | CONEQ equalizes acoustic power frequency response | 44 |
| and corrects phase and time alignment errors of |
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| a speaker system. Speakers with CONEQ perform |
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| as |
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| the original sound with the highest musicality and |
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| intelligibility. |
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MP3 | An audio compression method developed by | 21 |
| Germany's Fraunhofer IIS, which achieves high rates |
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| of data compression by discarding data not readily |
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| audible to humans. MP3 can compress data down to |
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| rates of approximately 1/11 (128 kbps) while retaining |
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| sound quality equivalent to a music CD. |
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Sampling | A value that indicates the number of times per second | 21 |
frequency | analog signals are sampled for conversion to digital |
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| signals. The sampling frequency for music CDs is 44.1 |
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| kHz. Normally, the higher the sampling frequency, the |
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| better the sound quality. |
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TAG information | Information included in audio files, such as title, artist, | 21 |
| album, and genre. |
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USB | A standard for the interface to connect peripheral | 20 |
| devices to a computer. This system supports USB 1.1 |
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| and 2.0. |
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USB mass | A standard for computer control of a USB device. It | 20 |
storage class | also makes it possible for a computer to recognize a |
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| connected USB device as an external storage device. |
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WMA | An abbreviation for the “Windows Media™ Audio” | 21 |
| audio compression and encoding system developed |
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| by Microsoft Corporation of the U.S. |
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