the number of bits used to store one second of audio in the data stream. The term more often refers to encoded audio data. The concept is relevant in connection with the recording and playback of compressed sound (compression formats MP3 / WMA / AAC / ATRAC-3). Typical “bitrate” values ​​for MP3 recordings are 64–256 kb / s (the most common is 128 kb / s). There are systems that support variable bitrate.

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