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It is commonly used to describe compressed data bitrates. For example, the transparency threshold for MP3 to linear PCM audio is said to be between 175 and 245 kbit/s, at 44.1 kHz, when encoded as VBR MP3 (corresponding to the -V3 and -V0 settings of the highly popular LAME MP3 encoder). [1]
Lossy data compression involves discarding some of the media's data so that it becomes small enough to be stored within the desired disk space or transmitted (streamed) within the available bandwidth (known as the data rate or bit rate). If the compressor cannot store enough data in the compressed version, the result is a loss of quality, or ...
Windows Media Audio: Microsoft: 1999 11.0 Free for consumer licensees of the Windows operating system [citation needed] Free for licensees of the Windows operating system [41] Windows Media Player, Windows Media Encoder: FFmpeg (decoding only for Pro, Lossless and Voice) internet streaming Yes No Yes Yes Optional [42] Audio compression format ...
Encoding is limited to constant bit rate (CBR) and up to 20 kbit/s. The first and only version of the codec is WMA 9 Voice. Windows Mobile-powered devices with Windows Media Player 10 Mobile have native support for WMA 9 Voice playback. [30] In addition, BBC World Service has employed WMA Voice for its Internet radio streaming service. [49]
A compressed audio optical disc, MP3 CD, or MP3 CD-ROM or MP3 DVD is an optical disc (usually a CD-R, CD-RW, DVD-R or DVD-RW) that contains digital audio in the MP3 file format. Discs are written in the " Yellow Book " standard data format (used for CD-ROMs and DVD-ROMs ), as opposed to the Red Book standard audio format (used for CD-DA audio CDs).
fre:ac is a free audio converter and CD extractor for Windows, Linux, macOS, and FreeBSD, distributed under the GPL-2.0-or-later. [2]Besides extracting audio from compact discs (with various features including hidden track detection), fre:ac can also convert audio files from one format to another or to the same format at a lower bitrate (a higher bitrate can be forced but this does not ...
The audio bit rate for a Red Book audio CD is 1,411,200 bits per second (1,411 kbit/s) or 176,400 bytes per second; 2 channels × 44,100 samples per second per channel × 16 bits per sample. Audio data coming in from a CD is contained in sectors, each sector being 2,352 bytes, and with 75 sectors containing 1 second of audio.
Vorbis nominal bitrate at quality levels for 44.1 kHz stereo input. The new libvorbis v1.2 usually compresses better than these values (effective bitrate may vary). Quality Nominal bitrate Official Xiph.Org Foundation Vorbis -q-1 45 kbit/s 48 kbit/s -q0 64 kbit/s -q1 80 kbit/s -q2 96 kbit/s -q3 112 kbit/s -q4 128 kbit/s -q5 160 kbit/s -q6