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Microsoft MPEG-1/DD/AAC Audio Decoder …
https://docs.microsoft.com/en-us/windows/win32/directshow/microsoft-mpeg-1-dd-audio-decoder
MPEG-1 audio layers I and II. Backward-compatible MPEG-2 audio, layers I and II (ISO/IEC 13818-3), mono and stereo only. Advanced Audio Coding (AAC) Low Complexity (LC) profile. High-Efficiency AAC (HE-AAC) version 1 and version 2. Pass-through Digital Theater Systems (DTS) for digital output.
Audio | MPEG - MPEG-1 Audio Layer II
https://mpeg.chiariglione.org/standards/mpeg-1/audio
MPEG-1 Layer I or II Audio is a generic subband coder operating at bit rates in the range of 32 to 448 kb/s and supporting sampling frequencies of 32, 44.1 and 48 kHz. Typical bit rates for Layer II are in the range of 128-256 kbit/s, and 384 kb/s for professional applications.
MPEG-1 Audio Decoder Filter - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/mpeg-1-audio-decoder-filter
Decodes MPEG-1 Layer I and Layer II audio to PCM. MPEG-1 Audio Decoder Filter. Label. Value. Filter Interfaces. IBaseFilter, ISpecifyPropertyPages. Input Pin Media Types. MEDIATYPE_Audio, FORMAT_WaveFormatEx. The following subtypes are valid:
MPEG-1 and MPEG-2 Layer II Audio Encoding - loc.gov
https://www.loc.gov/preservation/digital/formats/fdd/fdd000338.shtml
MPEG-1 Audio Layer II is defined in ISO/IEC 11172-3. An extension of MPEG-1 Layer II is defined in ISO/IEC 13818-3, which adds more sampling and bit rates as well as support for up to 5 audio channels. Production phase: Generally used for final-state, end-user delivery. Relationship to other formats; Subtype of: MPEG-1, MPEG-1 Video Coding (H.261)
MP3 (MPEG Layer III Audio Encoding) - Library of Congress
https://www.loc.gov/preservation/digital/formats/fdd/fdd000012.shtml
MPEG Layer III audio encoding is defined in two ISO/IEC specification families (MPEG-1: 11172-3 and MPEG-2: 13818-3). Description MP3 compression employs perceptual coding , an approach based on psychoacoustic models that permit the codec to discard or reduce the precision of audio components that are less audible to human hearing.
What is MPEG-1 Audio Layer 3 (MP3)? - Definition from ...
https://www.techopedia.com/definition/903/mpeg-1-audio-layer-3-mp3
Compared with MPEG-1 Audio Layer 1 (MP1) or Layer 2 (MP2), it provides excellent compression of music signals. It can be used for dual channels, single channel, stereo, multichannel signals and joint stereo. This format is based on perceptual coding, and the compression algorithm brings in a compression factor of about 12.
MP3 to MPEG convert audio files — FREE online converter
https://online-audio-convert.com/en/mp3-to-mpeg/
mp3. MP3 (more specifically, MPEG-1/2/2.5 Layer 3; but not MPEG-3) A standardized file for storing audio information. Supported by virtually all music players and playable on almost all mobile devices. When the audio data is compressed, the sound quality decreases, albeit insignificantly. The compression process erases the frequency that is ...
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