|Internet media type|
|Initial release||1993; 27 years ago|
|Type of format||Audio compression format, audio file format|
MPEG-1 Audio Layer I, commonly abbreviated to MP1, is one of three audio formats included in the MPEG-1 standard. It is a deliberately simplified version of MPEG-1 Audio Layer II, created for applications where lower compression efficiency could be tolerated in return for a less complex algorithm that could be executed with simpler hardware requirements. While supported by most media players, the codec is considered largely obsolete, and replaced by MP2 or MP3.
8/10 (56 votes) - Download MP3 Codec Free. MP3 Codec will allow you to play and enjoy your MP3 music files. Get the codec for the music format that has become most popular, download MP3 Codec free. At the end of the 90's an audio format became very popular, we are talking about MP3, that despite. This DirectShow filter has been designed for easy incorporation into captures and network streaming applications. The encoding engine of Elecard MPEG Layer III Audio Encoder is LAME 3.88 beta MPEG Layer III. The filter cannot be run directly and it is available in the AX format, which means that developers can easily include it into their projects.
For files only containing MP1 audio, the file extension .mp1 is used.
MPEG-1 layer I was also used by the Digital Compact Cassette format, in the form of the PASC audio compression codec. Because of the need of a steady stream of frames per second on a tape-based medium, PASC uses the rarely used (and under-documented) padding bit in the MPEG header to indicate that a frame was padded with 32 extra 0-bits (four 0-bytes) to change a short 416-byte frame into 420 bytes. The varying frame size only occurs when a 44.1 kHz 16-bit stereo audio signal is encoded at 384 kilobits per second, because the bitrate of the uncompressed signal is not an exact multiple of the bitrate of the compressed bit stream.Ranu mukherjee nani teri morni ko.
MPEG-1 Layer I is defined in ISO/IEC 11172-3, which first version was published in 1993.
- Sampling rates: 32, 44.1 and 48 kHz
- Bitrates: 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416 and 448 kbit/s
An extension has been provided in MPEG-2 Layer I and is defined in ISO/IEC 13818-3, which first version was published in 1995.
- Additional sampling rates: 16, 22.05 and 24 kHz
- Additional bitrates: 48, 56, 80, 112, 144 and 176 kbit/s
MP1 uses a comparatively simple sub-band coding, using 32 sub-bands.
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- ^'The audio/mpeg Media Type - RFC 3003'. IETF. November 2000. Retrieved 2009-12-07.
- ^'MIME Type Registration of RTP Payload Formats - RFC 3555'. IETF. July 2003. Retrieved 2009-12-07.
- ^ ab'ISO/IEC 11172-3:1993 - Information technology -- Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s -- Part 3: Audio'. ISO. 1993. Retrieved 2010-07-14.
- ^'ISO/IEC 13818-3:1995 - Information technology -- Generic coding of moving pictures and associated audio information -- Part 3: Audio'. ISO. 1995. Retrieved 2010-07-14.
- ^DCC faq: PASC
- ^ ab'MPEG Audio Frame Header'. 2003-08-03. Archived from the original on 2015-02-08. Retrieved 2009-05-29.
- ^'The Free Dictionary: MPEG-1 audio layer 1'.
As time went by, millions of users used it to share their music on the Internet, something that made accessing any album from all over the world easier. Furthermore, as more work was put into the development of the codec, better compression ratio was managed, increasing the quality.
MP3 Codec is necessary if we want to play the most popular audio format in the world and it's more than advisable to keep it updatedat all times, to be able to enjoy the innovations that are included in each version.
If you like music and you have hundreds of albums stored on your computer's hard drive, you have to download the latest version of the MP3 Codec (Fraunhofer MPEG Layer-3 Audio Decoder), so that you can always enjoy your songs with the best quality.