Q: why would two mp3 files of the same song (apparently same characteristics) be wildly different in size?

What are the characteristics of an MP3 file?

The MP3 format is characterized by high-quality sound requiring a comparatively small volume on the storage medium. The majority of audio files available today are in MP3 format and almost all players and computer systems support it.

Are all MP3 files the same?

Firstly, the MPEG Layer 3 format (MP3 for short) supports different levels of data compression. Perhaps the most common is 128kbps (kilobits per second), but 48, 56, 64, 96, 192 and more are all in use. The lower the bit-rate, the more extreme the compression, and the more obvious its audible consequences.

How does MP3 compression work?

MP3 compression works by reducing (or approximating) the accuracy of certain components of sound that are considered (by psychoacoustic analysis) to be beyond the hearing capabilities of most humans. This method is commonly referred to as perceptual coding or as psychoacoustic modeling.

What are the advantages and disadvantages of MP3?

Advantages and disadvantages of using MP3 files. The advantage of MP3 files is their size, which is about 1/10 the file size of data CDs. However, the rich bass and the high frequency audio quality may deteriorate during the encoding (ripping) process.

What are the three important characteristics of a file?

Defining the Characteristics of a File

  • The length and format of its records.
  • The device type on which it is stored.
  • The operations that you want to be performed besides reading or writing records.
  • The handling of errors detected by SAM.

Do all MP3s have the same sound quality?

There is no best bitrate, only the right bitrate.
Audio CD bitrate is always 1,411 kilobits per second (Kbps). The MP3 format can range from around 96 to 320Kbps, and streaming services like Spotify range from around 96 to 160Kbps. High bitrates appeal to audiophiles, but they are not always better.

How do I make my MP3 sound equal?

What to Know

  1. Download and install MP3Gain and select Options > Filename Display > Show File Only.
  2. Next, select Add File(s) and add your MP3 files to MP3Gain.
  3. Select Track Analysis > Track Gain for unrelated tracks, or Album Analysis > Album Gain to normalize an album.

What does MP3 stand for?

MPEG-1 Audio Layer 3

What does MP3 stand for? MP3 is an abbreviation for MPEG-1 Audio Layer 3, a data compression format for encoding digital audio, most commonly music.

What are the characteristics of audio media?

The audio media type is used to represent sounds this includes music, speech sound effects. All sounds are transmitted through the air as compression waves, vibrations cause molecules in the air to compress and decompress. This compression is passed onto surrounding molecules an the wave then travel through the air.

What is in an MP3 file?

What is a MP3 file? The MP3 file extension is a widely used digital audio container that has revolutionized the music playback, sharing and distributing industry. This format is based on either MPEG-1 Audio Layer III or MPEG-2 Audio Layer III codec developed by the Moving Picture Experts Group (MPEG).

Why is MP3 a good file format?

MP3 files are the sound part of an MPEG file. They are incredibly popular with users because the audio files are compressed to about one tenth of the original size. As a result, they take up very little disk space and are quick to download. At the same time, they are able to deliver audio that is almost CD quality.

What is MP3 most commonly used for?

MP3 files are commonly used to store a song or the whole CD and require little hard drive space. Because of their small file size, a computer can save several hundred or thousands of songs. Example of an MP3 file.

What does MP3 stand for?

MPEG-1 Audio Layer 3

What does MP3 stand for? MP3 is an abbreviation for MPEG-1 Audio Layer 3, a data compression format for encoding digital audio, most commonly music.

Which MP3 is the best sound quality?

The highest quality MP3 has a bitrate of 320kbps, whereas a 24-bit/192kHz file has a data rate of 9216kbps. Music CDs are 1411kbps.