What is the audio format of aac?
I believe that many friends will find the audio format of aac when listening to songs.
At this time, some friends asked, what kind of audio format is the aac format? Compared to mp3, which sound quality is better? To answer your questions, Xiao Bian went to study it personally, and now I will bring you the specific introduction of the aac format and the comparison with mp3. Come and have a look.
What audio format is aac?
The details are as follows:
AAC (Advanced Audio Coding), Chinese name: Advanced Audio Coding. It appeared in 1997, based on MPEG-2 audio coding technology. Co-developed by Fraunhofer IIS, Dolby Laboratories, AT&T, Sony and other companies to replace the MP3 format.
AAC is a file compression format designed for sound data. Unlike MP3, it uses a new encoding algorithm, which is more efficient and has a higher “price ratio”. Using the AAC format may make people feel that the sound quality is not significantly reduced and that it is more compact. Apple iPod, Nokia mobile phone supports audio files in AAC format.
Advantages: Compared to mp3, AAC format has better sound quality and smaller file size.
Disadvantages: AAC is a lossy compression format and there is an “essential” gap in sound quality compared to popular lossless formats like APE and FLAC. In addition, USB3.0 with faster transmission speed and large-capacity MP3 above 16G are accelerating the popularization, which also makes the “small” halo in the AAC head no longer exist.
Characteristic:
1. Improved compression ratio: You can get higher sound quality with smaller file size.
2. Support multi-channel: It can provide up to 48 full-range channels.
3. Higher resolution: sampling rate up to 96KHz.
4. Improved decoding efficiency: fewer resources are occupied by decoding and playback.
which sound is better aac or mp3
1.ACC has better sound quality than MP3
Compared to mp3, AAC format has better sound quality and smaller file size. Unlike MP3, it uses a new encoding algorithm, which is more efficient and has a higher “price ratio”. Using the AAC format can make the sound quality appear lower, without significant degradation;
The mp3 is encoded at a lower bitrate, so encoder errors are more noticeable and sound like echoes.
2.ACC is more algorithmic and advanced than MP3
The algorithm adopted by AAC is different from that of MP3. AAC improves encoding efficiency by combining other features. AAC’s audio algorithm far surpasses some previous compression algorithms (such as MP3, etc.) in terms of compression capabilities;
It also supports up to 48 tracks, 15 low-frequency tracks, more sample rates and bit rates, multi-language support, and higher decoding efficiency. It is called a 48-channel soundtrack, with a sample rate of 96khz and a data rate of 320kbps, providing the equivalent of ITU-R broadcasts for 5.1-channel music programs.
3.ACC is more advanced than MP3
The AAC format appeared in 1997, based on MPEG-2 audio coding technology. Fraunhofer II, Dolby Laboratories;
MP3 was invented and standardized in 1991 by a group of engineers at the Fraunhofer-Gesellschaft research organization in Erlangen, Germany.
