Spectral band replication

SBRMPEG-4 V3 SBR
Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.wikipedia
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Coding Technologies

CT-aacPlus
A Swedish company, Coding Technologies (acquired by Dolby in 2007), developed and pioneered the use of SBR in its MPEG-2 AAC derived codec called aacPlus, which first appeared in 2001.
Coding Technologies AB was a Swedish technology company that pioneered the use of spectral band replication in Advanced Audio Coding.

High-Efficiency Advanced Audio Coding

eAAC+eAACHE-AAC
This codec was submitted to MPEG and formed the basis of MPEG-4 High-Efficiency AAC (HE-AAC), standardized in 2003.
HE-AAC version 1 profile (HE-AAC v1) uses spectral band replication (SBR) to enhance the compression efficiency in the frequency domain.

Advanced Audio Coding

AACAAC/AAC+/eAAC+.aac
A Swedish company, Coding Technologies (acquired by Dolby in 2007), developed and pioneered the use of SBR in its MPEG-2 AAC derived codec called aacPlus, which first appeared in 2001.
The HE-AAC Profile (AAC LC with SBR) and AAC Profile (AAC LC) were first standardized in ISO/IEC 14496-3:2001/Amd 1:2003.

Mp3PRO

very old software encoder/player
Coding Technologies' SBR method has also been used with WMA 10 Professional to create WMA 10 Pro LBR, and with MP3 to create mp3PRO.
mp3PRO is an unmaintained proprietary audio compression codec that combines the MP3 audio format with the spectral band replication (SBR) compression method.

HD Radio

HDHD2HD-2
It is used in broadcast systems like DAB+, Digital Radio Mondiale (both DRM+ and DRM), HD Radio, and XM Satellite Radio.
By using spectral band replication the HDC+SBR codec is able to simulate the recreation of sounds up to 15,000 Hz, thus achieving moderate quality on the bandwidth-tight AM band.

IEEE Masaru Ibuka Consumer Electronics Award

IEEE Consumer Electronics AwardMasaru Ibuka Consumer Electronics Technical Field Award
Lars Liljeryd, Kristofer Kjörling, and Martin Dietz received the IEEE Masaru Ibuka Consumer Electronics Award in 2013 for their work developing and marketing HE-AAC.

MPEG-4 Part 3

AACAAC+ISO/IEC 14496-3
MPEG-4 Part 3
High-Efficiency Advanced Audio Coding is an extension of AAC LC using spectral band replication (SBR), and Parametric Stereo (PS).

XM Satellite Radio

XMXM RadioFred
It is used in broadcast systems like DAB+, Digital Radio Mondiale (both DRM+ and DRM), HD Radio, and XM Satellite Radio.
XM preprocessed audio content using Neural Audio processors that are optimized for the aacPlus codec, including spectral band replication (SBR).

Speech coding

speech codecspeech encodingspeech
Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.

Bit rate

bitratedata ratedata transfer rate
Spectral band replication (SBR) is a technology to enhance audio or speech codecs, especially at low bit rates and is based on harmonic redundancy in the frequency domain.

Data compression

compressionvideo compressioncompressed
It can be combined with any audio compression codec: the codec itself transmits the lower and midfrequencies of the spectrum, while SBR replicates higher frequency content by transposing up harmonics from the lower and midfrequencies at the decoder.

Dolby Laboratories

DolbyDolby VisionDolby Labs
A Swedish company, Coding Technologies (acquired by Dolby in 2007), developed and pioneered the use of SBR in its MPEG-2 AAC derived codec called aacPlus, which first appeared in 2001.

Windows Media Audio

WMAXMA.wma
Coding Technologies' SBR method has also been used with WMA 10 Professional to create WMA 10 Pro LBR, and with MP3 to create mp3PRO.

MP3

.mp3MP3 downloadmp3s
Coding Technologies' SBR method has also been used with WMA 10 Professional to create WMA 10 Pro LBR, and with MP3 to create mp3PRO.

Digital audio broadcasting

DABDAB+digital radio
It is used in broadcast systems like DAB+, Digital Radio Mondiale (both DRM+ and DRM), HD Radio, and XM Satellite Radio.

Digital Radio Mondiale

DRMdigitalDigital Radio Mondiale (DRM)
It is used in broadcast systems like DAB+, Digital Radio Mondiale (both DRM+ and DRM), HD Radio, and XM Satellite Radio.

Psychoacoustics

psychoacousticpsychoacoustic modelpsychoacoustical
Psychoacoustics

FAAC

Freeware Advanced Audio Decoderlibfaac
It supports several MPEG-4 Audio object types (LC, Main, LTP for encoding and SBR, PS, ER, LD for decoding), file formats (ADTS AAC, raw AAC, MP4), multichannel and gapless encoding/decoding and MP4 metadata tags.

High-Definition Coding

Hybrid Digital Coding
HDC (Hybrid Digital Coding) with SBR (spectral band replication) is a proprietary lossy audio compression codec developed by iBiquity for use with HD Radio.

SBR

Spectral band replication, a technology to enhance audio or speech codecs especially at low bit rates

Fraunhofer FDK AAC

AAC codec libraryFDK AACFraunhofer FDK AAC library
It supports several Audio Object Types including MPEG-2 and MPEG-4 AAC LC, HE-AAC (AAC LC + SBR), HE-AACv2 (LC + SBR + PS) as well AAC-LD (low delay) and AAC-ELD (enhanced low delay) for real-time communication.

Nero AAC Codec

The encoder and decoder support MPEG-4 AAC LC, HE-AAC (AAC LC + SBR), and HE-AACv2 (LC + SBR + PS) Audio Object Types.

Enhanced Audio Codec

Enhanced Audio Codec is an audio codec developed and owned by Beijing E-World, that uses a unique perceptual model, spectral band replication, to compress the audio signal by utilizing the redundancy as well as the relevancy.

Flash Video

FLVFlash.flv
Recent versions of Flash Player 9 support AAC (HE-AAC/AAC SBR, AAC Main Profile, and AAC-LC).

Opus (audio format)

OpusOpus audio format.opus
In listening tests around 64 kbit/s, Opus shows superior quality compared to HE-AAC codecs, which were previously dominant due to their use of the patented spectral band replication (SBR) technology.