| Term ID | Term Name | Definition | Broader | Release Date |
|---|---|---|---|---|
| 1 | A-LAW | The 13 bits non-uniform coding scheme, as defined by G.711 | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 2 | MU-LAW | The 14 bits non-uniform coding scheme, as defined by G.711 | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 3 | ATRAC | The Adaptive Transform Acoustic Coding scheme as defined by Sony - Adaptive Transform Acoustic Coding | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 3.1 | ATRAC2 | The Adaptive Transform Acoustic Coding scheme as defined by Sony - Adaptive Transform Acoustic Coding 2 | ATRAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 3.2 | ATRAC3 | The Adaptive Transform Acoustic Coding scheme as defined by Sony - Adaptive Transform Acoustic Coding3 | ATRAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4 | DOLBY | Any Dolby compression scheme as defined by Dolby Laboratories. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.1 | DOLBY A | The Dolby A compression scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.2 | AC3 | Dolby AC3 | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.3 | E-AC3 | Dolby Enhanced AC3 | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.4 | DOLBY B | The Dolby B noise reduction scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.5 | DOLBY C | The Dolby C noise reduction scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.6 | DOLBY E | The Dolby E compression scheme as defined by Dolby Laboratories. This is 6 channels and metadata | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.7 | DOLBY Pro-logic | The Dolby Pro-logic compression scheme as defined by Dolby Laboratories. This is 4 channels. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.8 | DOLBY Pro-logic II | The Dolby Pro-logic II compression scheme as defined by Dolby Laboratories. This is 6 channels. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.9 | DOLBY S | The Dolby S noise reduction scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.10 | DOLBY SR | The Dolby SR noise reduction and recording scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.11 | DOLBY Stereo | The Dolby Stereo compression scheme as defined by Dolby Laboratories. This is for cinema. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.12 | DOLBY Surround | The Dolby Surround compression scheme as defined by Dolby Laboratories. This is 3 channels. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.13 | DOLBY Digital Plus | The Dolby Surround compression scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.14 | DOLBY EX | The Dolby Surround compression scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 4.15 | DOLBY TRUEHD | The Dolby compression scheme as defined by Dolby Laboratories. | DOLBY | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 5 | DTS | Digital Theatrical sound System | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 5.1 | DTS-ES | DTS ES (Extended Surround) | DTS | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 5.2 | DTS-HRA | DTS-HD High Resolution Audio | DTS | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 5.3 | DTS-96/24 | DTS | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 5.4 | DTS-MA | DTS-HD Master Audio | DTS | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6 | G.72x | ITU-T G.72x Speech Coding | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.1 | G.722 | standard wideband speech codec operating at 48-64 kbit/s. Technology of the codec is based on split band ADPCM. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.2 | G.723 | is an extension of Recommendation G.721 adaptive differential pulse code modulation to 24 and 40 kbit/s for digital circuit multiplication equipment application. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.3 | G.723.1 | audio codec for voice that compresses voice audio in 30 ms frames. An algorithmic look-ahead of 7.5 ms duration means that total algorithmic delay is 37.5 ms. Note that this is a completely different codec from G.723. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.4 | G.726 | ADPCM speech codec standard covering the transmission of voice at rates of 16, 24, 32, and 40 kbit/s | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.5 | G.728 | Speech coding operating at 16 kbit/s. Technology used is LD-CELP, Low Delay Code Excited Linear Prediction. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.6 | G.729 | Speech Coding. The Sub-band ADPCM coding scheme, as defined by G.729 | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.7 | G.729.1 | 8-32 kbit/s embedded speech and audio coder providing bitstream interoperability with G.729. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 6.8 | G.729.a | Audio data compression algorithm for voice that compresses voice audio in chunks of 10 milliseconds. | G.72x | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 7 | MPEG-1 Audio | Compression is applied to audio producing an output according to International Standard ISO/IEC 11172-3 with the limitations given by the specified Layer I defined within the same standard. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 7.1 | MPEG-1 Layer I | Compression is applied to audio producing an output according to International Standard ISO/IEC 11172-3 with the limitations given by the specified Layer I defined within the same standard. | MPEG-1 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 7.2 | MPEG-1 Layer II | Compression is applied to audio producing an output according to International Standard ISO/IEC 11172-3 with the limitations given by the specified Layer II defined within the same standard. So called Musicam. | MPEG-1 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 7.3 | MPEG-1 Layer III | Compression is applied to audio producing an output according to International Standard ISO/IEC 11172-3 with the limitations given by the specified Layer III defined within the same standard. | MPEG-1 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8 | MPEG-2 AAC | Advanced Audio Coding. Compression is applied to audio producing an output according to International Standard ISO/IEC 13818-7. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8.1 | MPEG-2 Audio AAC Low Complexity Profile | ISO/IEC 13818-7 | MPEG-2 AAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8.2 | MPEG-2 Audio AAC Main Profile | ISO/IEC 13818-7 | MPEG-2 AAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8.3 | MPEG-2 Audio AAC Sampling Rate Scalable Profile | ISO/IEC 13818-7 | MPEG-2 AAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8.4 | MP3 | MP3 Audio Coding: MPEG-1 Layer III + MPEG-2 Low Sampling Rate Layer III | MPEG-2 AAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 8.5 | HE-AACv2 | High Efficiency AAC v2 | MPEG-2 AAC | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9 | MPEG-2 Audio | ISO/IEC 13818-3 - MPEG-2 Audio Coding format | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.1 | MPEG-2 Layer I | Compression is applied to audio producing an output according to International Standard ISO/IEC 13818-3 with the limitations given by the specified Layer I defined within the same standard. | MPEG-2 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.2 | MPEG-2 Layer II | Compression is applied to audio producing an output according to International Standard ISO/IEC 13818-3 with the limitations given by the specified Layer II defined within the same standard. | MPEG-2 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.3 | MPEG-2 Layer III | Compression is applied to audio producing an output according to International Standard ISO/IEC 13818-3 with the limitations given by the specified Layer IIIdefined within the same standard. | MPEG-2 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.4 | MPEG-2 Audio Low Sampling Rate | MPEG-2 Audio Low Sampling Rate according to International Standard ISO/IEC 13818-3, extension to MPEG-1 (sample rates half those of MPEG-1, bit rates from 8 kbps up to 256kbp) | MPEG-2 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.4.1 | MPEG-2 Audio Low Sampling Rate Layer I | MPEG-2 Audio Low Sampling Rate Layer I according to International Standard ISO/IEC 13818-3 | MPEG-2 Audio Low Sampling Rate | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.4.2 | MPEG-2 Audio Low Sampling Rate Layer II | MPEG-2 Audio Low Sampling Rate Layer II according to International Standard ISO/IEC 13818-3 | MPEG-2 Audio Low Sampling Rate | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.4.3 | MPEG-2 Audio Low Sampling Rate Layer III | MPEG-2 Audio Low Sampling Rate Layer III according to International Standard ISO/IEC 13818-3 | MPEG-2 Audio Low Sampling Rate | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.5 | MPEG-2 Backward Compatible Multi-Channel | ISO/IEC 13818-3 - MPEG-2 Backward Compatible | MPEG-2 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.5.1 | MPEG-2 Backward Compatible Multi-Channel Layer I | ISO/IEC 13818-3 | MPEG-2 Backward Compatible Multi-Channel | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.5.2 | MPEG-2 Backward Compatible Multi-Channel Layer II | ISO/IEC 13818-3 | MPEG-2 Backward Compatible Multi-Channel | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 9.5.3 | MPEG-2 Backward Compatible Multi-Channel Layer III | ISO/IEC 13818-3 | MPEG-2 Backward Compatible Multi-Channel | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10 | MPEG-4 Audio | MPEG-4 Audio Coding Format according to ISO/IEC 14496-3 | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.1 | MPEG-4 Audio Synthetic Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.1.1 | MPEG-4 Audio Synthetic Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Audio Synthetic Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.1.2 | MPEG-4 Audio Synthetic Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Audio Synthetic Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.1.3 | MPEG-4 Audio Synthetic Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Audio Synthetic Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.2 | MPEG-4 Audio Speech Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.2.1 | MPEG-4 Audio Speech Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Audio Speech Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.2.2 | MPEG-4 Audio Speech Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Audio Speech Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.3 | MPEG-4 Audio Scalable Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.3.1 | MPEG-4 Audio Scalable Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Audio Scalable Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.3.2 | MPEG-4 Audio Scalable Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Audio Scalable Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.3.3 | MPEG-4 Audio Scalable Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Audio Scalable Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.3.4 | MPEG-4 Audio Scalable Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 Audio Scalable Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.4 | MPEG-4 Main Audio Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.4.1 | MPEG-4 Main Audio Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Main Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.4.2 | MPEG-4 Main Audio Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Main Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.4.3 | MPEG-4 Main Audio Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Main Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.4.4 | MPEG-4 Main Audio Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 Main Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5 | MPEG-4 High Quality Audio Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.1 | MPEG-4 High Quality Audio Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.2 | MPEG-4 High Quality Audio Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.3 | MPEG-4 High Quality Audio Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.4 | MPEG-4 High Quality Audio Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.5 | MPEG-4 High Quality Audio Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.6 | MPEG-4 High Quality Audio Profile @ Level 6 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.7 | MPEG-4 High Quality Audio Profile @ Level 7 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.5.8 | MPEG-4 High Quality Audio Profile @ Level 8 | ISO/IEC 14496-3 | MPEG-4 High Quality Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6 | MPEG-4 Low Delay Audio Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.1 | MPEG-4 Low Delay Audio Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.2 | MPEG-4 Low Delay Audio Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.3 | MPEG-4 Low Delay Audio Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.4 | MPEG-4 Low Delay Audio Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.5 | MPEG-4 Low Delay Audio Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.6 | MPEG-4 Low Delay Audio Profile @ Level 6 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.7 | MPEG-4 Low Delay Audio Profile @ Level 7 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.6.8 | MPEG-4 Low Delay Audio Profile @ Level 8 | ISO/IEC 14496-3 | MPEG-4 Low Delay Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.7 | MPEG-4 Natural Audio Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.7.1 | MPEG-4 Natural Audio Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Natural Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.7.2 | MPEG-4 Natural Audio Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Natural Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.7.3 | MPEG-4 Natural Audio Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Natural Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.7.4 | MPEG-4 Natural Audio Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 Natural Audio Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8 | MPEG-4 Mobile Audio Internetworking Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.1 | MPEG-4 Mobile Audio Internetworking Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.2 | MPEG-4 Mobile Audio Internetworking Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.3 | MPEG-4 Mobile Audio Internetworking Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.4 | MPEG-4 Mobile Audio Internetworking Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.5 | MPEG-4 Mobile Audio Internetworking Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.8.6 | MPEG-4 Mobile Audio Internetworking Profile @ Level 6 | ISO/IEC 14496-3 | MPEG-4 Mobile Audio Internetworking Profile | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9 | MPEG-4 AAC Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9.1 | MPEG-4 AAC Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9.2 | MPEG-4 AAC Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9.3 | MPEG-4 AAC Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9.4 | MPEG-4 AAC Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.9.5 | MPEG-4 AAC Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10 | MPEG-4 High Efficiency AAC Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10.0 | MPEG-4 High Efficiency AAC Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 High Efficiency AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10.1 | MPEG-4 High Efficiency AAC Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 High Efficiency AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10.2 | MPEG-4 High Efficiency AAC Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 High Efficiency AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10.3 | MPEG-4 High Efficiency AAC Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 High Efficiency AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.10.5 | MPEG-4 High Efficiency AAC Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 High Efficiency AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11 | MPEG-4 High Efficency AAC v2 Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11.0 | MPEG-4 High Efficency AAC v2 Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 High Efficency AAC v2 Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11.1 | MPEG-4 High Efficency AAC v2 Profile @ Level 2 | ISO/IEC 14496-3 | MPEG-4 High Efficency AAC v2 Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11.2 | MPEG-4 High Efficency AAC v2 Profile @ Level 3 | ISO/IEC 14496-3 | MPEG-4 High Efficency AAC v2 Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11.3 | MPEG-4 High Efficency AAC v2 Profile @ Level 4 | ISO/IEC 14496-3 | MPEG-4 High Efficency AAC v2 Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.11.4 | MPEG-4 High Efficency AAC v2 Profile @ Level 5 | ISO/IEC 14496-3 | MPEG-4 High Efficency AAC v2 Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.12 | MPEG-4 Low Delay AAC Profile | ISO/IEC 14496-3 | MPEG-4 Audio | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 10.12.1 | MPEG-4 Low Delay AAC Profile @ Level 1 | ISO/IEC 14496-3 | MPEG-4 Low Delay AAC Profile | 2009-02-25 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 11 | Linear PCM | Linear Pulse Code Modulation | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 12 | AMR | Advanced Multi Rate | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 12.1 | AMR-WB+ | Advanced Multi Rate - ETSI TS 126 290 Extended AMR Wideband codec | AMR | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 13 | NICAM | Near Instantaneuous Companded Audio Multiplex. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 14 | Real Audio | Compression is made using RealNetworks audio compression algorithm. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 14.1 | Real Audio - Lossless | Real Networks’ lossless format | Real Audio | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 15 | None | No compression is applied | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 16 | Unspecified | A compression is applied but the type is unspecified | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 17 | Unspecified lossless | A lossless compression is applied. Other details are unspecified. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 18 | Unspecified lossy | A lossy compression is applied. Other details are unspecified. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 19 | Windows Media Audio (Wma) | Variable Bit Rate (VBR), Constant Bit Rate (CBR) and lossless audio encoding. Compression is based on the Modified discrete cosine transform. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 19.1 | WM9-lossless | Windows Media Audio 9 Lossless is a lossless incarnation of Windows Media Audio | Windows Media Audio (Wma) | 2013-01-07 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 20 | ALAC | Apple Lossless Audio Codec. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 21 | DSD | Direct Stream Digital. | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 21.1 | DST | Direct Stream Transfer. | DSD | 2010-08-03 |
| Term ID | Term Name | Definition | Broader | Release Date |
| 21 | DST | Direct Stream Transfer. | 2013-01-07 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 22 | FLAC | Free Lossless Audio Codec | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 23 | LPAC | Lossless Predictive Audio Compression | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 24 | LTAC | Lossless transform Audio Compression | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 25 | MLP | Meridian Lossless Packing | 2013-01-07 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 25 | QCELP | Qualcomm Code Excited Linear Prediction | 2019-06-24 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 26 | Vorbis | Ogg Vorbis | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 27 | WM9-lossless | Windows Media Audio 9 Lossless is a lossless incarnation of Windows Media Audio | 2013-01-07 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 28 | WAV | Waveform Audio File format | 2010-08-03 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 29 | Ambisonic | A series of recording and replay techniques using multichannel mixing technology that can be used live or in the studio. | 2013-01-07 | |
| Term ID | Term Name | Definition | Broader | Release Date |
| 30 | QCELP | Qualcomm Code Excited Linear Prediction | 2019-06-24 |