Information Technology - Coding of Audio-Visual Objects - Part 4: Conformance Testing - Amendment 22: AudioBIFS v3 Conformance (Adopted Amendment 22:2008 to ISO/IEC 14496-4:2004)
Edition 2009

Information Technology - Coding of Audio-Visual Objects - Part 4: Conformance Testing - Amendment 23: Synthesized Texture Conformance (Adopted Amendment 23:2008 to ISO/IEC 14496-4:2004)
Edition 2009

Information Technology - Coding of Audio-Visual Objects - Part 4: Conformance Testing - Amendment 24: File Format Conformance (Adopted Amendment 24:2008 to ISO/IEC 14496-4:2004)
Edition 2009

Information Technology - Coding of Audio-Visual Objects - Part 4: Conformance Testing - Amendment 25: LASer and SAF Conformance (Adopted Amendment 25:2008 to ISO/IEC 14496-4:2004)
Edition 2009

Information Technology - Coding of Audio-Visual Objects - Part 4: Conformance Testing - Amendment 26: Conformance Levels and Bitstreams for Open Font Format (Adopted Amendment 26:2008 to ISO/IEC 14496-4:2004)
Edition 2009

Information Technology - Coding of Audio-Visual Objects - Part 5: Reference Software
Edition 2006-12-01

Information Technology - Coding of Audio-Visual Objects - Part 5: Reference Software - Amendment 27: Scalable complexity 3D mesh coding reference software (Adopted Amendment 27:2011 to ISO/IEC 14496-5:2001)
Edition 2012

Information Technology - Coding of Audio-Visual Objects - Part 5: Reference Software - Amendment 28: Reference software for LASeR adaptation tools (Adopted Amendment 28:2011 to ISO/IEC 14496-5:2001)
Edition 2012

Information technology - Coding of audio-visual objects - Part 5: Reference software - Amendment 29: Reference software for LASeR presentation and modification of structured information (PMSI) tools (Adopted amendment 29:2011 to ISO/IEC 14496-5:2001)
Edition 2013

Information technology - Coding of audio-visual objects - Part 5: Reference software - Amendment 30: ExtendedCore2D reference software (Adopted amendment 30:2011 to ISO/IEC 14496-5:2001)
Edition 2013