Subparts
MPEG-4 Part 3 contains following subparts:
- Subpart 1: Main (list of Audio Object Types, Profiles, Levels, interface to ISO/IEC 14496-1, MPEG-4 Audio transport stream, etc.)
- Subpart 2: Speech coding - HVXC (Harmonic Vector eXcitation Coding)
- Subpart 3: Speech coding - CELP (Code Excited Linear Prediction)
- Subpart 4: General Audio Coding (GA) (Time/Frequency Coding) - AAC, TwinVQ, BSAC
- Subpart 5: Structured Audio (SA)
- Subpart 6: Text to Speech Interface (TTSI)
- Subpart 7: Parametric Audio Coding - HILN (Harmonic and Individual Line plus Noise)
- Subpart 8: Technical description of parametric coding for high quality audio (SSC, Parametric Stereo)
- Subpart 9: MPEG-1/MPEG-2 Audio in MPEG-4
- Subpart 10: Technical description of lossless coding of oversampled audio (MPEG-4 DST - Direct Stream Transfer)
- Subpart 11: Audio Lossless Coding (ALS)
- Subpart 12: Scalable Lossless Coding (SLS)
Read more about this topic: MPEG-4 Part 3
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