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PDC Half Rate is a speech coding standard that was developed by ARIB in Japan and used in PDC mobile networks in Japan. It operates with a bit-rate of 3.45 kbit/s and is based on Pitch Synchronous Innovation CELP (PSI-CELP).
- ARIB RCR STD-27L, Personal Digital Cellular Telecommunication System RCR Standard 5.2 Half-rate speech CODEC
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