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ETSI ETR 305
- Digital cellular telecommunications system; Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.55)
- standard by European Telecommunications Standards Institute, 08/01/1996
- Publisher: ETSI
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This report gives background information on the performance of the GSM enhanced full rate speech codec. Experimental results from the Pre-selection and Verification tests carried out during the standardization process by the SEG (Speech Expert Group) are reported to give a more detailed picture of the behaviour of the GSM enhanced full rate speech codec under different conditions of operation.