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Reference Information
Reference Information
EFR encoding decoder function
The J6GSM/DCSis equipped with the latest
encoding decoder and audio frequency technology,
to achieve superior audio quality.
At present, there are 3 types of encoding decoder
compatible with GSM/DCS:
Enhance full rate EFR
Full rate FR
Half rate HR
The J6 (GSM/DCS) mobile phone supports the
normally-used EFR and FR encoding decoder.
All GSM and DCS cellular networks and phones
support FR encoding decoder.
If supported by the network operator, the network
operator will automatically select the relevant
encoding decoder, which will be either EFR or FR.
The J6 model is programmed to automatically select
the EFR where this is supported by the network,
allowing you to enjoy the superior audio quality
provided by EFR. Otherwise the phone will select
FR.
At present, only some networks support both the FR
and EFR encoding decoder.
If the network operator cannot support EFR, the J6
(GSM/DCS) mobile phone will automatically adopt
the FR encoding decoder.
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