End-to-end latency is the summation of all the individual latencies of the components in the ALS signal chain that occur from source to user. This includes microphones, sound system or audio-visual equipment, Auracast transmission, smartphones or receivers, and hearing instruments. The total end-to-end latency must be acceptable for ALS users; as a rule of thumb (and this is currently under review), it should be less than ~30-40ms.
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