Merge pull request #846 from AOMediaCodec/sunghee-hwang-patch-1

Fix #626, clarification on the meaning of discarding a sample

index.bs

@@ -529,7 +529,7 @@ For a given coded [=Audio Substream=],
 - If an [=Audio Frame OBU=] has its [=num_samples_to_trim_at_start=] field set to a non-zero value N, the decoder SHALL discard the first N audio samples.
 - If an [=Audio Frame OBU=] has its [=num_samples_to_trim_at_end=] field set to a non-zero value N, the decoder SHALL discard the last N audio samples.
 
-NOTE: Because of possible coding dependencies, discarding a sample can sometimes mean decoding the entire audio frame.
+NOTE: Because of possible coding dependencies, discarding a sample can sometimes mean still needing to decode the entire audio frame.
 
 - For a given [=Audio Frame OBU=], the sum of [=num_samples_to_trim_at_start=] and [=num_samples_to_trim_at_end=] SHALL be less than or equal to the number of samples in the [=Audio Frame OBU=] (i.e., [=num_samples_per_frame=]).