Archived:Background noise while streaming zero-filled buffers (Known Issue)

Article Metadata

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Compatibility

Platform(s): S60 2nd Edition and FP1, FP2, FP3
S60 3rd Edition and FP1

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Article

Created: User:Technical writer 1 (21 May 2007)

Last edited: hamishwillee (16 Mar 2012)

Archived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

Description

In some S60 devices the level of background noise may be disturbing when using an audio output stream to play back silence; that is, when the stream is fed with zero-filled buffers.

Solution

Applications should not implement a 'mute' functionality by streaming zero-filled  buffers. Instead, the output stream should either be stopped or its volume level should be set to 0.
Note that adjusting the volume is a significantly faster operation than stopping/ restarting the stream.