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<a href=" https://wiki.asterisk.org/wiki/display/~mdavenport " style="color:#326ca6;text-decoration:none;; color: #326ca6; text-decoration: none">Malcolm Davenport</a> edited the page:
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<td valign="top" style="font-size: 13px"> <h2 id="email-title-heading" style="font-size: 16px; line-height: 20px; min-height: 20px; margin: 0; padding: 0"> <a href="https://wiki.asterisk.org/wiki/display/AST/Exploring+Sound+Prompts" style="color: #326ca6; text-decoration: none"> <img class="icon" src="cid:page-icon" alt="" style="border: 0; padding: 0 5px 0 0; text-align: left; vertical-align: middle" /> <strong style="font-size:16px;line-height:20px;vertical-align:top;">Exploring Sound Prompts</strong> </a> </h2> </td>
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<p class="diff-context-placeholder" style="font-size: 13px">...</p>
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<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;; font-size: 13px"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://wiki.asterisk.org/wiki/s/en_GB-1988229788/4252/6ac85e9b14675c5514a674e1aecae99c9505ed36.48/_/images/icons/macrobrowser/dropdown/tip.png" style="padding-right: 5px; vertical-align: text-bottom;" /> </span>Tip</th>
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<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; font-size: 13px">Sound Prompt Formats</td>
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<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; font-size: 13px"> <p style="font-size: 13px">Sound prompts come in a variety of file formats, such as <strong>.wav</strong> and <strong>.ulaw</strong> files. When asked to play a sound prompt from disk, Asterisk plays the sound prompt with the file format that can most easily be converted to the CODEC of the current call. For example, if the inbound call is using the <strong>alaw</strong> CODEC and the sound prompt is available in <strong>.gsm</strong> and <strong>.ulaw</strong> format, Asterisk will play the <strong>.ulaw</strong> file because it requires fewer CPU cycles to transcode to the <strong>alaw</strong> CODEC.<br /> You can type the command <strong>core show translation</strong> at the Asterisk CLI to see the transcoding times for various CODECs. The times reported (in Asterisk 1.6.0 and later releases) are the number of microseconds it takes Asterisk to transcode one second worth of audio. These times are calculated when Asterisk loads the codec modules, and often vary slightly from machine to machine. To perform a current calculation of translation times, you can type the command <strong>core show translation recalc 60</strong>.</p> </td>
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<p class="diff-block-target diff-block-context" style="font-size: 13px"> <strong><span class="diff-html-removed" id="removed-diff-0" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">How Asterisk Searches for Sound Prompts Based on Channel Language</span></strong> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Each channel in Asterisk can be assigned a language by the channel driver. The channel's language code is split, piece by piece (separated by underscores), and used to build paths to look for sound prompts. Asterisk then uses the first file that is found.</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">This means that if we set the language to en_GB_female_BT, for example, Asterisk would search for files in:</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.../sounds/en/GB/female/BT</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.../sounds/en/GB/female</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.../sounds/en/GB</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.../sounds/en</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">.../sounds</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">This scheme makes it easy to add new sound prompts for various language variants, while falling back to a more general prompt if there is no prompt recorded in the more specific variant.</span> </p>
<p class="diff-block-target diff-block-context" style="font-size: 13px"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> </p>
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<td class="left" valign="top" style="font-size: 13px; padding-top: 8px; max-width: 45%; text-align: left"> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/display/AST/Exploring+Sound+Prompts" style="color: #326ca6; text-decoration: none">View Online</a> </span> <span class="email-list-divider" style="color: #505050; padding: 0 0.350em">·</span> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/plugins/likes/like.action?contentId=4817435" style="color: #326ca6; text-decoration: none">Like</a> </span> <span class="email-list-divider" style="color: #505050; padding: 0 0.350em">·</span> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/pages/diffpagesbyversion.action?pageId=4817435&revisedVersion=10&originalVersion=9" style="color: #326ca6; text-decoration: none">View Changes</a> </span> <span class="email-list-divider" style="color: #505050; padding: 0 0.350em">·</span> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/display/AST/Exploring+Sound+Prompts?showComments=true&showCommentArea=true#addcomment" style="color: #326ca6; text-decoration: none">Add Comment</a> </span> </td>
<td class="right" width="50%" valign="top" style="font-size: 13px; padding-top: 8px; text-align: right"> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/users/removespacenotification.action?spaceKey=AST" style="color: #326ca6; text-decoration: none">Stop watching space</a> </span> <span class="email-list-divider" style="color: #505050; padding: 0 0.350em">·</span> <span class="email-list-item"><a href="https://wiki.asterisk.org/wiki/users/editmyemailsettings.action" style="color: #326ca6; text-decoration: none">Manage Notifications</a> </span> </td>
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<td id="email-footer" align="center" style="font-size: 13px; padding: 0 16px 32px 16px; margin: 0"> <small style="font-size: 11px"> This message was sent by <a class="email-footer-link" style="color:#505050;font-size:11px;text-decoration:none;; color: #326ca6; text-decoration: none; color: #505050; font-size: 11px" href="http://www.atlassian.com/software/confluence">Atlassian Confluence</a> 5.1.5, <a class="email-footer-link" style="color:#505050;font-size:11px;text-decoration:none;; color: #326ca6; text-decoration: none; color: #505050; font-size: 11px" href="http://www.atlassian.com/software/confluence/overview/team-collaboration-software?utm_source=email-footer">Team Collaboration Software</a> </small> </td>
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