- From: Wysebee Inc. <zxu@wysebee.com>
- Date: Mon, 12 May 2025 15:37:34 -0400
- To: "Ciporen, Laura" <laura.ciporen@mheducation.com>
- Cc: "public-publishingcg@w3.org" <public-publishingcg@w3.org>
- Message-ID: <93cbeecd-c543-40e2-bf67-a66cb9203025@wysebee.com>
oh, it might be confusing. I meant, based on the screenshot I shared previously it's allowed by host Audio resources outside the EPUB container. But considering ereader or offline reading expectation the end user might has problem with loading mp3 from internet including streaming. It also has dependency on how actually the reading platform implement it (or allow this to happen). On 2025-05-12 15:34, Wysebee Inc. wrote: > > Hi Laura > > > Here is the spec https://www.w3.org/TR/epub-33/#sec-resource-locations > > > > For naming of audio player to let voice control say "Play X" would > require custom playback button with proper a11y label. > > > Hope it could help. > > > Cheers, > > Jeff > > > On 2025-05-12 15:13, Ciporen, Laura wrote: >> >> Thank you so much for your reply, Jeff. >> >> Do you have a link to the specific spec that you are referring to? >> >> We aren’t running into problems with epubchecker, we are just not >> sure whether the concerns over requiring internet access override the >> concerns about file size or vice versa. Or, I suppose, if there is no >> real best practice on this and it’s just up to the creators of ePubs >> to decide for themselves which concern is most important. And we’re >> also wondering if there are specs around naming instances of the >> audio player. >> >> For example: >> >> * You have 10 different vocabulary words on a page and each one has >> an audio file where you can listen to how to pronounce the word. >> * Someone using voice control should be able to say “Play X” to >> have the correct audio play. But the play buttons aren’t going to >> visibly say anything besides “play” so I’m looking for whether >> there are best practices that would allow the voice control user >> to easily know what to say to play a specific audio file. >> >> -Laura >> >> *McGraw-Hill logo.* <http://www.mheducation.com/>** >> >> *Laura Ciporen, CPACC* >> >> Digital Content Accessibility Manager >> >> McGraw-Hill | Higher Education >> >> 1325 Avenue of the Americas, 8th Floor, New York, NY 10019 >> >> P: 646-766-2269 >> >> laura.ciporen@mheducation.com <mailto:laura.ciporen@mheducation.com>__ >> >> mheducation.com <http://mheducation.com/> >> >> JAWS Certified 2015 logo Freedom ScientificCertified Professional in >> Accessibility Core Competencies from IAAP (CPACC) >> <https://www.accessibilityassociation.org/cpacccertification> >> >> *From:*Wysebee Inc. <zxu@wysebee.com> >> *Sent:* Monday, May 12, 2025 2:04 PM >> *To:* Ciporen, Laura <laura.ciporen@mheducation.com> >> *Cc:* public-publishingcg@w3.org >> *Subject:* Re: Best practice for mp3s in ePubs? >> >> **** **EXTERNAL EMAIL: **If sender is unknown, use caution when >> opening. **** >> >> Hi Laura >> >> 1. I believe based on current spec the mp3 files needed to be >> embedded in epub file. >> >> 2. I have not found any existing standard code for a default player. >> A very basic player should be the html mp3 player. I can help with >> creating some example (please feel free to reach out if need any help >> with creating example and testing) >> >> 3. I think basically need to pass epubcheck - the epub validation tool. >> >> 4. Might need a bit more details on the use case. >> >> Cheers, >> >> Jeff >> >> On 2025-05-12 13:23, Ciporen, Laura wrote: >> >> Hello, all. >> >> I am wondering if there is an accepted best practice for >> including mp3s in ePubs? >> >> 1. Which is best? >> >> 1. Streaming (which requires users to be online) >> 2. Packaging the files with the ePub (which greatly >> increases the file size) >> >> 2. Is there standard code for default players for mp3s in ePubs? >> >> 1. For a short player for tiny clips which would only have a >> single play/pause button. >> 2. Different code for a more complex player for longer audio >> which might also have ff, rewind, scrubbing, etc. >> >> 3. If not, are there particular controls that need to be >> included or avoided? >> 4. Either way, if there are multiple audio files on the same >> page (or in the ePub as a whole) is there a best practice for >> identifying each distinctly (primarily to support voice >> control users being able to easily indicate which audio they >> want to play). >> 5. Are there any other best practice considerations about >> including mp3s in ePubs? >> >> 1. (Besides the fact that there should be a text version of >> the content unless the entire point of an audio is to >> test someone’s ability to interpret the audio.) >> >> Thank you ever so much! >> >> -Laura >> >> *McGraw-Hill logo.* <http://www.mheducation.com/> >> >> *Laura Ciporen, CPACC* >> >> Digital Content Accessibility Manager >> >> McGraw-Hill | Higher Education >> >> 1325 Avenue of the Americas, 8th Floor, New York, NY 10019 >> >> P: 646-766-2269 >> >> laura.ciporen@mheducation.com <mailto:laura.ciporen@mheducation.com> >> >> mheducation.com <http://mheducation.com/> >> >> JAWS Certified 2015 logo Freedom ScientificCertified Professional >> in Accessibility Core Competencies from IAAP (CPACC) >> <https://www.accessibilityassociation.org/cpacccertification> >> >> The information contained in this message may be confidential >> and/or constitute a privileged attorney-client document. If the >> reader of this message is not the intended recipient, or an >> employee or agent responsible for delivering this message to the >> intended recipient, you are hereby notified that any >> dissemination, distribution or copying of this communication is >> strictly prohibited. If you have received this communication in >> error, please notify McGraw Hill immediately by replying to the >> message and deleting it from your computer. Thank you. >> >> -- >> >> Jeff Xu >> >> Chief Executive Officer >> >> Wysebee Inc. >> >> Logo of Wysebee >> >> The information contained in this message may be confidential and/or >> constitute a privileged attorney-client document. If the reader of >> this message is not the intended recipient, or an employee or agent >> responsible for delivering this message to the intended recipient, >> you are hereby notified that any dissemination, distribution or >> copying of this communication is strictly prohibited. If you have >> received this communication in error, please notify McGraw Hill >> immediately by replying to the message and deleting it from your >> computer. Thank you. > -- > > > Jeff Xu > > Chief Executive Officer > > Wysebee Inc. > > Logo of Wysebee -- Jeff Xu Chief Executive Officer Wysebee Inc. Logo of Wysebee
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