How to Upload a Book on Audible
Want To Make An Audiobook For Audible? Read This Offset
If you want to brand an audiobook that can be distributed on platforms like Audible, Amazon and iTunes then read this guide. It explains ACX and the requirements for submitting audio to their platform.
What Is ACX?
ACX, is the acronym for Amazon's Audiobooks Creation Substitution. This is the hub for creation of audio books that will appear on Audible, the Amazon owned audiobooks platform. Audiobooks uploaded to ACX will be sold on Audible, Amazon and Apple iTunes.
Aural began in 1995 and since inception has created an audio player, the Audible Role player, supplied audiobooks books to Apple for the iTunes Store and was eventually acquired by Amazon Inc. in 2008 for $300million.
How To Submit Audio Files To ACX
In club to get an sound book in the Aural shop yous need to first set upward an ACX business relationship and prepare a new project. Earlier whatever audio can exist uploaded yous will need to link an existing volume on the Amazon shop, this will exist the print/Kindle version of the book you will be submitting the audio version of.
ACX Requires Consistency
Amazon ACX say "Your submitted audiobook must be consistent in overall audio and formatting. Consistency in audio levels, tone, noise level, spacing, and pronunciation gives the listener an enjoyable experience. Drastic changes tin can be jarring to the listener and are not cogitating of a professional production. This distracts from the listening experience and may lead to poor reviews and reduced sales."
Choose A Adept Microphone
Expert audio starts at the source, in this instance a good quality voiceover microphone. There's never been a better time to purchase a high quality microphone for this purpose. There'due south some great options from brands like Sontronics and PreSonus, here are some resources.
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Sontronics Podcaster Pro review
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PreSonus Revelator review
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Voiceover microphone shoot out
Make clean All Sound Files
Whatever audio professional is going to have care to ensure that the audio is every bit pristine as possible, however to remove whatsoever doubt ACX expect the post-obit quality in all audio. "Each uploaded file must be free of inapplicable sounds such equally plosives, mic pops, mouse clicks, excessive mouth noise, and outtakes. Extraneous sounds tin can distract listeners from the story, and outtakes audio unprofessional. Each can elicit bad reviews and bad reviews can hurt sales."
There are several tools you can utilize to clean your audio;
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iZotope RX
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Accusonos ERA 5
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Accentize
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Klevgrand Brusfri
Your DAW also has powerful tools you can use such as the audio editor and the included plugins.
Each File Needs Credits
In addition to the text of the book sound files for credits need to be included in the files. This is what ACX say;
Your audiobook must include opening and endmost credits that match the title's cover art.
At minimum, the opening credits must note the proper name of the audiobook, the proper name of the author(s), and the name of the narrator(s). Closing credits must, at minimum, land "the terminate".
Opening Credits Minimum Requirements
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"[title of audiobook]"
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"(subtitle if applicable)"
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Written by [proper noun of author]
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Narrated by [proper name of narrator] Endmost Credits Minimum Requirements
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The End
Include An Audio Sample
ACX say "Your audiobook must include a retail audio sample that is between one and v minutes long. Explicit material is not permitted in the sample. This sample should showtime with narration, not opening credits or music. The sample must not include explicit cloth. This sample is used by customers to preview of your audiobook.'"
Upload The Audio In Sections
ACX require each section e.g. forrard, Chapter ane, Chapter ii etc. be uploaded as an individual file. In other words yous can't upload the unabridged volume in ane audio file, you must create, edit, mix and then upload each one.
ACX say; "Y'all'll be prompted to upload each file individually. Both the opening credits and endmost credits must be separate files. This ensures listeners can easily navigate betwixt sections, and that skipping frontwards or backwards moves them frontwards or dorsum one section."
Include Room Tone
Don't leap into record or end tape speedily equally ACX requires room tone. When editing you lot will demand to ensure this infinite is left at the front and stop of each sound recording. For those who edit dialogue all the time this will feel conflicting as we are used to editing every bit close to the audio as possible to reduce room racket. Not in this instance. "Each file must have 0.5 to one second of room tone at its beginning and 1 to 5 seconds of room tone at its end. This space is required to ensure titles are successfully encoded in the many formats fabricated available to customers. It also gives listeners an audio cue that they have reached the beginning or end of a section."
Include Audio Cues
When recording brand sure y'all audibly innovate the department yous are about to read.
"Each file must contain the section header, if contained within the manuscript (e.grand., "Prologue", "Chapter 1", "Chapter 2").
These announcements help the listener understand what section of the volume they are listening to without having to await at their player. If a section header is institute to be missing during the ACX QA review, you lot will be contacted to make revisions which could delay the release of your championship. Be consistent - a listener may call back content is missing if most headers are read but some are non ."
Audio Specification
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Each file must exist no longer than 120 minutes.
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Each file must measure between -23dB and -18dB RMS.
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Each file must have meridian values no higher than -3dB.
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Each file must have a noise flooring no college than -60dB RMS.
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Each file must be 192kbps or higher 44.1kHz MP3, Constant Fleck Rate (CBR).
ACX explain how the file volition be encoded before existence put on auction. "Before going on sale in the Audible store, titles are encoded in a multifariousness of formats that customers have the option of downloading. 192kbps (or higher), Constant Bit Rate MP3 files are required and so this encoding process works without mistake. You may upload 256kbps or 320kbps files if yous'd like, but the difference in quality heard by listeners will exist negligible."
Note that the ACX format uses RMS equally a perceived loudness measurement equally opposed to LUFS or LKFS. Audiobooks do not employ BS1770 loudness, they use RMS so make certain you can measure RMS. iZotope RX has this feature.
Don't Mix Channel Widths
ACX recommend mono files but will however accept stereo files, however, you must not mix formats, the entire volume must consist of all mono or all stereo. If yous try and upload both mono and stereo your files will be rejected.
You Must Use A Real Person
You might retrieve we are joking but ACX requires a human to read the transcript, text to speech etc. is not immune.
"Your submitted audiobook must exist narrated by a homo.
Text-to-speech recordings are not allowed. Audible listeners choose audiobooks for the performance of the cloth, likewise as the story. To come across that expectation, your audiobook must be recorded by a human."
How Tin I Exist Certain I Get This Right?
ACX has a handy audio analysis tool that checks each audio file as you upload it. If there are any issues it volition tell y'all and ask you lot to prepare them and to resubmit the audio.
Source: https://www.pro-tools-expert.com/production-expert-1/want-to-make-an-audiobook-for-audible
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