The beginning of a sound file is often the messiest part of the recording. If your recorder supports it, a sample rate of at least 48 kHz and a bit depth of 24 bits is also recommended. WAV, but consider switching for future recordings. WAV in the field, don't convert your files to. WAV sound files, be sure to upload them as. The eBird upload tool can handle large audio files-up to 250 MB in size-so if your original field recordings are. WAV is the standard audio format recommended by the Macaulay Library. We also recommend that you hold on to the final edited versions of your files for future reference.
The Macaulay Library recommends keeping two copies of your original sound files-for example, one on your computer and a second on an external hard drive-and using only one of these for editing and submitting to the archive. Therefore, it is extremely important to keep copies of your original field recordings that are not modified in any editing program. Many sound editing programs are "destructive," meaning that if you edit and save a sound file in the program, your original sound file is permanently changed. Sound analysis programs, such as Raven, should generally not be used for sound recording preparation since they are not built for editing sound files.ġ.
Links to step-by-step instructions for editing in three of these programs can be found at the bottom of the page. Note: These general guidelines are applicable to any sound editing program, but four popular editing programs are Adobe Audition, Ocenaudio, Audacity, and WavePad. Follow the steps below to prepare your sound recordings before uploading them to an eBird checklist. This means doing a minimal amount of editing to sound files. Solution home Macaulay Library Preparing and uploading media Audio preparation and upload guidelinesĪudio contributed to eBird and the Macaulay Library should be an accurate copy of an original field recording.
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