![]() ![]() For example, smaller bit rates will result in smaller, streaming-friendly files which will be transmitted faster and more efficiently but may include audible artifacts, or unwanted sounds in your recording, that can’t be removed at the decoding or playback stage. Each of these settings can impact the overall quality of your audio if they are not carefully selected. When compressing your audio file, pay attention to the sample rate, number of channels, and bit rate. When choosing AAC, we recommend using the MP4 format over the ADTS format because MP4 allows for the most-efficient streaming usage and accurate seeking. For RSS feeds, we strongly recommend using AAC instead of MP3. To distribute a podcast that can be easily streamed without straining listeners’ bandwidth, your audio content should be encoded or compressed in a format that results in the smallest file size possible. There are several different types of audio formats to choose from when creating your podcast. Number of channelsīest practices for audio on Apple Podcasts For the same bit rate, AAC will result in better audio quality. These bit rates apply to both the AAC and MP3 formats. The table below summarizes the recommended bit rate ranges from the most commonly used sample rates and channel configurations. Sampling rate: 44.1, 48, 88.2, 96, 176.4, or 192 kHzįor RSS feeds, Apple Podcasts accepts MP3 or AAC formats. MP3īoth mono and stereo sources are accepted for MP3. Single-channel audio will not be accepted for WAV or FLAC files.įor more information on FLAC, reference the qualified CODEC. Where a stereo source is not available, as may be the case with certain vintage or field recordings, send the audio source with two identical channels for left and right. If a stereo audio source exists, it must be used. ![]() Requirements for subscriber audio in Apple Podcasts ConnectĪpple Podcasts Connect accepts WAV, FLAC, or MP3 audio formatted according to the specifications below. Follow these guidelines to help create a high-quality, distortion-free listening experience using the smallest files sizes possible. Apple strives to create the best experience in Apple Podcasts for your listeners and subscribers. ![]()
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