Larger file sizes negatively impact your file hosting costs, while lower bit rates can impact the quality of your recordings. Typical File Sizes from Bit Rate in mp3’sīelow is a list of typical recording bit rates and file sizes. Older versions of Flash media players (commonly found on older Web sites) cannot play VBR media filesĬan’t decide? Required: Constant Bit Rate.Sometimes this appears as a constantly changing value during the loading of the media file in the media player. Many players display the duration (total time in seconds) wrong for VBR media. Firefox browser can have issues playing VBR mp3 files. Streamed playback (playing within a web browser) complications. #MP3 NORMALIZER 64 BIT SOFTWARE#Some hardware and software may not play VBR media correctly, if at all.Variable (VBR) vs Constant (CBR) Bit Rate in mp3’sĪs noted above, never use a Variable Bit Rate (VBR) for podcasting. #MP3 NORMALIZER 64 BIT MANUAL#Refer to the software’s manual for recommendations, or experiment with different bit rates until you find the quality you desire.Ĭan’t decide? Recommendation: 128 kbps minimum (stereo) or 96 Kbps minimum (mono) Better quality encoders might provide better quality with lower bit rates. The values above are a guide and reflect the results using the popular open source Mp3 LAME encoder. This is a good starting point for recording in stereo. Record in mono to maximize the sound quality.ġ28Kbps – Compact disk (CD) quality, best for distributing recordings with music. Record in mono to maximize the sound quality.ĩ6Kbps – FM radio quality, best for talk with enough quality to play bumpers and music. See the list of minimum bit rates below as a guide.Ħ4Kbps – AM radio quality, best for talk only with the exception of speakers who have very soft or deep voices. For that reason, it is important to pick the bit rate that is appropriate for the content. For example, going from 64 to 128kbps will double the file size. The bit rate has a direct collaboration to the mp3’s file size, every increase to the bit rate will increase the size of the file.
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