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Overcompression might not be noticeable when reviewing digitized video, but audio artifacts can be just as unpleasant as video artifacts - in some cases, more disruptive for viewers. Avoid using MP3 or other “lossy” formats if you’re digitizing for archival purposes or for potential rebroadcasts. The best practice is to use a lossless format (such as WAV, or if storage space is a consideration, FLAC). One common digitization mistake: Focusing on the fidelity of the video while ignoring audio fidelity. Related: Betacam to Digital Conversion: Planning Your Project When digitizing Betacam cassettes, don’t forget to optimize audio quality.

Channel 4 – Music and sound effects stem.ĭifferent applications may allocate DigiBeta audio tracks in other ways, but this is the most consistent allocation format.

Channel 3 – Live-recorded vocals (or vocal stem).

The typical layout for DigiBeta audio channels is:

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Technically, producers can allocate DigiBeta audio channels in any way that they’d like - but in professional productions, consistent allocation is important. How are DigitBeta audio channels allocated? įor standard Betacam, dialogue usually appears on Track 1, while Track 2 has music, sound effects, and other cues. Read more about converting Betacam SP to digital formats. In DigiBeta, a fifth analog audio track can be used for cueing.įor Betacam SP, the FM channels are recorded with video, while Channel 1 and Channel 2 can be recorded separately.

Digital Betacam (DigiBeta) and Betacam SX – 4 independent audio channels.

Betacam SP – 2 linear audio channels and 2 Audio Frequency Modulation (AFM) audio channels (Channels 3 and 4).

Linear audio is time dependent, which means that editing must occur in sequence (during the playback of the tape).

Standard Betacam – 2 linear audio channels.

Here’s an overview of the audio channels of different BetaCam formats: If you’re converting Betacam cassettes to digital formats, you may need to remove audio, particularly if you’re working with broadcast media with musical cues or sound effects.