A high quality tape commonly used in television production and also in high budget productions. S tapes are available with up to 40 minutes running time, and L tapes with up to 124 minutes. The Digital Betacam format records a DCT-compressed component video signal at 10-bit YUV 4:2:2 sampling in NTSC (720×486) or PAL (720×576) resolutions at a bitrate of 90 Mbit/s plus four channels of uncompressed 48 kHz / 20 bit PCM-encoded audio. A fifth analog audio track is available for cueing, and a linear timecode track is also used on the tape. It is a popular digital video cassette format for broadcast use. Its main competitor is the Panasonic DVCPRO50 cassette format.