ST 2035:2009 - SMPTE Standard - Audio Channel Assignments for Digital Television Recorders (DTRs)

This Standard specifies the allocation of audio channels to the audio tracks of a digital television recorder for purposes of identification, program distribution and interchange. These allocations are depicted as track layout “cases” in Table 1, such that a track layout may be uniquely specified by stating the case number and letter referenced in Table 1 of this standard. The specifications below are suitable for use in applications such as program delivery specifications. — In cases where there is a one to one correspondence between the audio tracks and the AES3 input and output connections, this Standard specifies the allocation of the audio signals within the AES3 I/O signal pairs to the audio tracks, depending on the operating mode of the AES3 I/O as indicated by its Channel Status data. This allocation also applies when AES3 I/O is via embedded audio as specified in SMPTE 272M and SMPTE 299. — This standard covers practices that have evolved in both the entertainment and news / sports environments.