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Multichannel Monitoring Tutorial Booklet (M2TB) rev. 3.5.2

Masataka Nakahara : SONA Corporation

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Examples of lossy (irreversible) compression formats

Media CH Compression fs [Hz] Qb [bit] Bitrate [bps]

Dynamic

range [dB]

Dolby AC-3 44.1k 16 320k -

APT-X100 (DTS)44.1k 16 882k -

Film 5.1ch

ATRAC (SDDS) 44.1k 16 2.4M* -

1 - 5.1ch Dolby AC-3 48k 16, 20, 24

224k**, 256k**,

320k**, 384k**,

448k**

DVD-Video

(1 - 7.1ch) DTS coherent acoustic 48k, 96k 16, 20, 24

754.5k**,

1.50975M**

MPEG-2 AAC 32k, 44.1k, 144 - 256k (2ch)

Digital broadcast

(Japan)

1 - 5.1ch

( LC profile) 48k, (96k)

More than 16

320k - 384k (Multi)

* 8 channels (L, LC, C, RC, R, LS, RS, LFE) + backup (Lmix, Rmix, C', LFE')

* 5.1ch or more channel

•SDDS (film, ATRAC) allows 7.1 ch (8 ch) which adds LC (between L and C) and RC (between R and

C) to 5.1 ch.

•Mandatory audio signals for DVD-Video: LPCM signal or Dolby Digital (AC-3) signal (MPEG signal

is also required in TV system 625/50 regions). DVD-Video players must have Dolby Digital (AC-3)

playback capability.

•Optional audio signals for DVD-Video: DTS, MPEG, SDDS

[Table 3-2] Examples of lossy compression formats

Examples of lossless (reversible) compression formats

Media CH Compression fs [Hz] Qb [bit] Bitrate [bps]

Dynamic range

[dB]

PPCM 44.1k, 88.2k, 176.4k*

DVD-Audio 1 - 5.1(6)ch

(Packed PCM, MLP) 48k, 96k, 192k*

16, 20, 24 Max 9.6M Max 144dB

DST

Super Audio CD 2 - 5.1(6)ch

(Direct Stream Transfer)

2.8224M 1 Max 14.99136M

More than

120dB **

*Only one or two channels at fs=176k or 192 k

Va l ue in the audible bandwidth. Includes the effect of noise shaping from

Delta-Sigma modulation.

•Super Audio CD requires that a two-channel source be stored (discs containing only a multi-channel

source are not allowed).

•DVD-Audio allows either of two methods; storing both a two-channel source and a multi-channel

source, or storing only a multi-channel source together with downmixing coefficients provided as

meta-data.

[Table 3-3] Examples of lossless compression formats