A sound envelope is defined by attack, body, transients, and decay

Evidence

The principal characteristics of a sound envelope are the attack, the body, the transients (or internal changes) and the decay. When the body of the sound is prolonged and unchanging, it is reproduced by the graphic level recorder as an extended horizontal line. — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 269

Categorization

• DEFINE: Core vocabulary for recording and analyzing sounds in the field.
• corroborated: 2 independent passages support this claim — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 269
• XREF: connects to: A sound object is analyzable into attack, body, and decay — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 442; Instrument sound envelopes are described by attack, decay, sustain, and release phases

Broader Connections

• A sound object is analyzable into attack, body, and decay #expands (0.85) — Schafer, Murray R, The Soundscape- Our Sonic Environment…, 442