Recordable IC

• No software required
• Needs microphone
• Recorded sound can have ambient noise
• Sound volume can be low
• Can change content on the fly
• Playback as recorded
• Can be recorded multiple times
• Line-in recording (APR33Ax)

OTP

• Needs programming tools and software
• Needs pre-recorded files
• Sound files can be pre-edited for better quality
• Sound volume can be adjusted in the sound file
• Sound must be pre-recorded
• Sound can be groupped to generate more output
• Can only be programmed once (OTP) or
  multiple time (MTP) with pre-recorded file
• In-circuit programming (AMTP32M)

See also K-IVR, AMTPxxx, Recordable