Learn about the sound capabilities of the iBook computers.
The iBook has compact disc quality stereo audio circuitry. The sound system supports a sample rate of 44.1 kHz and sample sizes up to 16 bits.
The iBook has one built-in mono speaker located between the keyboard and the display on the left-hand side. All white iBook G3 and iBook G4 computers have two stereo speakers. The computer turns off the sound signal to the speakers when headphones are connected to the headphone or audio jack.
The sound out port is a 16 bit stereo mini-jack located on the left side of the computer at the left palm rest. The headphone jack is configured to drive a pair of low-impedance stereo headphones. External powered speakers may also be connected to the headphone jack. Using this port or the USB port, one can connect two speakers for stereo sound.
The iBook does not have a microphone or sound input jack. The USB port does support a USB microphone to allow for sound input into the iBook.
All white iBook G3 and iBook G4 computers have a built-in microphone.
You can attach USB speakers to get stereo sound. Also you can attach a USB microphone for sound in.
The function keys on the keyboard can be used to increase, decrease and mute the sound.
The internal modem will send the handshaking audio to the sound system so the user can hear the status of a dial-up modem connection. The level of handshaking audio is fixed. The handshaking audio is mixed into the sound output stream.
Digital audio signals from the optical drives are sent to the speaker and the headphone jack.