User Manual

Table Of Contents
AUDIO BASICS
70
Audio settings
Sample rate and resolution are properties of digital audio which determine the quality of the sound. Generally, higher
sample rate and resolution result in better audio quality (but also larger audio files and higher demands on computer
performance and audio hardware). The table below shows some common sample rate/resolution combinations:
To cater for all different situations, Record supports multiple sample rates and resolutions.
Sample Rate settings for recording and playback
Record handles all internal audio processing in 32-bit floating point resolution, with 64-bit summing in the mix bus in
the Main Mixer Master Section. However, the resolution of the input and output audio is determined by the hardware
audio interface. That is, if you have a 24-bit audio card, Record will record and output audio in 24-bit resolution, and
if you have a 20-bit audio card, audio will be recorded and played back in 20-bit resolution.
The recording and playback sample rate can be specified on the Audio tab in the Preferences dialog (accessed from
the Edit menu (Win) or Record menu (Mac)):
D Select the desired sample rate from the drop-down menu.
Note that the available options on this pop-up menu depend on which sample rates are supported by the audio
hardware.
! Record supports multiple sample rates in the same song!
Record allows import (or recording) of audio of any sample rate. If the original sample rate of a recording is differ-
ent than the rate currently set for the audio card, Record will automatically do a sample rate conversion.
First, a real-time sample rate conversion algorithm is used (allowing the audio to be played back immediately).
Meanwhile, in the background, the program calculates a sample rate conversion of the highest quality, which will
be used as soon as it is calculated. The CALC progress indicator on the transport panel lights up whenever the
program is doing high quality calculations in the background:
The CALC progress indicator on the Transport Panel appears when Record performs high quality audio calculation
|
Sample rate:
|
Resolution:
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Comment:
44.1 kHz 16 bit This is the format used on standard audio CDs.
44.1 kHz –
192 kHz
24 bit These are formats used in professional studios and high-end recording
equipment.