Yamaha SU700 - Manual (Page 151)

Chapter 5 Samples and Sampling 151
CHAPTER
5
Sampling Parameters
SU700 samples are characterized by three parameters: sampling frequency, bit reso-
lution, and format (stereo or monaural). If you are recording a sample from an ana-
log source, you can set values for each of these parameters. If you are recording a
digital signal, the values are fixed at time of recording (in accordance with the source
signal) but can be changed later using the SAMPLE | PROCESS jobs (
→
p.262).
● Sampling Frequency
The rate at which digital readings are taken is referred to as the sampling rate or
sampling frequency. A conventional audio CD uses a sampling frequency of 44.1kHz
(44,100 readings per second). The SU700 supports frequencies of 44.1, 22.05, and
11.025 kHz frequencies. Note that higher frequencies produce higher-fidelity sound
reproduction, but also consume a greater quantity of sampling memory.
Actual Wave Recorded at High Freq Recorded at Low Freq
● Bit Resolution
The precision of each reading is restricted by the number of bits used to record the
value. A conventional audio CD uses 16 bits to store each value. The SU700 allows
you to choose a resolution of either 16 bits or 8 bits. Again, the higher resolution
provides higher-fidelity recording, while the lower resolution cuts memory con-
sumption in half.
● Stereo/Mono
The SU700 supports both stereo and monaural samples.
Sample Editing
You can use the various SAMPLE jobs to edit the samples that have recorded or im-
ported into the SU700. Editing capabilities are outlined below; for more detailed in-
formation, refer to the indicated pages.