http://en.wikipedia.org/wiki/Sample_(signal) - vezi audio sampling.
Diferenta ar trebui sa fie (teoretic) foarte mare.
Dar, vezi ca este o greseala in intrebarea ta (sau este o intrebare-capcana
).
Tu vorbesti de o codare pe 16 biti dar una la 44.100 Hz si alta la 192.000 Hz.
Defapt, la 192.000 Hz se foloseste codificarea pe 24 de biti (DVD-Audio).
"...of digital audio encoding: 2-channel signed 16-bit PCM sampled at 44,100 Hz. This sample rate is adapted from that attained when recording digital audio on PAL videotape with a PCM adaptor, an earlier way of storing digital audio.
An audio CD can represent frequencies up to 22.05 kHz, the Nyquist frequency of the 44.1 kHz sample rate.
The bit rate is 1411.2 kbit/s:
2 channels x 44,100 samples per second per channel × 16 bits per sample = 1,411,200 bit/s = 1,411.2 kbit/s.
As each sample is a signed 16-bit two's complement integer, sample values range from -32768 to +32767.
On the disc, the data is stored in sectors of 2352 bytes each, read at 75 sectors per second. Onto this the overhead of EFM, CIRC, L2 ECC, and so on, is added, but these are not typically exposed to the application reading the disc.
By comparison, the bit rate of a "1x" data CD is defined as 2048 bytes per sector × 75 sectors per second = 150 KiB/s, or approximately 9.2 million bytes per minute."
"From a purely technical standpoint, the audio resolution of a DVD-Audio disc can be substantially higher than standard red book CD audio. DVD-Audio supports bit depths up to 24-bit and sample rates up to 192 kHz, while CD audio is 16-bit, 44.1 kHz. In both cases, the source recording may have been made at a much higher bit and sample rate, and down-converted for commercial release.
It is uncertain whether average listeners can hear the difference between DVD-Audio and CD-Audio, and many consumers do not regard any supposed quality improvements offered as sufficient reason to justify purchasing new playback equipment and repurchasing albums in higher-resolution formats. Many DVD-Audio releases are older, standard definition audio recordings that have been remixed in 5.1 and upsampled to DVD-Audio's higher resolution. However, the fidelity of the upsampled audio will be limited by the source material quality and may not exceed the quality of existing CD releases of the same albums. When new recordings are made using high-resolution PCM encoding, a substantial difference in fidelity can be achieved."