Lines Matching defs:sample
176 #define AMP_BITS 9 /* bits per sample, reduced to avoid overflow */
242 isdn_audio_linear2ulaw(int sample)
268 /* Get the sample into sign-magnitude. */
269 sign = (sample >> 8) & 0x80; /* set aside the sign */
271 sample = -sample; /* get magnitude */
272 if (sample > CLIP)
273 sample = CLIP; /* clip the magnitude */
276 sample = sample + BIAS;
277 exponent = exp_lut[(sample >> 7) & 0xFF];
278 mantissa = (sample >> (exponent + 3)) & 0x0F;
448 isdn_audio_goertzel(int *sample, modem_info *info)
469 sk = sample[n] + ((cos2pik[k] * sk1) >> 15) - sk2;