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Quisk version 4.2.32

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This commit is contained in:
James C. Ahlstrom
2024-04-25 16:28:42 -04:00
parent 814e4ce08c
commit 71146c9eaf
12 changed files with 110 additions and 35 deletions
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microphone.c
+7 -6
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@@ -372,7 +372,7 @@ static void process_alc(complex double * cSamples, int count, struct alc * pt, r
static int tx_filter(complex double * filtered, int count)
{ // Input samples are creal(filtered), output is filtered. The input rate must be 8000 or 48000 sps.
int i, is_ssb;
int i, is_ssb, mic_interp;
int sample_rate = 8000;
double dsample, dtmp, magn;
complex double csample;
@@ -423,9 +423,10 @@ static int tx_filter(complex double * filtered, int count)
}
return 0;
}
mic_interp = MIC_OUT_RATE / sample_rate;
// check size of dsamples[] and csamples[] buffer
if (count > samples_size) {
samples_size = count * 2;
samples_size = count * 2 * mic_interp;
if (dsamples)
free(dsamples);
if (csamples)
@@ -541,8 +542,8 @@ static int tx_filter(complex double * filtered, int count)
// remove clipping distortion
count = quisk_cDecimate(csamples, count, &cfiltAudio3, 1);
// Interpolate up to 48000
if (MIC_OUT_RATE != sample_rate)
count = quisk_cInterpolate(csamples, count, &cfiltInterp, MIC_OUT_RATE / sample_rate);
if (mic_interp != 1)
count = quisk_cInterpolate(csamples, count, &cfiltInterp, mic_interp);
// convert back to 16 bits
for (i = 0; i < count; i++) {
filtered[i] = csamples[i] * CLIP16;
@@ -573,8 +574,8 @@ static int tx_filter(complex double * filtered, int count)
// remove clipping distortion
count = quisk_dFilter(dsamples, count, &dfiltAudio3);
// Interpolate up to 48000
if (MIC_OUT_RATE != sample_rate)
count = quisk_dInterpolate(dsamples, count, &dfiltInterp, MIC_OUT_RATE / sample_rate);
if (mic_interp != 1)
count = quisk_dInterpolate(dsamples, count, &dfiltInterp, mic_interp);
// convert back to 16 bits
for (i = 0; i < count; i++) {
filtered[i] = dsamples[i] * CLIP16;