FIR Filter implementierrt
This commit is contained in:
seyffejn
parent
aa13d8128f
commit
0894325737
63
TinnitusAnalyse/.idea/workspace.xml
generated
63
TinnitusAnalyse/.idea/workspace.xml
generated
@ -2,13 +2,10 @@
|
||||
<project version="4">
|
||||
<component name="ChangeListManager">
|
||||
<list default="true" id="5b3f2136-e422-4072-84be-e86e40fa2d55" name="Default Changelist" comment="">
|
||||
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/BeispielMusikDateien/whitenoise.wav" beforeDir="false" afterPath="$PROJECT_DIR$/BeispielMusikDateien/whitenoise.wav" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/MyTinnitusFreeSong.wav" beforeDir="false" afterPath="$PROJECT_DIR$/MyTinnitusFreeSong.wav" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/Projektbericht/~$ojektbericht.docx" beforeDir="false" afterPath="$PROJECT_DIR$/Projektbericht/~$ojektbericht.docx" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/Projektbericht/~WRL0004.tmp" beforeDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/SoundGenerator.py" beforeDir="false" afterPath="$PROJECT_DIR$/SoundGenerator.py" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/TinnitusAnalyse_GUI.py" beforeDir="false" afterPath="$PROJECT_DIR$/TinnitusAnalyse_GUI.py" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/TinnitusDaten.csv" beforeDir="false" afterPath="$PROJECT_DIR$/TinnitusDaten.csv" afterDir="false" />
|
||||
</list>
|
||||
<ignored path="$PROJECT_DIR$/venv/" />
|
||||
<option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
|
||||
@ -22,8 +19,8 @@
|
||||
<file pinned="false" current-in-tab="true">
|
||||
<entry file="file://$PROJECT_DIR$/TinnitusAnalyse_GUI.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="82">
|
||||
<caret line="231" column="64" selection-start-line="231" selection-start-column="64" selection-end-line="231" selection-end-column="64" />
|
||||
<state relative-caret-position="377">
|
||||
<caret line="220" column="36" lean-forward="true" selection-start-line="220" selection-start-column="36" selection-end-line="220" selection-end-column="36" />
|
||||
<folding>
|
||||
<element signature="e#0#30#0" expanded="true" />
|
||||
</folding>
|
||||
@ -34,17 +31,26 @@
|
||||
<file pinned="false" current-in-tab="false">
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/site-packages/scipy/signal/fir_filter_design.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="6562">
|
||||
<state relative-caret-position="594">
|
||||
<caret line="399" selection-start-line="399" selection-end-line="399" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
</file>
|
||||
<file pinned="false" current-in-tab="false">
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/threading.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="217">
|
||||
<caret line="913" selection-start-line="913" selection-end-line="913" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
</file>
|
||||
<file pinned="false" current-in-tab="false">
|
||||
<entry file="file://$PROJECT_DIR$/SoundGenerator.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="275">
|
||||
<caret line="382" column="34" selection-start-line="376" selection-start-column="8" selection-end-line="392" selection-end-column="18" />
|
||||
<state relative-caret-position="674">
|
||||
<caret line="308" column="30" lean-forward="true" selection-start-line="308" selection-start-column="30" selection-end-line="308" selection-end-column="30" />
|
||||
<folding>
|
||||
<element signature="e#0#42#0" expanded="true" />
|
||||
</folding>
|
||||
@ -55,7 +61,7 @@
|
||||
<file pinned="false" current-in-tab="false">
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/site-packages/scipy/signal/signaltools.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="-636">
|
||||
<state relative-caret-position="28492">
|
||||
<caret line="1694" column="4" selection-start-line="1694" selection-start-column="4" selection-end-line="1694" selection-end-column="4" />
|
||||
</state>
|
||||
</provider>
|
||||
@ -94,12 +100,14 @@
|
||||
<find>StringVar</find>
|
||||
<find>Speichern</find>
|
||||
<find>csv</find>
|
||||
<find>order</find>
|
||||
<find>musikTest</find>
|
||||
<find>Daten er</find>
|
||||
<find>samples</find>
|
||||
<find>feedback</find>
|
||||
<find>framerate</find>
|
||||
<find>sample</find>
|
||||
<find>samplerate</find>
|
||||
<find>order</find>
|
||||
<find>feedback</find>
|
||||
</findStrings>
|
||||
<dirStrings>
|
||||
<dir>C:\Users\Julian\PycharmProjects\TinnitusAnalyse</dir>
|
||||
@ -111,12 +119,12 @@
|
||||
<component name="IdeDocumentHistory">
|
||||
<option name="CHANGED_PATHS">
|
||||
<list>
|
||||
<option value="$PROJECT_DIR$/TinnitusAnalyse_GUI.py" />
|
||||
<option value="$PROJECT_DIR$/SoundGenerator.py" />
|
||||
<option value="$PROJECT_DIR$/TinnitusAnalyse_GUI.py" />
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
<component name="ProjectFrameBounds" extendedState="7">
|
||||
<component name="ProjectFrameBounds" extendedState="6">
|
||||
<option name="x" value="313" />
|
||||
<option name="y" value="-25" />
|
||||
<option name="width" value="1294" />
|
||||
@ -284,7 +292,7 @@
|
||||
<servers />
|
||||
</component>
|
||||
<component name="ToolWindowManager">
|
||||
<frame x="-8" y="-8" width="2576" height="1416" extended-state="7" />
|
||||
<frame x="-8" y="-8" width="2576" height="1416" extended-state="6" />
|
||||
<editor active="true" />
|
||||
<layout>
|
||||
<window_info content_ui="combo" id="Project" order="0" weight="0.25" />
|
||||
@ -292,7 +300,7 @@
|
||||
<window_info id="Favorites" order="2" side_tool="true" />
|
||||
<window_info anchor="bottom" id="Message" order="0" />
|
||||
<window_info anchor="bottom" id="Find" order="1" />
|
||||
<window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.4731099" />
|
||||
<window_info active="true" anchor="bottom" id="Run" order="2" visible="true" weight="0.2182385" />
|
||||
<window_info anchor="bottom" id="Debug" order="3" weight="0.3998441" />
|
||||
<window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
|
||||
<window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
|
||||
@ -357,24 +365,31 @@
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/site-packages/scipy/signal/signaltools.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="28492">
|
||||
<caret line="1694" column="4" selection-start-line="1694" selection-start-column="4" selection-end-line="1694" selection-end-column="4" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/site-packages/scipy/signal/fir_filter_design.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="6562">
|
||||
<state relative-caret-position="594">
|
||||
<caret line="399" selection-start-line="399" selection-end-line="399" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/site-packages/scipy/signal/signaltools.py">
|
||||
<entry file="file://$USER_HOME$/AppData/Local/Programs/Python/Python35/Lib/threading.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="-636">
|
||||
<caret line="1694" column="4" selection-start-line="1694" selection-start-column="4" selection-end-line="1694" selection-end-column="4" />
|
||||
<state relative-caret-position="217">
|
||||
<caret line="913" selection-start-line="913" selection-end-line="913" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/SoundGenerator.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="275">
|
||||
<caret line="382" column="34" selection-start-line="376" selection-start-column="8" selection-end-line="392" selection-end-column="18" />
|
||||
<state relative-caret-position="674">
|
||||
<caret line="308" column="30" lean-forward="true" selection-start-line="308" selection-start-column="30" selection-end-line="308" selection-end-column="30" />
|
||||
<folding>
|
||||
<element signature="e#0#42#0" expanded="true" />
|
||||
</folding>
|
||||
@ -383,8 +398,8 @@
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/TinnitusAnalyse_GUI.py">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="82">
|
||||
<caret line="231" column="64" selection-start-line="231" selection-start-column="64" selection-end-line="231" selection-end-column="64" />
|
||||
<state relative-caret-position="377">
|
||||
<caret line="220" column="36" lean-forward="true" selection-start-line="220" selection-start-column="36" selection-end-line="220" selection-end-column="36" />
|
||||
<folding>
|
||||
<element signature="e#0#30#0" expanded="true" />
|
||||
</folding>
|
||||
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -232,42 +232,35 @@ class Sound:
|
||||
rl = float(rl[1])
|
||||
|
||||
# -------- 2. Die digitalen Filter erstellen und die Tinnitus Frequenz aus der Audiodatei "herausschneiden------
|
||||
self.filterfortschritt = 2, 0 # der zweite schritt
|
||||
self.filterfortschritt = 2, 0 # der zweite schritt im Feedback
|
||||
start_time = time.time() # einen Timer laufen lassen um zu sehen wie lange Filterung dauert
|
||||
|
||||
self.music_data = self.music_data/32767 # convert array from int16 to float
|
||||
""" OLD IIR Notch Filter 2nd Order----------------------------------------------------------------------
|
||||
w0 = float(lf / (self.music_samplerate / 2)) # Frequency to remove from a signal. If fs is specified, this is
|
||||
in the same units as fs. By default, it is a normalized scalar that must satisfy 0 < w0 < 1, with w0 = 1
|
||||
corresponding to half of the sampling frequency.
|
||||
Q = 30.0 # Quality factor. Dimensionless parameter that characterizes notch filter -3 dB bandwidth bw relative
|
||||
to its center frequency, Q = w0/bw.
|
||||
b, a = signal.iirnotch(lf, Q, fs=self.music_samplerate)
|
||||
----------------------------------------------------------------------------------------------------------------
|
||||
"""
|
||||
self.music_data = self.music_data/32767 # convert array from int16 to float
|
||||
|
||||
""" New IIR Notch Filter 5th order--------------------------------------------------------------------------"""
|
||||
# ------------------------------------------LEFT EAR FILTERING-------------------------------------------------
|
||||
# Filterparameter festlegen------------
|
||||
order = 5 # Filterordnung
|
||||
bandwidth = 175 # Bandbreite des Sperrbereichs in Hz
|
||||
order = 501 # Filterordnung
|
||||
bandwidth = 1000 # Bandbreite des Sperrbereichs in Hz
|
||||
#stop_attenuation = 100 # minimum Attenuation (Damping, Reduction) in stop Band [only for elliptic filter necessary]
|
||||
cutoff_frequencies = [(lf - (bandwidth / 2)),(lf + (bandwidth / 2))] # the cutoff frequencies (lower and upper)
|
||||
cutoff_frequencies = [(lf - (bandwidth / 2)), (lf + (bandwidth / 2))] # the cutoff frequencies (lower and upper)
|
||||
max_ripple_passband = 50 # Maximal erlaubte Welligkeit im Passbereich
|
||||
# -------------------------------------
|
||||
|
||||
if ll != 0.0: # nur wenn die Lautstärke des linken Tinnitus ungleich 0 ist, wird auf diesem Ohr auch gefiltert
|
||||
b, a = signal.iirfilter(order, cutoff_frequencies, rp=max_ripple_passband, btype='bandstop', ftype='butter',
|
||||
fs=self.music_samplerate) # Diese Funktion erstellt den IIR-Bandpassfilter (links)
|
||||
|
||||
music_links = signal.lfilter(b, a, self.music_data[:, 0]) # diese Funktion wendet den Filter an
|
||||
# b, a = signal.iirfilter(order, cutoff_frequencies, rp=max_ripple_passband, btype='bandstop', ftype='butter',
|
||||
# fs=self.music_samplerate) # Diese Funktion erstellt den IIR-Bandpassfilter (links)
|
||||
#
|
||||
# music_links = signal.lfilter(b, a, self.music_data[:, 0]) # diese Funktion wendet den Filter an
|
||||
#
|
||||
# print("b=", b)
|
||||
# print("a=", a)
|
||||
|
||||
# FIR Filterversuch
|
||||
# b = signal.firwin(order, cutoff_frequencies, pass_zero="bandstop", fs=self.music_samplerate, width=bandwidth,
|
||||
# window="hamming")
|
||||
#
|
||||
# music_links = signal.lfilter(b, [1.0], self.music_data[:, 0])
|
||||
|
||||
#h = signal.firwin(order, cutoff_frequencies, pass_zero="bandstop", fs=self.music_samplerate, width=bandwidth,
|
||||
# window="hamming")
|
||||
h = signal.firwin(order, [cutoff_frequencies[0], cutoff_frequencies[1]], fs=self.music_samplerate)
|
||||
print("h= ", h)
|
||||
music_links = signal.lfilter(h, 1.0, self.music_data[:, 0])
|
||||
|
||||
else:
|
||||
music_links = self.music_data[:, 0] # ungefiltert, wenn kein Tinnitus angegeben wurde
|
||||
@ -277,16 +270,16 @@ class Sound:
|
||||
cutoff_frequencies = [(rf - (bandwidth / 2)), (
|
||||
rf + (bandwidth / 2))] # change the cutoff frequencies to the tinnitus of the RIGHT EAR
|
||||
|
||||
b, a = signal.iirfilter(order, cutoff_frequencies, rp=max_ripple_passband, btype='bandstop', ftype='butter',
|
||||
fs=self.music_samplerate) # Diese Funktion erstellt den IIR-Bandpassfilter (rechts)
|
||||
|
||||
music_rechts = signal.lfilter(b, a, self.music_data[:, 1]) # rechts
|
||||
# h = signal.iirfilter(order, cutoff_frequencies, rp=max_ripple_passband, btype='bandstop', ftype='butter',
|
||||
# fs=self.music_samplerate) # Diese Funktion erstellt den IIR-Bandpassfilter (rechts)
|
||||
#
|
||||
# music_rechts = signal.lfilter(b, a, self.music_data[:, 1]) # rechts
|
||||
|
||||
# FIR Filterversuch
|
||||
# b = signal.firwin(order, cutoff_frequencies, pass_zero="bandstop", fs=self.music_samplerate, width=bandwidth,
|
||||
# window="hamming")
|
||||
#
|
||||
# music_rechts = signal.lfilter(b, [1.0], self.music_data[:, 1])
|
||||
print("UG Freq = ", cutoff_frequencies[0]/(self.music_samplerate/2))
|
||||
h = signal.firwin(order, [cutoff_frequencies[0], cutoff_frequencies[1]], fs=self.music_samplerate)
|
||||
|
||||
music_rechts = signal.lfilter(h, [1.0], self.music_data[:, 1])
|
||||
else:
|
||||
music_rechts = self.music_data[:, 1] # diese Funktion filtert die Audiodaten(die Tinnitusfreq wird entfernt)
|
||||
|
||||
@ -310,9 +303,9 @@ class Sound:
|
||||
# self.filterfortschritt = 3, round(fortschritt, 1)
|
||||
# print(" max: ", self.filterfortschritt[1], "%")
|
||||
|
||||
fortschritt += 10
|
||||
self.filterfortschritt = 3, round(fortschritt, 1)
|
||||
print(" max: ", self.filterfortschritt[1], "%")
|
||||
fortschritt += 10
|
||||
end_time = time.time()
|
||||
print("Zeitaufwand Maxima-Suche: ", end_time - start_time)
|
||||
|
||||
@ -375,19 +368,19 @@ class Sound:
|
||||
print("Speichern beendet.")
|
||||
self.filterfortschritt = 5, 0 #Nach erfolgreichem Filtern Fortschritt zur Bestätigung auf 5 setzen
|
||||
# Plot (hilfreich für Filterentwurf)
|
||||
freq, h = signal.freqz(b, a, fs=self.music_samplerate)
|
||||
fig, ax = plt.subplots(2, 1, figsize=(8, 6))
|
||||
ax[0].plot(freq, 20 * np.log10(abs(h)), color='blue')
|
||||
ax[0].set_title("Frequency Response")
|
||||
ax[0].set_ylabel("Amplitude (dB)", color='blue')
|
||||
ax[0].set_xlim([0, 10000])
|
||||
ax[0].set_ylim([-120, 10])
|
||||
ax[0].grid()
|
||||
ax[1].plot(freq, np.unwrap(np.angle(h)) * 180 / np.pi, color='green')
|
||||
ax[1].set_ylabel("Angle (degrees)", color='green')
|
||||
ax[1].set_xlabel("Frequency (Hz)")
|
||||
ax[1].set_xlim([0, 10000])
|
||||
ax[1].set_yticks([-90, -60, -30, 0, 30, 60, 90])
|
||||
ax[1].set_ylim([-90, 90])
|
||||
ax[1].grid()
|
||||
plt.show()
|
||||
# freq, h = signal.freqz(b, a, fs=self.music_samplerate)
|
||||
# fig, ax = plt.subplots(2, 1, figsize=(8, 6))
|
||||
# ax[0].plot(freq, 20 * np.log10(abs(h)), color='blue')
|
||||
# ax[0].set_title("Frequency Response")
|
||||
# ax[0].set_ylabel("Amplitude (dB)", color='blue')
|
||||
# ax[0].set_xlim([0, 10000])
|
||||
# ax[0].set_ylim([-120, 10])
|
||||
# ax[0].grid()
|
||||
# ax[1].plot(freq, np.unwrap(np.angle(h)) * 180 / np.pi, color='green')
|
||||
# ax[1].set_ylabel("Angle (degrees)", color='green')
|
||||
# ax[1].set_xlabel("Frequency (Hz)")
|
||||
# ax[1].set_xlim([0, 10000])
|
||||
# ax[1].set_yticks([-90, -60, -30, 0, 30, 60, 90])
|
||||
# ax[1].set_ylim([-90, 90])
|
||||
# ax[1].grid()
|
||||
# plt.show()
|
||||
|
||||
Binary file not shown.
Loading…
x
Reference in New Issue
Block a user