- Moved audio settings to its own activity.

- Added AEC Extented Filter audio setting.

app/src/main/AndroidManifest.xml

@@ -83,6 +83,12 @@
             android:label="@string/configuration"
             android:parentActivityName=".MainActivity" >
         </activity>
+        <activity
+            android:name=".AudioActivity"
+            android:configChanges="orientation|keyboardHidden|screenSize"
+            android:label="@string/audio"
+            android:parentActivityName=".ConfigActivity" >
+        </activity>
         <activity
             android:name=".CallsActivity"
             android:configChanges="orientation|keyboardHidden|screenSize"

app/src/main/assets/config

@@ -47,6 +47,7 @@ opus_inbandfec yes
 opus_application voip
 opus_stereo no
 opus_sprop_stereo no
+webrtc_aec_extended_filter yes
 ice_turn no
 ice_nomination regular
 zrtp_hash yes

app/src/main/kotlin/com/tutpro/baresip/AudioActivity.kt

@@ -0,0 +1,253 @@
+package com.tutpro.baresip
+
+import android.graphics.Color
+import androidx.appcompat.app.AppCompatActivity
+
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.Gravity
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import android.widget.*
+
+class AudioActivity : AppCompatActivity() {
+
+    internal lateinit var opusBitRate: EditText
+    internal lateinit var opusPacketLoss: EditText
+    internal lateinit var aec: CheckBox
+    internal lateinit var extentedFilter: CheckBox
+
+    private var save = false
+    private var reload = false
+    private var oldAudioModules = mutableMapOf<String, Boolean>()
+    private var oldOpusBitrate = ""
+    private var oldOpusPacketLoss = ""
+    private var oldAec = false
+    private var oldExtendedFilter = false
+    private val audioModules = listOf("opus", "amr", "ilbc", "g722", "g7221", "g726", "g711")
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_audio)
+
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
+
+        val audioModulesList = findViewById(R.id.AudioModulesList) as LinearLayout
+        var id = 1000
+        for (module in audioModules) {
+            val rl = RelativeLayout(this)
+            val rlParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,
+                    RelativeLayout.LayoutParams.WRAP_CONTENT)
+            rlParams.marginStart = 16
+            rl.layoutParams = rlParams
+            val tv = TextView(this)
+            tv.id = id++
+            val tvParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,
+                    RelativeLayout.LayoutParams.WRAP_CONTENT)
+            tvParams.addRule(RelativeLayout.ALIGN_PARENT_START)
+            tvParams.addRule(RelativeLayout.CENTER_VERTICAL)
+            tvParams.addRule(RelativeLayout.START_OF, id)
+            tv.layoutParams = tvParams
+            tv.text = "\u2022 $module"
+            tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18f)
+            tv.setTextColor(Color.BLACK)
+            rl.addView(tv)
+            val cb = CheckBox(this)
+            cb.id = id++
+            val cbParams = RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,
+                    RelativeLayout.LayoutParams.WRAP_CONTENT)
+            cbParams.addRule(RelativeLayout.ALIGN_PARENT_END)
+            cbParams.addRule(RelativeLayout.CENTER_VERTICAL)
+            cb.layoutParams = cbParams
+            cb.gravity = Gravity.END
+            cb.isChecked = Config.variable("module $module.so").size > 0
+            oldAudioModules.put(module, cb.isChecked)
+            rl.addView(cb)
+            audioModulesList.addView(rl)
+        }
+
+        opusBitRate = findViewById(R.id.OpusBitRate) as EditText
+        val obCv = Config.variable("opus_bitrate")
+        oldOpusBitrate = if (obCv.size == 0) "28000" else obCv[0]
+        opusBitRate.setText(oldOpusBitrate)
+
+        opusPacketLoss = findViewById(R.id.OpusPacketLoss) as EditText
+        val oplCv = Config.variable("opus_packet_loss")
+        oldOpusPacketLoss = if (oplCv.size == 0) "0" else oplCv[0]
+        opusPacketLoss.setText(oldOpusPacketLoss)
+
+        aec = findViewById(R.id.Aec) as CheckBox
+        val aecCv = Config.variable("module")
+        oldAec = aecCv.contains("webrtc_aec.so")
+        aec.isChecked = oldAec
+
+        extentedFilter = findViewById(R.id.ExtendedFilter) as CheckBox
+        oldExtendedFilter = Config.variable("webrtc_aec_extended_filter")[0] == "yes"
+        extentedFilter.isChecked = oldExtendedFilter
+
+        Utils.addActivity("audio")
+
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+
+        super.onCreateOptionsMenu(menu)
+        val inflater = menuInflater
+        inflater.inflate(R.menu.check_icon, menu)
+        return true
+
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+
+        if (BaresipService.activities.indexOf("audio") == -1)
+            return true
+
+        when (item.itemId) {
+
+            R.id.checkIcon -> {
+
+                var id = 1001
+                for (module in audioModules) {
+                    val box = findViewById<CheckBox>(id++)
+                    if (box.isChecked && !oldAudioModules[module]!!) {
+                        if (Api.module_load("$module.so") != 0) {
+                            Utils.alertView(this, getString(R.string.error),
+                                    "${getString(R.string.failed_to_load_module)}: $module.so")
+                            return false
+                        }
+                        Config.addLine("module $module.so")
+                        save = true
+                    }
+                    if (!box.isChecked && oldAudioModules[module]!!) {
+                        Api.module_unload("$module.so")
+                        Config.removeLine("module $module.so")
+                        for (ua in UserAgent.uas()) ua.account.removeAudioCodecs(module)
+                        AccountsActivity.saveAccounts()
+                        save = true
+                    }
+                    id++
+                }
+
+                val opusBitRate = opusBitRate.text.toString().trim()
+                if (opusBitRate != oldOpusBitrate) {
+                    if (!checkOpusBitRate(opusBitRate)) {
+                        Utils.alertView(this, getString(R.string.notice),
+                                "${getString(R.string.invalid_opus_bitrate)}: $opusBitRate.")
+                        return false
+                    }
+                    Config.removeVariable("opus_bitrate")
+                    Config.addLine("opus_bitrate $opusBitRate")
+                    reload = true
+                    save = true
+                }
+
+                val opusPacketLoss = opusPacketLoss.text.toString().trim()
+                if (opusPacketLoss != oldOpusPacketLoss) {
+                    if (!checkOpusPacketLoss(opusPacketLoss)) {
+                        Utils.alertView(this, getString(R.string.notice),
+                                "${getString(R.string.invalid_opus_packet_loss)}: $opusPacketLoss")
+                        return false
+                    }
+                    Config.removeVariable("opus_inbandfec")
+                    Config.removeVariable("opus_packet_loss")
+                    if (opusPacketLoss != "0") {
+                        Config.addLine("opus_inbandfec yes")
+                        Config.addLine("opus_packet_loss $opusPacketLoss")
+                    }
+                    reload = true
+                    save = true
+                }
+
+                if (aec.isChecked != oldAec) {
+                    Config.removeLine("module webrtc_aec.so")
+                    if (aec.isChecked) {
+                        Config.addLine("module webrtc_aec.so")
+                        if (Api.module_load("webrtc_aec.so") != 0) {
+                            Utils.alertView(this, getString(R.string.error),
+                                    getString(R.string.failed_to_load_module))
+                            aec.isChecked = false
+                            return false
+                        }
+                    } else {
+                        Api.module_unload("webrtc_aec.so")
+                    }
+                    save = true
+                }
+
+                if (extentedFilter.isChecked != oldExtendedFilter) {
+                    Config.removeVariable("webrtc_aec_extended_filter")
+                    if (extentedFilter.isChecked)
+                        Config.addLine("webrtc_aec_extended_filter yes")
+                    else
+                        Config.addLine("webrtc_aec_extended_filter no")
+                    reload = true
+                    save = true
+                }
+
+                if (save) Config.save()
+
+                if (reload) Api.reload_config()
+
+                BaresipService.activities.remove("audio")
+                finish()
+                return true
+            }
+
+            android.R.id.home -> {
+                onBackPressed()
+                return true
+            }
+
+        }
+
+        return super.onOptionsItemSelected(item)
+
+    }
+
+    override fun onBackPressed() {
+        BaresipService.activities.remove("audio")
+        finish()
+        super.onBackPressed()
+    }
+
+    fun onClick(v: View) {
+        when (v) {
+            findViewById(R.id.AudioModulesTitle) as TextView -> {
+                Utils.alertView(this, getString(R.string.audio_modules_title),
+                        getString(R.string.audio_modules_help))
+            }
+            findViewById(R.id.OpusBitRateTitle) as TextView-> {
+                Utils.alertView(this, getString(R.string.opus_bit_rate),
+                        getString(R.string.opus_bit_rate_help))
+            }
+            findViewById(R.id.OpusPacketLossTitle) as TextView-> {
+                Utils.alertView(this, getString(R.string.opus_packet_loss),
+                        getString(R.string.opus_packet_loss_help))
+            }
+            findViewById(R.id.AecTitle) as TextView-> {
+                Utils.alertView(this, getString(R.string.aec),
+                        getString(R.string.aec_help))
+            }
+            findViewById(R.id.ExtendedFilterTitle) as TextView-> {
+                Utils.alertView(this, getString(R.string.aec),
+                        getString(R.string.aec_extented_filter_help))
+            }
+        }
+    }
+
+    private fun checkOpusBitRate(opusBitRate: String): Boolean {
+        val number = opusBitRate.toIntOrNull()
+        if (number == null) return false
+        return (number >= 6000) && (number <= 510000)
+    }
+
+    private fun checkOpusPacketLoss(opusPacketLoss: String): Boolean {
+        val number = opusPacketLoss.toIntOrNull()
+        if (number == null) return false
+        return (number >= 0) && (number <= 100)
+    }
+
+}

app/src/main/kotlin/com/tutpro/baresip/Config.kt

@@ -47,6 +47,10 @@ object Config {
             config = "${config}opus_sprop_stereo no\n"
         }
 
+        if (!config.contains("webrtc_aec_extended_filter")) {
+            config = "${config}webrtc_aec_extended_filter yes\n"
+        }
+
         if (!config.contains("log_level")) {
             config = "${config}log_level 2\n"
             Log.logLevel = Log.LogLevel.WARN

app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt

@@ -22,9 +22,6 @@ class ConfigActivity : AppCompatActivity() {
     internal lateinit var dnsServers: EditText
     internal lateinit var certificateFile: CheckBox
     internal lateinit var caFile: CheckBox
-    internal lateinit var aec: CheckBox
-    internal lateinit var opusBitRate: EditText
-    internal lateinit var opusPacketLoss: EditText
     internal lateinit var debug: CheckBox
     internal lateinit var reset: CheckBox
 
@@ -33,15 +30,10 @@ class ConfigActivity : AppCompatActivity() {
     private var oldDnsServers = ""
     private var oldCertificateFile = false
     private var oldCAFile = false
-    private var oldAudioModules = mutableMapOf<String, Boolean>()
-    private var oldAec = false
-    private var oldOpusBitrate = ""
-    private var oldOpusPacketLoss = ""
     private var oldLogLevel = ""
     private var callVolume = BaresipService.callVolume
     private var save = false
     private var restart = false
-    private val audioModules = listOf("opus", "amr", "ilbc", "g722", "g7221", "g726", "g711")
     private var menu: Menu? = null
 
     private val READ_CERT_PERMISSION_CODE = 1
@@ -84,52 +76,6 @@ class ConfigActivity : AppCompatActivity() {
         oldCAFile = Config.variable("sip_cafile").isNotEmpty()
         caFile.isChecked = oldCAFile
 
-        val audioModulesList = findViewById(R.id.AudioModulesList) as LinearLayout
-        var id = 1000
-        for (module in audioModules) {
-            val rl = RelativeLayout(this)
-            val rlParams = LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)
-            rlParams.marginStart = 16
-            rl.layoutParams = rlParams
-            val tv = TextView(this)
-            tv.id = id++
-            val tvParams = LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)
-            tvParams.addRule(RelativeLayout.ALIGN_PARENT_START)
-            tvParams.addRule(RelativeLayout.CENTER_VERTICAL)
-            tvParams.addRule(RelativeLayout.START_OF, id)
-            tv.layoutParams = tvParams
-            tv.text = "\u2022 $module"
-            tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18f)
-            tv.setTextColor(Color.BLACK)
-            rl.addView(tv)
-            val cb = CheckBox(this)
-            cb.id = id++
-            val cbParams = LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)
-            cbParams.addRule(RelativeLayout.ALIGN_PARENT_END)
-            cbParams.addRule(RelativeLayout.CENTER_VERTICAL)
-            cb.layoutParams = cbParams
-            cb.gravity = Gravity.END
-            cb.isChecked = Config.variable("module $module.so").size > 0
-            oldAudioModules.put(module, cb.isChecked)
-            rl.addView(cb)
-            audioModulesList.addView(rl)
-        }
-
-        aec = findViewById(R.id.Aec) as CheckBox
-        val aecCv = Config.variable("module")
-        oldAec = aecCv.contains("webrtc_aec.so")
-        aec.isChecked = oldAec
-
-        opusBitRate = findViewById(R.id.OpusBitRate) as EditText
-        val obCv = Config.variable("opus_bitrate")
-        oldOpusBitrate = if (obCv.size == 0) "28000" else obCv[0]
-        opusBitRate.setText(oldOpusBitrate)
-
-        opusPacketLoss = findViewById(R.id.OpusPacketLoss) as EditText
-        val oplCv = Config.variable("opus_packet_loss")
-        oldOpusPacketLoss = if (oplCv.size == 0) "0" else oplCv[0]
-        opusPacketLoss.setText(oldOpusPacketLoss)
-
         val callVolSpinner = findViewById(R.id.VolumeSpinner) as Spinner
         val volKeys = arrayListOf("None", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10")
         val volVals = arrayListOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
@@ -280,73 +226,6 @@ class ConfigActivity : AppCompatActivity() {
                     restart = true
                 }
 
-                var id = 1001
-                for (module in audioModules) {
-                    val box = findViewById<CheckBox>(id++)
-                    if (box.isChecked && !oldAudioModules[module]!!) {
-                        if (Api.module_load("$module.so") != 0) {
-                            Utils.alertView(this, getString(R.string.error),
-                                    "${getString(R.string.failed_to_load_module)}: $module.so")
-                            return false
-                        }
-                        Config.addLine("module $module.so")
-                        save = true
-                    }
-                    if (!box.isChecked && oldAudioModules[module]!!) {
-                        Api.module_unload("$module.so")
-                        Config.removeLine("module $module.so")
-                        for (ua in UserAgent.uas()) ua.account.removeAudioCodecs(module)
-                        AccountsActivity.saveAccounts()
-                        save = true
-                    }
-                    id++
-                }
-
-                if (aec.isChecked != oldAec) {
-                    Config.removeLine("module webrtc_aec.so")
-                    if (aec.isChecked) {
-                        Config.addLine("module webrtc_aec.so")
-                        if (Api.module_load("webrtc_aec.so") != 0) {
-                            Utils.alertView(this, getString(R.string.error),
-                                    getString(R.string.failed_to_load_module))
-                            aec.isChecked = false
-                            return false
-                        }
-                    } else {
-                        Api.module_unload("webrtc_aec.so")
-                    }
-                    save = true
-                }
-
-                val opusBitRate = opusBitRate.text.toString().trim()
-                if (opusBitRate != oldOpusBitrate) {
-                    if (!checkOpusBitRate(opusBitRate)) {
-                        Utils.alertView(this, getString(R.string.notice),
-                                "${getString(R.string.invalid_opus_bitrate)}: $opusBitRate.")
-                        return false
-                    }
-                    Config.removeVariable("opus_bitrate")
-                    Config.addLine("opus_bitrate $opusBitRate")
-                    save = true
-                    restart = true
-                }
-
-                val opusPacketLoss = opusPacketLoss.text.toString().trim()
-                if (opusPacketLoss != oldOpusPacketLoss) {
-                    if (!checkOpusPacketLoss(opusPacketLoss)) {
-                        Utils.alertView(this, getString(R.string.notice),
-                                "${getString(R.string.invalid_opus_packet_loss)}: $opusPacketLoss")
-                        return false
-                    }
-                    Config.removeVariable("opus_inbandfec")
-                    Config.removeVariable("opus_packet_loss")
-                    if (opusPacketLoss != "0") {
-                        Config.addLine("opus_inbandfec yes")
-                        Config.addLine("opus_packet_loss $opusPacketLoss")
-                    }
-                    save = true
-                    restart = true
-                }
 
                 if (BaresipService.callVolume != callVolume) {
                     BaresipService.callVolume = callVolume
@@ -447,21 +326,9 @@ class ConfigActivity : AppCompatActivity() {
                 Utils.alertView(this, getString(R.string.tls_ca_file),
                         getString(R.string.tls_ca_file_help))
             }
-            findViewById(R.id.AudioModulesTitle) as TextView -> {
+            findViewById(R.id.AudioTitle) as TextView -> {
-                Utils.alertView(this, getString(R.string.audio_modules_title),
+                val i = Intent(this, AudioActivity::class.java)
-                        getString(R.string.audio_modules_help))
+                startActivity(i)
-            }
-            findViewById(R.id.AecTitle) as TextView-> {
-                Utils.alertView(this, getString(R.string.aec),
-                        getString(R.string.aec_help))
-            }
-            findViewById(R.id.OpusBitRateTitle) as TextView-> {
-                Utils.alertView(this, getString(R.string.opus_bit_rate),
-                        getString(R.string.opus_bit_rate_help))
-            }
-            findViewById(R.id.OpusPacketLossTitle) as TextView-> {
-                Utils.alertView(this, getString(R.string.opus_packet_loss),
-                        getString(R.string.opus_packet_loss_help))
             }
             findViewById(R.id.VolumeTitle) as TextView-> {
                 Utils.alertView(this, getString(R.string.default_call_volume),
@@ -484,18 +351,6 @@ class ConfigActivity : AppCompatActivity() {
         return true
     }
 
-    private fun checkOpusBitRate(opusBitRate: String): Boolean {
-        val number = opusBitRate.toIntOrNull()
-        if (number == null) return false
-        return (number >= 6000) && (number <= 510000)
-    }
-
-    private fun checkOpusPacketLoss(opusPacketLoss: String): Boolean {
-        val number = opusPacketLoss.toIntOrNull()
-        if (number == null) return false
-        return (number >= 0) && (number <= 100)
-    }
-
     private fun addMissingPorts(addressList: String): String {
         if (addressList == "") return ""
         var result = ""

app/src/main/res/layout/activity_config.xml

@@ -140,117 +140,17 @@
             </CheckBox>
         </RelativeLayout>
 
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="12dp"
-            android:orientation="vertical" >
         <TextView
-                android:id="@+id/AudioModulesTitle"
+            android:id="@+id/AudioTitle"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
+            android:layout_marginBottom="16dp"
             android:textSize="18sp"
+            android:textStyle="bold"
             android:textColor="@android:color/black"
             android:onClick="onClick"
-                android:text="@string/audio_modules_title" >
+            android:text="@string/audio" >
         </TextView>
-            <LinearLayout
-                android:id="@+id/AudioModulesList"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:layout_marginTop="24dp"
-                android:orientation="vertical" >
-            </LinearLayout>
-        </RelativeLayout>
-
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="12dp" >
-            <TextView
-                android:id="@+id/AecTitle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentStart="true"
-                android:layout_centerVertical="true"
-                android:layout_toStartOf="@id/Aec"
-                android:textSize="18sp"
-                android:textColor="@android:color/black"
-                android:onClick="onClick"
-                android:text="@string/aec" >
-            </TextView>
-            <CheckBox
-                android:id="@+id/Aec"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentEnd="true"
-                android:layout_centerVertical="true"
-                android:layout_gravity="end"
-                android:checked="false" >
-            </CheckBox>
-        </RelativeLayout>
-
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="0dp"
-            android:orientation="horizontal" >
-            <TextView
-                android:id="@+id/OpusBitRateTitle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentStart="true"
-                android:layout_centerVertical="true"
-                android:textSize="18sp"
-                android:textColor="@android:color/black"
-                android:onClick="onClick"
-                android:text="@string/opus_bit_rate" >
-            </TextView>
-            <EditText
-                android:id="@+id/OpusBitRate"
-                android:layout_height="wrap_content"
-                android:layout_width="fill_parent"
-                android:layout_centerVertical="true"
-                android:layout_toEndOf="@+id/OpusBitRateTitle"
-                android:layout_marginStart="10dp"
-                android:textSize="18sp"
-                android:scrollHorizontally="true"
-                android:inputType="numberDecimal"
-                android:hint="@string/_28000"
-                android:importantForAutofill="no" >
-            </EditText>
-        </RelativeLayout>
-
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="12dp"
-            android:orientation="horizontal" >
-            <TextView
-                android:id="@+id/OpusPacketLossTitle"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_alignParentStart="true"
-                android:layout_centerVertical="true"
-                android:textSize="18sp"
-                android:textColor="@android:color/black"
-                android:onClick="onClick"
-                android:text="@string/opus_packet_loss" >
-            </TextView>
-            <EditText
-                android:id="@+id/OpusPacketLoss"
-                android:layout_height="wrap_content"
-                android:layout_width="fill_parent"
-                android:layout_centerVertical="true"
-                android:layout_toEndOf="@+id/OpusPacketLossTitle"
-                android:layout_marginStart="10dp"
-                android:textSize="18sp"
-                android:scrollHorizontally="true"
-                android:inputType="numberDecimal"
-                android:hint="@string/_0"
-                android:importantForAutofill="no" >
-            </EditText>
-        </RelativeLayout>
 
         <RelativeLayout
             android:layout_width="wrap_content"

app/src/main/res/values-fi/strings.xml

@@ -230,13 +230,18 @@
         TLS-varmenninauktoriteettien julkiset varmentimen, on joko jo ladattu tai tullaan lataamaan
         Download-hakemistosta.
     </string>
+    <string name="audio">Audio</string>
     <string name="audio_modules_title">Audio-modulit</string>
     <string name="audio_modules_help">Merkittyjen modulien tarjoamat audio-koodekit ovat tilien
         käytettävissä.
     </string>
     <string name="failed_to_load_module">Modulin lataaminen epäonnistui.</string>
-    <string name="aec">Akustinen kaiun poisto</string>
+    <string name="aec">Akustinen kaiun poisto (AKP)</string>
     <string name="aec_help">Jos merkitty, kaikua yritetään poistaa puheluiden aikana.</string>
+    <string name="aec_extented_filter">AKP laajennettu suodatin</string>
+    <string name="aec_extented_filter_help">Jos merkitty, kaiun poistossa käytetään laajennettua
+        suodatinta.
+    </string>
     <string name="opus_bit_rate">Opus-koodekin bittinopeus</string>
     <string name="opus_bit_rate_help">Opus-koodekin käyttämä
     keskimääräinen enimmäisnopeus. Mahdollisia arvoja ovat

app/src/main/res/values/strings.xml

@@ -200,12 +200,15 @@
     <string name="tls_ca_file">TLS CA File</string>
     <string name="tls_ca_file_help">If checked, file \'ca_certs.crt\' containing TLS certificates
         of Certificate Authorities has been or will be loaded from Download directory.</string>
+    <string name="audio">Audio</string>
     <string name="audio_modules_title">Audio Modules</string>
     <string name="audio_modules_help">Audio codecs provided by the checked modules are
         available for use by the accounts.</string>
     <string name="failed_to_load_module">Failed to load module.</string>
     <string name="aec">Acoustic Echo Cancellation</string>
     <string name="aec_help">If checked, echo cancellation is attempted on call audio.</string>
+    <string name="aec_extented_filter">AEC Extented Filter</string>
+    <string name="aec_extented_filter_help">If checked, echo cancellation is using extended filter.</string>
     <string name="opus_bit_rate">Opus Bit Rate</string>
     <string name="opus_bit_rate_help">Average maximum bit rate used by Opus audio stream.
         Valid values are 6000-510000. Factory default is 28000.</string>