diff --git a/src/modules/module-echo-cancel.c b/src/modules/module-echo-cancel.c
index 38f3d3c10..11aae6dd8 100644
--- a/src/modules/module-echo-cancel.c
+++ b/src/modules/module-echo-cancel.c
@@ -177,10 +177,12 @@ struct impl {
 	struct pw_properties *capture_props;
 	struct pw_stream *capture;
 	struct spa_hook capture_listener;
+	struct spa_audio_info_raw capture_info;
 
 	struct pw_properties *source_props;
 	struct pw_stream *source;
 	struct spa_hook source_listener;
+	struct spa_audio_info_raw source_info;
 
 	void *rec_buffer[SPA_AUDIO_MAX_CHANNELS];
 	uint32_t rec_ringsize;
@@ -189,6 +191,7 @@ struct impl {
 	struct pw_properties *playback_props;
 	struct pw_stream *playback;
 	struct spa_hook playback_listener;
+	struct spa_audio_info_raw playback_info;
 
 	struct pw_properties *sink_props;
 	struct pw_stream *sink;
@@ -197,6 +200,7 @@ struct impl {
 	uint32_t play_ringsize;
 	struct spa_ringbuffer play_ring;
 	struct spa_ringbuffer play_delayed_ring;
+	struct spa_audio_info_raw sink_info;
 
 	void *out_buffer[SPA_AUDIO_MAX_CHANNELS];
 	uint32_t out_ringsize;
@@ -826,7 +830,7 @@ static int setup_streams(struct impl *impl)
 	spa_pod_dynamic_builder_init(&b, NULL, 0, 4096);
 
 	offsets[n_params++] = b.b.state.offset;
-	spa_format_audio_raw_build(&b.b, SPA_PARAM_EnumFormat, &impl->info);
+	spa_format_audio_raw_build(&b.b, SPA_PARAM_EnumFormat, &impl->capture_info);
 
 	int nbr_of_external_props = spa_audio_aec_enum_props(impl->aec, 0, NULL);
 	if (nbr_of_external_props > 0) {
@@ -837,9 +841,8 @@ static int setup_streams(struct impl *impl)
 		get_props_param(impl, &b.b);
 	}
 
-	for (i = 0; i < n_params; i++) {
+	for (i = 0; i < n_params; i++)
 		params[i] = spa_pod_builder_deref(&b.b, offsets[i]);
-	}
 
 	if ((res = pw_stream_connect(impl->capture,
 			PW_DIRECTION_INPUT,
@@ -852,6 +855,12 @@ static int setup_streams(struct impl *impl)
 		return res;
 	}
 
+	offsets[0] = b.b.state.offset;
+	spa_format_audio_raw_build(&b.b, SPA_PARAM_EnumFormat, &impl->source_info);
+
+	for (i = 0; i < n_params; i++)
+		params[i] = spa_pod_builder_deref(&b.b, offsets[i]);
+
 	if ((res = pw_stream_connect(impl->source,
 			PW_DIRECTION_OUTPUT,
 			PW_ID_ANY,
@@ -862,6 +871,12 @@ static int setup_streams(struct impl *impl)
 		return res;
 	}
 
+	offsets[0] = b.b.state.offset;
+	spa_format_audio_raw_build(&b.b, SPA_PARAM_EnumFormat, &impl->sink_info);
+
+	for (i = 0; i < n_params; i++)
+		params[i] = spa_pod_builder_deref(&b.b, offsets[i]);
+
 	if ((res = pw_stream_connect(impl->sink,
 			PW_DIRECTION_INPUT,
 			PW_ID_ANY,
@@ -873,6 +888,12 @@ static int setup_streams(struct impl *impl)
 		return res;
 	}
 
+	offsets[0] = b.b.state.offset;
+	spa_format_audio_raw_build(&b.b, SPA_PARAM_EnumFormat, &impl->playback_info);
+
+	for (i = 0; i < n_params; i++)
+		params[i] = spa_pod_builder_deref(&b.b, offsets[i]);
+
 	if (impl->playback != NULL && (res = pw_stream_connect(impl->playback,
 			PW_DIRECTION_OUTPUT,
 			PW_ID_ANY,
@@ -1104,6 +1125,11 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 
 	parse_audio_info(props, &impl->info);
 
+	impl->capture_info = impl->info;
+	impl->source_info = impl->info;
+	impl->sink_info = impl->info;
+	impl->playback_info = impl->info;
+
 	if ((str = pw_properties_get(props, "capture.props")) != NULL)
 		pw_properties_update_string(impl->capture_props, str, strlen(str));
 	if ((str = pw_properties_get(props, "source.props")) != NULL)
@@ -1257,6 +1283,24 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 	copy_props(impl, props, SPA_KEY_AUDIO_POSITION);
 	copy_props(impl, props, "resample.prefill");
 
+	if ((str = pw_properties_get(impl->capture_props, SPA_KEY_AUDIO_POSITION)) != NULL)
+		parse_position(&impl->capture_info, str, strlen(str));
+	if ((str = pw_properties_get(impl->source_props, SPA_KEY_AUDIO_POSITION)) != NULL)
+		parse_position(&impl->source_info, str, strlen(str));
+	if ((str = pw_properties_get(impl->sink_props, SPA_KEY_AUDIO_POSITION)) != NULL)
+		parse_position(&impl->sink_info, str, strlen(str));
+	if ((str = pw_properties_get(impl->playback_props, SPA_KEY_AUDIO_POSITION)) != NULL)
+		parse_position(&impl->playback_info, str, strlen(str));
+
+	if (impl->capture_info.channels != impl->info.channels)
+		impl->capture_info = impl->info;
+	if (impl->source_info.channels != impl->info.channels)
+		impl->source_info = impl->info;
+	if (impl->sink_info.channels != impl->info.channels)
+		impl->sink_info = impl->info;
+	if (impl->playback_info.channels != impl->info.channels)
+		impl->playback_info = impl->info;
+
 	impl->max_buffer_size = pw_properties_get_uint32(props,"buffer.max_size", MAX_BUFSIZE_MS);
 
 	if ((str = pw_properties_get(props, "buffer.play_delay")) != NULL) {