diff --git a/speech/.coveragerc b/speech/.coveragerc
index 6b9ab9da4a1b..b178b094aa1d 100644
--- a/speech/.coveragerc
+++ b/speech/.coveragerc
@@ -1,3 +1,4 @@
+# Generated by synthtool. DO NOT EDIT!
 [run]
 branch = True
 
diff --git a/speech/.flake8 b/speech/.flake8
index 61766fa84d02..0268ecc9c55c 100644
--- a/speech/.flake8
+++ b/speech/.flake8
@@ -1,3 +1,4 @@
+# Generated by synthtool. DO NOT EDIT!
 [flake8]
 ignore = E203, E266, E501, W503
 exclude =
diff --git a/speech/noxfile.py b/speech/noxfile.py
index 0f528b7f3902..f6257317fccd 100644
--- a/speech/noxfile.py
+++ b/speech/noxfile.py
@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Generated by synthtool. DO NOT EDIT!
+
 from __future__ import absolute_import
 import os
 import shutil
@@ -23,6 +25,12 @@
 
 LOCAL_DEPS = (os.path.join("..", "api_core"), os.path.join("..", "core"))
 
+BLACK_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
+
+if os.path.exists("samples"):
+    BLACK_PATHS.append("samples")
+
+
 @nox.session(python="3.7")
 def lint(session):
     """Run linters.
@@ -31,13 +39,7 @@ def lint(session):
     serious code quality issues.
     """
     session.install("flake8", "black", *LOCAL_DEPS)
-    session.run(
-        "black",
-        "--check",
-        "google",
-        "tests",
-        "docs",
-    )
+    session.run("black", "--check", *BLACK_PATHS)
     session.run("flake8", "google", "tests")
 
 
@@ -46,18 +48,13 @@ def blacken(session):
     """Run black.
 
     Format code to uniform standard.
-    
+
     This currently uses Python 3.6 due to the automated Kokoro run of synthtool.
     That run uses an image that doesn't have 3.6 installed. Before updating this
     check the state of the `gcp_ubuntu_config` we use for that Kokoro run.
     """
     session.install("black")
-    session.run(
-        "black",
-        "google",
-        "tests",
-        "docs",
-    )
+    session.run("black", *BLACK_PATHS)
 
 
 @nox.session(python="3.7")
@@ -83,7 +80,7 @@ def default(session):
         "--cov-append",
         "--cov-config=.coveragerc",
         "--cov-report=",
-        "--cov-fail-under=97",
+        "--cov-fail-under=0",
         os.path.join("tests", "unit"),
         *session.posargs,
     )
@@ -140,21 +137,24 @@ def cover(session):
 
     session.run("coverage", "erase")
 
+
 @nox.session(python="3.7")
 def docs(session):
     """Build the docs for this library."""
 
-    session.install('-e', '.')
-    session.install('sphinx', 'alabaster', 'recommonmark')
+    session.install("-e", ".")
+    session.install("sphinx", "alabaster", "recommonmark")
 
-    shutil.rmtree(os.path.join('docs', '_build'), ignore_errors=True)
+    shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
-        'sphinx-build',
-        '-W',  # warnings as errors
-        '-T',  # show full traceback on exception
-        '-N',  # no colors
-        '-b', 'html',
-        '-d', os.path.join('docs', '_build', 'doctrees', ''),
-        os.path.join('docs', ''),
-        os.path.join('docs', '_build', 'html', ''),
+        "sphinx-build",
+        "-W",  # warnings as errors
+        "-T",  # show full traceback on exception
+        "-N",  # no colors
+        "-b",
+        "html",
+        "-d",
+        os.path.join("docs", "_build", "doctrees", ""),
+        os.path.join("docs", ""),
+        os.path.join("docs", "_build", "html", ""),
     )
diff --git a/speech/setup.cfg b/speech/setup.cfg
index 2a9acf13daa9..3bd555500e37 100644
--- a/speech/setup.cfg
+++ b/speech/setup.cfg
@@ -1,2 +1,3 @@
+# Generated by synthtool. DO NOT EDIT!
 [bdist_wheel]
 universal = 1
diff --git a/speech/synth.metadata b/speech/synth.metadata
index c068d57a9875..19f6ed50982f 100644
--- a/speech/synth.metadata
+++ b/speech/synth.metadata
@@ -1,19 +1,19 @@
 {
-  "updateTime": "2019-06-19T16:01:34.389010Z",
+  "updateTime": "2019-06-20T12:28:53.726986Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.28.0",
-        "dockerImage": "googleapis/artman@sha256:6ced5a36b08b82a328c69844e629300d58c14067f25cadab47f52542bdef7daf"
+        "version": "0.29.0",
+        "dockerImage": "googleapis/artman@sha256:b79c8c20ee51e5302686c9d1294672d59290df1489be93749ef17d0172cc508d"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "ac13167e31a20314aa05cc9911c95df250880485",
-        "internalRef": "253867808"
+        "sha": "45e125f9e30dc5d45b52752b3ab78dd4f6084f2d",
+        "internalRef": "254026509"
       }
     },
     {